{"title":"Concrete Audio - Subwoofers","description":"\u003cp data-start=\"222\" data-end=\"543\"\u003eThe Concrete Audio Subwoofers collection is engineered for one purpose: authoritative low-end performance without compromise. Designed for builders who demand output, control, and durability, these subwoofers deliver deep, hard-hitting bass with the precision needed for both daily systems and high-output builds.\u003c\/p\u003e\n\u003cp data-start=\"545\" data-end=\"1065\"\u003eFeaturing high-strength motors, reinforced cones, and robust suspension designs, each subwoofer is built to handle serious power while maintaining tight, responsive bass. Whether you’re designing a compact enclosure or an all-out high-pressure system, Concrete Audio subwoofers provide the reliability and consistency required for clean installs and repeatable results. This lineup reflects Axis Innovative Designs’ commitment to performance-driven components that don’t just sound powerful — they stay powerful.\u003c\/p\u003e","products":[{"product_id":"10-subwoofer-400-w-rms-4-ohm","title":"10″ Subwoofer – 400 W RMS, 4 Ohm","description":"\u003cp\u003eThe C010S4V2 10″ Subwoofer from Concrete Audio features a black stamped steel basket with a hard paper cone and stitched foam surround, paired with a 2.5″ high-temp voice coil and two 50 oz high-grade magnets for dependable low-frequency performance. With a 4 ohm impedance and 400 W RMS power handling, this subwoofer delivers rich bass response with a standard 9″ cut-out and 5.75″ mounting depth — ideal for subwoofer cabinets, PA systems, car audio, and custom bass builds.\u003c\/p\u003e","brand":"Axis Innovative Designs","offers":[{"title":"Default Title","offer_id":43176981528635,"sku":"C010S4V2","price":163.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/1035\/3723\/files\/c010d4_1d2e744d-06da-454c-9336-afc872fcdf16.jpg?v=1769745127"},{"product_id":"10-subwoofer-400-w-rms-4-ohm-1","title":"10″ Subwoofer – 400 W RMS, 4 Ohm","description":"\u003cp\u003eThe C010D4 10″ Subwoofer from Concrete Audio features a 2.5″ high-temperature voice coil, 4 ohm nominal impedance, and a dual 50 oz high-grade ferrite magnet for dependable deep-bass performance. With 400 W RMS power handling and a 30 Hz–500 Hz frequency range, this subwoofer delivers impactful low-frequency output with strong authority and responsiveness — ideal for PA systems, subwoofer cabinets, car audio, and custom bass builds. Standard mounting dimensions include a 9″ cut-out and 5.75″ mounting depth, making it versatile for various enclosure designs.\u003c\/p\u003e","brand":"Axis Innovative Designs","offers":[{"title":"Default Title","offer_id":43176987131963,"sku":"C010D4","price":163.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/1035\/3723\/files\/c010d4_c0ee952f-5d2f-4aa0-9522-a1e092c13837.jpg?v=1769745396"},{"product_id":"12-subwoofer-400-w-rms-dual-4-ohm","title":"12″ Subwoofer – 400 W RMS, Dual 4 Ohm","description":"\u003cp\u003eThe C012D4 12″ Subwoofer from Concrete Audio features a black finished stamped steel basket, hard paper cone with stitched foam surround, and a 2.5″ high-temperature voice coil paired with dual 50 oz high-grade magnets for dependable low-frequency performance. Rated at 400 W RMS with a dual 4 ohm impedance and a cut-out size of 11″ and 6 3\/8″ mounting depth, this subwoofer is a solid choice for PA systems, sub bass enclosures, and custom audio builds where impactful bass response is needed.\u003c\/p\u003e","brand":"Axis Innovative Designs","offers":[{"title":"Default Title","offer_id":43176994766907,"sku":"C012D4","price":175.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/1035\/3723\/files\/C012D4.jpg?v=1769745472"},{"product_id":"c1-series-10-subwoofer-800-w-rms-dual-2-ohm","title":"C1 Series 10″ Subwoofer – 800 W RMS, Dual 2 Ohm","description":"\u003cp\u003eThe C110D2 C1 Series 10″ Subwoofer from Concrete Audio features a 3″, 4-layer high-temp voice coil and 140 oz Y35 grade FEA-optimized motor structure for deep, reliable bass performance. With dual 2 ohm impedance, 800 W RMS power handling, and a stamped steel basket with paper cone and wide foam surround, this subwoofer delivers solid low-frequency output with standard mounting dimensions including a 9″ cut-out and 6.5″ mounting depth — ideal for PA systems, subwoofer cabinets, car audio, and custom bass builds.\u003c\/p\u003e","brand":"Axis Innovative Designs","offers":[{"title":"Default Title","offer_id":43176998109243,"sku":"C110D2","price":250.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/1035\/3723\/files\/C110D2-1_85daa7a0-74a8-415e-968e-a95cff77ca98.jpg?v=1769745843"},{"product_id":"c1-series-10-subwoofer-800-w-rms-dual-4-ohm","title":"C1 Series 10″ Subwoofer – 800 W RMS, Dual 4 Ohm","description":"\u003cp\u003eThe C110D4 C1 Series 10″ Subwoofer from Concrete Audio features a robust 3″, 4-layer high-temperature voice coil, dual 4 ohm impedance, and a 140 oz Y35 FEA-optimized motor structure for deep, powerful bass performance. Rated at 800 W RMS with a wide 30 Hz–500 Hz frequency range, this subwoofer includes a stamped steel basket, paper cone with wide foam surround, and standard 9″ cut-out and 6.5″ mounting depth for easy integration into PA cabinets, subwoofer enclosures, car audio systems, and custom bass builds.\u003c\/p\u003e","brand":"Axis Innovative Designs","offers":[{"title":"Default Title","offer_id":43177002860603,"sku":"C110D4","price":250.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/1035\/3723\/files\/C110D2-1.jpg?v=1769745573"},{"product_id":"c1-series-12-subwoofer-800-w-rms-dual-2-ohm","title":"C1 Series 12″ Subwoofer – 800 W RMS, Dual 2 Ohm","description":"\u003cp\u003eThe C112D2 C1 Series 12″ Subwoofer from Concrete Audio features a black stamped steel basket, non-pressed paper cone with wide foam surround, and woven tinsel leads on spiders for durable construction. It sports a 3″, 4-layer high-temperature voice coil with a 140 oz Y35 grade FEA-optimized motor structure and dual 2 ohm impedance for flexible wiring options. Rated at 800 W RMS with a 10 7\/8″ cut-out and 7″ mounting depth, this subwoofer delivers reliable bass performance and is ideal for PA systems, subwoofer cabinets, and custom bass builds.\u003c\/p\u003e","brand":"Axis Innovative Designs","offers":[{"title":"Default Title","offer_id":43177003778107,"sku":"C112D2","price":275.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/1035\/3723\/files\/C112D4-1.jpg?v=1769745981"},{"product_id":"c1-series-12-subwoofer","title":"C1 Series 12″ Subwoofer","description":"\u003cp\u003eThe C112D4 C1 Series 12″ Subwoofer from Concrete Audio delivers reliable, deep bass performance for PA systems, subwoofer cabinets, car audio builds, and custom audio projects. It features a 3″, 4-layer high-temperature voice coil, a 140 oz Y35 grade FEA-optimized motor structure, and dual 4 ohm impedance for versatile wiring options. Rated at 800 W RMS with a 30 Hz–500 Hz frequency range, the stamped steel basket, paper cone with wide foam surround, and robust construction provide strong low-end output with durable reliability. Standard mounting includes a 10 7\/8″ cut-out and 7″ mounting depth, making it straightforward to install in a variety of enclosure designs.\u003c\/p\u003e","brand":"Axis Innovative Designs","offers":[{"title":"Default Title","offer_id":43180516278331,"sku":"C112D4","price":275.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/1035\/3723\/files\/C112D4-1_1.jpg?v=1769746122"},{"product_id":"8-die-cast-black-finished-aluminum-basket","title":"8″ C3 Series Subwoofer-Dual 2 Ohm","description":"\u003cp\u003eThe C38D2V2 8″ Die-Cast Black Finished Aluminum Basket from Concrete Audio is a premium speaker assembly designed for high-performance builds. It features an 8″ diameter, die-cast aluminum basket, non-pressed paper cone with foam surround, bolt-down ring, and woven tinsel leads on spiders for reliable electrical connectivity. Powered by a 2.5″ 4-layer high-temperature voice coil and a 100 oz Y35 grade FEA-optimized motor structure, this assembly offers 500 W RMS power handling with dual 2 ohm impedance. Designed for subwoofer applications, it has a 7 1\/8″ cut-out and 5″ mounting depth, making it ideal for PA subwoofer boxes, custom speaker builds, and pro audio enclosures.\u003c\/p\u003e","brand":"Axis Innovative Designs","offers":[{"title":"Default Title","offer_id":43180520702011,"sku":"C38D2V2","price":163.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/1035\/3723\/files\/C38D2-1.jpg?v=1769746221"},{"product_id":"10-subwoofer-c5-series","title":"10″ Subwoofer - C5 Series- Dual 1 Ohm","description":"\u003cp\u003eThe C510D1 10″ Subwoofer from Concrete Audio (C5 Series) features a gloss gray die cast aluminum basket, high roll foam surround, double-stitched gloss carbon fiber dust cap, and glass fiber reinforced paper cone with doubled woven tinsel leads and bolt-down ring. It includes a 4″ 8-layer high-temp USA voice coil and three 125 oz high-grade magnets in a dual 1 ohm configuration. Rated at 3,000 W RMS with rugged construction, 9.25″ cut-out, 10.75″ outer diameter, and 9⅛″ mounting depth, it’s built for high-output PA systems, subwoofer cabinets, and pro audio bass builds.\u003c\/p\u003e","brand":"Axis Innovative Designs","offers":[{"title":"Default Title","offer_id":43180521586747,"sku":"C510D1-USAVC","price":1000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/1035\/3723\/files\/C510D2-PIC-1.jpg?v=1769746335"},{"product_id":"10-subwoofer-c5-series-dual-2-ohm","title":"10″ Subwoofer (C5 Series, Dual 2 Ohm)","description":"\u003cp\u003eThe C510D2 10″ Subwoofer from Concrete Audio’s C5 Series features a gloss gray die-cast aluminum basket, high-roll foam surround, double-stitched gloss carbon fiber dust cap, and a glass fiber reinforced paper cone with doubled woven leads and Nomex spider for durability and excursion. It includes a 4″, 8-layer high-temp USA voice coil paired with three 125 oz high-grade magnets in a dual 2 ohm configuration, delivering 3000 W RMS of deep, powerful bass. With a 9.25″ cut-out and 9 1\/8″ mounting depth, this high-performance subwoofer is perfect for PA systems, pro audio sub cabinets, and custom bass builds.\u003c\/p\u003e","brand":"Axis Innovative Designs","offers":[{"title":"Default Title","offer_id":43180522045499,"sku":"C510D2-USAVC","price":1000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/1035\/3723\/files\/C510D2-PIC-1_6a66d933-b631-46e8-b191-45ee18608a8d.jpg?v=1769746402"},{"product_id":"12-subwoofer-c5-series-dual-1-ohm","title":"12″ Subwoofer C5 Series, Dual 1 Ohm","description":"\u003cp\u003eThe C512D1 12″ Subwoofer from Concrete Audio’s C5 Series features a die-cast gloss gray aluminum basket, high-roll foam surround, double-stitched gloss carbon fiber dust cap, and glass fiber reinforced paper cone with doubled woven leads and Nomex spider for durability. It includes a 4″, 8-layer high-temp USA voice coil paired with three 165 oz high-grade magnets in a dual 1 ohm configuration, delivering 4,000 W RMS of deep, powerful bass. With a 13.25″ outer diameter, 11.125″ cut-out, and 10.25″ mounting depth, this subwoofer is engineered for PA systems, pro audio subwoofer cabinets, and custom bass builds with high-output demands.\u003c\/p\u003e","brand":"Axis Innovative Designs","offers":[{"title":"Default Title","offer_id":43180522537019,"sku":"C512D1-USAVC","price":1250.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/1035\/3723\/files\/C512D1-PIC-3.jpg?v=1769746505"},{"product_id":"10-c3-series-subwoofer-dual-2-ohm-1000-w-rms","title":"10″ C3 Series Subwoofer — Dual 2 Ohm, 1000 W RMS","description":"\u003cp data-start=\"272\" data-end=\"650\"\u003eThe Concrete Audio is a high-performance 10″ C3 Series subwoofer engineered for powerful, deep bass and reliable operation in custom audio builds. With a dual 2-ohm design and 1000 W RMS power handling, this sub delivers punch and precision whether you’re crafting a daily driver system or a competition-ready setup. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"652\" data-end=\"1040\"\u003eBuilt for durability and output, the C310LD2 features a gloss grey die-cast aluminum basket, high-roll foam surround, and double-stitched triple joint ring for reinforced voice coil support. A 3″ high-temp USA voice coil and 100 oz high-grade magnet ensure controlled cone movement and reliable performance at higher power levels. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1042\" data-end=\"1058\"\u003eKey Specs:\u003c\/p\u003e\n\u003cul data-start=\"1059\" data-end=\"1642\"\u003e\n\u003cli data-start=\"1059\" data-end=\"1124\"\u003e\n\u003cp data-start=\"1061\" data-end=\"1124\"\u003eSize: 10″ subwoofer \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1125\" data-end=\"1210\"\u003e\n\u003cp data-start=\"1127\" data-end=\"1210\"\u003ePower Handling: 1000 W RMS (2500 W max) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1211\" data-end=\"1276\"\u003e\n\u003cp data-start=\"1213\" data-end=\"1276\"\u003eImpedance: Dual 2 Ω \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1277\" data-end=\"1359\"\u003e\n\u003cp data-start=\"1279\" data-end=\"1359\"\u003eBasket: Gloss grey die-cast aluminum \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1360\" data-end=\"1439\"\u003e\n\u003cp data-start=\"1362\" data-end=\"1439\"\u003eVoice Coil: 3″ high temp USA coil \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1440\" data-end=\"1511\"\u003e\n\u003cp data-start=\"1442\" data-end=\"1511\"\u003eMagnet: 100 oz high-grade \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1512\" data-end=\"1580\"\u003e\n\u003cp data-start=\"1514\" data-end=\"1580\"\u003eMounting Depth: 7 3\/8″ \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1581\" data-end=\"1642\"\u003e\n\u003cp data-start=\"1583\" data-end=\"1642\"\u003eCut-Out: 9 1\/4″\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Axis Innovative Designs","offers":[{"title":"Default Title","offer_id":43199601377339,"sku":"C310LD2-USAVC","price":550.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/1035\/3723\/files\/c310ld2-4_948c7c93-1f40-4dc9-8957-1004be28d4d8.jpg?v=1770776418"},{"product_id":"10-c3-series-subwoofer-dual-4-ohm-1000-w-rms","title":"10″ C3 Series Subwoofer — Dual 4 Ohm, 1000 W RMS","description":"\u003cp data-start=\"289\" data-end=\"694\"\u003eHigh-output 10″ C3 Series subwoofer engineered for deep, authoritative low-end and rugged reliability in custom audio systems. Featuring a dual 4 Ω voice coil configuration and 1000 W RMS power handling, this driver delivers consistent performance and controlled bass response ideal for sealed or ported enclosures. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"696\" data-end=\"1107\"\u003eBuilt with a gloss grey die-cast aluminum basket and high-roll foam surround, the C310LD4-USA also includes a double-stitched triple joint ring for reinforced connection between the voice coil and spider. Its 3″ high-temperature USA voice coil and premium 100 oz magnet provide thermal stability and strong motor force for reliable SPL and excursion under load. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1109\" data-end=\"1125\"\u003eKey Specs:\u003c\/p\u003e\n\u003cul data-start=\"1126\" data-end=\"1716\"\u003e\n\u003cli data-start=\"1126\" data-end=\"1198\"\u003e\n\u003cp data-start=\"1128\" data-end=\"1198\"\u003eDriver Size: 10″ subwoofer \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1199\" data-end=\"1284\"\u003e\n\u003cp data-start=\"1201\" data-end=\"1284\"\u003ePower Handling: 1000 W RMS \/ 2500 W max \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1285\" data-end=\"1350\"\u003e\n\u003cp data-start=\"1287\" data-end=\"1350\"\u003eImpedance: Dual 4 Ω \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1351\" data-end=\"1433\"\u003e\n\u003cp data-start=\"1353\" data-end=\"1433\"\u003eBasket: Gloss grey die-cast aluminum \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1434\" data-end=\"1513\"\u003e\n\u003cp data-start=\"1436\" data-end=\"1513\"\u003eVoice Coil: 3″ high-temp USA coil \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1514\" data-end=\"1585\"\u003e\n\u003cp data-start=\"1516\" data-end=\"1585\"\u003eMagnet: 100 oz high-grade \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1586\" data-end=\"1654\"\u003e\n\u003cp data-start=\"1588\" data-end=\"1654\"\u003eMounting Depth: 7 3\/8″ \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1655\" data-end=\"1716\"\u003e\n\u003cp data-start=\"1657\" data-end=\"1716\"\u003eCut-Out: 9 1\/4″ \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1718\" data-end=\"1954\"\u003eDesigned to integrate seamlessly into performance enclosures, the C310LD4-USA brings impactful, tight bass reproduction to any build — from daily drivers to high-execution competition systems.\u003c\/p\u003e","brand":"Axis Innovative Designs","offers":[{"title":"Default Title","offer_id":43199601573947,"sku":"C310LD4-USAVC","price":550.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/1035\/3723\/files\/c310ld2-4.jpg?v=1770776332"},{"product_id":"12-c3-series-subwoofer-dual-2-ohm-1500-w-rms","title":"12″ C3 Series Subwoofer — Dual 2 Ohm, 1500 W RMS","description":"\u003cp data-start=\"326\" data-end=\"743\"\u003eHigh-output 12″ C3 Series subwoofer engineered for powerful, deep bass and rugged durability in high-performance audio systems. Featuring a dual 2 Ohm voice coil configuration and 1500 W RMS power handling (3000 W max), this driver delivers authoritative low-end impact whether used in competition builds or custom daily drivers. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"745\" data-end=\"1190\"\u003eBuilt with a gloss grey die-cast aluminum basket, high-roll foam surround, and double-stitched triple joint ring for reinforced voice coil support, the C312LD2-USA features a 3″ high-temp USA voice coil paired with a premium 3-100 oz magnet to ensure controlled excursion and reliable performance under load. Recommended enclosure and port specs help optimize bass output and efficiency. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1192\" data-end=\"1208\"\u003eKey Specs:\u003c\/p\u003e\n\u003cul data-start=\"1209\" data-end=\"1806\"\u003e\n\u003cli data-start=\"1209\" data-end=\"1281\"\u003e\n\u003cp data-start=\"1211\" data-end=\"1281\"\u003eDriver Size: 12″ subwoofer \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1282\" data-end=\"1367\"\u003e\n\u003cp data-start=\"1284\" data-end=\"1367\"\u003ePower Handling: 1500 W RMS \/ 3000 W max \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1368\" data-end=\"1433\"\u003e\n\u003cp data-start=\"1370\" data-end=\"1433\"\u003eImpedance: Dual 2 Ω \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1434\" data-end=\"1516\"\u003e\n\u003cp data-start=\"1436\" data-end=\"1516\"\u003eBasket: Gloss grey die-cast aluminum \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1517\" data-end=\"1596\"\u003e\n\u003cp data-start=\"1519\" data-end=\"1596\"\u003eVoice Coil: 3″ high-temp USA coil \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1597\" data-end=\"1673\"\u003e\n\u003cp data-start=\"1599\" data-end=\"1673\"\u003eMagnet: 3-100 oz premium grade \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1674\" data-end=\"1741\"\u003e\n\u003cp data-start=\"1676\" data-end=\"1741\"\u003eMounting Depth: 8.25″ \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1742\" data-end=\"1806\"\u003e\n\u003cp data-start=\"1744\" data-end=\"1806\"\u003eCut-Out: 11 1\/8″ \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1808\" data-end=\"2029\"\u003eOptimized for sealed or ported enclosures and built for impactful, controlled low-frequency performance, the C312LD2-USA brings solid bass authority to any custom audio project.\u003c\/p\u003e","brand":"Axis Innovative Designs","offers":[{"title":"Default Title","offer_id":43199602065467,"sku":"C312LD2-USAVC","price":600.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/1035\/3723\/files\/C312L_77cdb1c5-e006-4709-a8ea-82b5e566319c.jpg?v=1770776222"},{"product_id":"12-c3-series-subwoofer-dual-4-ohm-1500-w-rms","title":"12″ C3 Series Subwoofer — Dual 4 ohm, 1500 W RMS","description":"\u003cp data-start=\"304\" data-end=\"811\"\u003eThe Concrete Audio C312LD4-USA is a high-output 12″ C3 Series subwoofer engineered for deep, authoritative bass and rugged reliability in custom audio systems. Featuring a dual 4 ohm voice coil configuration and 1500 W RMS power handling (3000 W maximum), this driver delivers powerful low-frequency output ideal for both competition builds and high-performance daily drivers. \u003c\/p\u003e\n\u003cp data-start=\"813\" data-end=\"1342\"\u003eBuilt with a gloss grey die-cast aluminum basket, high-roll foam surround, and double-stitched triple joint ring for reinforced voice coil support, the C312LD4-USA combines a 3″ high-temperature USA voice coil with a premium 3-100 oz magnet to ensure controlled excursion and dependable performance under load. Recommended enclosure and port specs help optimize bass response for a range of builds. \u003c\/p\u003e\n\u003cp data-start=\"1344\" data-end=\"1360\"\u003eKey Specs:\u003c\/p\u003e\n\u003cul data-start=\"1361\" data-end=\"2549\"\u003e\n\u003cli data-start=\"1361\" data-end=\"1506\"\u003e\n\u003cp data-start=\"1363\" data-end=\"1506\"\u003eDriver Size: 12″ subwoofer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1507\" data-end=\"1665\"\u003e\n\u003cp data-start=\"1509\" data-end=\"1665\"\u003ePower Handling: 1500 W RMS \/ 3000 W max\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1666\" data-end=\"1806\"\u003e\n\u003cp data-start=\"1668\" data-end=\"1806\"\u003eImpedance: Dual 4 ohm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1807\" data-end=\"1962\"\u003e\n\u003cp data-start=\"1809\" data-end=\"1962\"\u003eBasket: Gloss grey die-cast aluminum\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1963\" data-end=\"2122\"\u003e\n\u003cp data-start=\"1965\" data-end=\"2122\"\u003eVoice Coil: 3″ high-temperature USA coil \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2123\" data-end=\"2272\"\u003e\n\u003cp data-start=\"2125\" data-end=\"2272\"\u003eMagnet: 3-100 oz premium grade \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2273\" data-end=\"2413\"\u003e\n\u003cp data-start=\"2275\" data-end=\"2413\"\u003eMounting Depth: 8.25″ \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2414\" data-end=\"2549\"\u003e\n\u003cp data-start=\"2416\" data-end=\"2549\"\u003eCut-Out: 11 1\/8″ \u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2551\" data-end=\"2843\"\u003eOptimized for sealed or ported enclosures, the C312LD4-USA brings impactful, controlled bass reproduction to any custom audio project — from daily setups to competition systems.\u003c\/p\u003e","brand":"Axis Innovative Designs","offers":[{"title":"Default Title","offer_id":43199602229307,"sku":"C312LD4-USAVC","price":600.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/1035\/3723\/files\/C312L.jpg?v=1770776162"},{"product_id":"15-c3-series-subwoofer-dual-2-ohm-2500-w-rms","title":"15″ C3 Series Subwoofer — Dual 2 ohm, 1500 W RMS","description":"\u003cp data-end=\"826\" data-start=\"297\"\u003eThe Concrete Audio C315LD2 is a 15″ C3 Series subwoofer engineered for massive low-end performance and rock-solid reliability in high-output audio systems. With a dual 2 ohm voice coil configuration and 1500 W RMS power handling (3000 W max), this subwoofer is built to deliver deep, punchy bass in both sealed and ported enclosures — perfect for competition builds, show vehicles, and extreme SPL systems. (\u003ca href=\"https:\/\/www.concreteaudiousa.com\/product\/c315ld2\/?utm_source=chatgpt.com\" class=\"decorated-link\" rel=\"noopener\" data-end=\"825\" data-start=\"729\"\u003econcreteaudiousa.com\u003cspan class=\"ms-0.5 inline-block align-middle leading-none\" aria-hidden=\"true\"\u003e\u003csvg class=\"block h-[0.75em] w-[0.75em] stroke-current stroke-[0.75]\" data-rtl-flip=\"\" aria-hidden=\"true\" height=\"20\" width=\"20\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cuse href=\"\/cdn\/assets\/sprites-core-c9exbsc1.svg#304883\" fill=\"currentColor\"\u003e\u003c\/use\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp data-end=\"1257\" data-start=\"828\"\u003eFeaturing a gloss grey die-cast aluminum basket, high-roll foam surround, and double-stitched triple joint ring for reinforced voice coil support, the C315LD2 combines a 4″ high-temperature USA voice coil with a premium 5-100 oz magnet to ensure tight control, durability, and heat resistance under heavy load.\u003c\/p\u003e\n\u003cp data-end=\"1275\" data-start=\"1259\"\u003eKey Specs:\u003c\/p\u003e\n\u003cul data-end=\"2366\" data-start=\"1276\"\u003e\n\u003cli data-end=\"1409\" data-start=\"1276\"\u003e\n\u003cp data-end=\"1409\" data-start=\"1278\"\u003eDriver Size: 15″ subwoofer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1556\" data-start=\"1410\"\u003e\n\u003cp data-end=\"1556\" data-start=\"1412\"\u003ePower Handling: 1500 W RMS \/ 3000 W max\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1685\" data-start=\"1557\"\u003e\n\u003cp data-end=\"1685\" data-start=\"1559\"\u003eImpedance: Dual 2 ohm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1829\" data-start=\"1686\"\u003e\n\u003cp data-end=\"1829\" data-start=\"1688\"\u003eBasket: Gloss grey die-cast aluminum\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1977\" data-start=\"1830\"\u003e\n\u003cp data-end=\"1977\" data-start=\"1832\"\u003eVoice Coil: 4″ high-temperature USA coil\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2115\" data-start=\"1978\"\u003e\n\u003cp data-end=\"2115\" data-start=\"1980\"\u003eMagnet: 5-100 oz premium grade\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2244\" data-start=\"2116\"\u003e\n\u003cp data-end=\"2244\" data-start=\"2118\"\u003eMounting Depth: 9.75″ \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2366\" data-start=\"2245\"\u003e\n\u003cp data-end=\"2366\" data-start=\"2247\"\u003eCut-Out: 13 3\/8″\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"2633\" data-start=\"2368\"\u003eBuilt to handle serious power with tight control and deep bass authority, the C315LD2 is a go-to choice for builders pushing boundaries in output and performance.\u003c\/p\u003e","brand":"Axis Innovative Designs","offers":[{"title":"Default Title","offer_id":43199602458683,"sku":"C315LD2-USAVC","price":650.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/1035\/3723\/files\/c315ld2-1_33a94c5d-678a-42ca-8cd0-b8c40f96b8bb.jpg?v=1770776024"},{"product_id":"15-c3-series-subwoofer-dual-4-ohm-2500-w-rms","title":"15″ C3 Series Subwoofer — Dual 4 ohm, 1500 W RMS","description":"\u003cp data-start=\"295\" data-end=\"801\"\u003eThe Concrete Audio C315LD4-USA is a 15″ C3 Series subwoofer engineered for deep, commanding bass and rugged reliability in high-output audio systems. Featuring a dual 4 ohm voice coil configuration and 1500 W RMS power handling (3000 W maximum), this sub delivers impactful low-frequency output perfect for competition builds, show vehicles, and custom daily drivers. \u003c\/p\u003e\n\u003cp data-start=\"803\" data-end=\"1295\"\u003eBuilt for serious performance, the C315LD4-USA integrates a gloss grey die-cast aluminum basket, high-roll foam surround, and double-stitched triple joint ring to support enhanced excursion and durability. A 4″ high-temperature USA voice coil paired with a premium 5-100 oz magnet delivers controlled cone movement and reliable thermal stability under load. \u003c\/p\u003e\n\u003cp data-start=\"1297\" data-end=\"1313\"\u003eKey Specs:\u003c\/p\u003e\n\u003cul data-start=\"1314\" data-end=\"2525\"\u003e\n\u003cli data-start=\"1314\" data-end=\"1463\"\u003e\n\u003cp data-start=\"1316\" data-end=\"1463\"\u003eDriver Size: 15″ subwoofer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1464\" data-end=\"1626\"\u003e\n\u003cp data-start=\"1466\" data-end=\"1626\"\u003ePower Handling: 1500 W RMS \/ 3000 W max \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1627\" data-end=\"1771\"\u003e\n\u003cp data-start=\"1629\" data-end=\"1771\"\u003eImpedance: Dual 4 ohm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1772\" data-end=\"1931\"\u003e\n\u003cp data-start=\"1774\" data-end=\"1931\"\u003eBasket: Gloss grey die-cast aluminum \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1932\" data-end=\"2088\"\u003e\n\u003cp data-start=\"1934\" data-end=\"2088\"\u003eVoice Coil: 4″ high-temp USA coi\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2089\" data-end=\"2242\"\u003e\n\u003cp data-start=\"2091\" data-end=\"2242\"\u003eMagnet: 5-100 oz premium grade \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2243\" data-end=\"2387\"\u003e\n\u003cp data-start=\"2245\" data-end=\"2387\"\u003eMounting Depth: 9.75″\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2388\" data-end=\"2525\"\u003e\n\u003cp data-start=\"2390\" data-end=\"2525\"\u003eCut-Out: 13 3\/8″\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2527\" data-end=\"2797\"\u003eDesigned to integrate easily into sealed or ported enclosures, the C315LD4-USA provides powerful, clean bass reproduction for any custom audio project.\u003c\/p\u003e","brand":"Axis Innovative Designs","offers":[{"title":"Default Title","offer_id":43199605407803,"sku":null,"price":650.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/1035\/3723\/files\/c315ld2-1.jpg?v=1770775906"},{"product_id":"8-c5-series-subwoofer-dual-2-ohm-1500-w-rms","title":"8″ C5 Series Subwoofer — Dual 2 ohm, 1500 W RMS","description":"\u003cp data-start=\"310\" data-end=\"724\"\u003eThe Concrete Audio C58D2 8″ C5 Series Subwoofer is a compact yet high-output bass driver engineered to deliver powerful low-frequency performance in smaller enclosures and custom builds. Featuring a dual 2 ohm voice coil configuration and 1500 W RMS power handling, this 8-inch sub delivers punchy, controlled bass without sacrificing reliability or excursion. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"726\" data-end=\"1150\"\u003eBuilt for durability and performance, the C58D2 includes a gloss grey die-cast aluminum basket, high-roll foam surround, and glass fiber reinforced paper cone with carbon fiber dust cap, giving it both strength and responsiveness. A triple-joint reinforced Nomex spider and 3″ eight-layer flat-wire high-temperature USA voice coil ensure stable operation under load. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1152\" data-end=\"1422\"\u003eThis subwoofer is ideal for compact sealed or ported enclosures — whether you’re designing precision-tuned bass for a show vehicle or adding depth to a custom audio system, the C58D2 brings tight, impactful low end to any build. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1424\" data-end=\"1440\"\u003eKey Specs:\u003c\/p\u003e\n\u003cul data-start=\"1441\" data-end=\"2101\"\u003e\n\u003cli data-start=\"1441\" data-end=\"1512\"\u003e\n\u003cp data-start=\"1443\" data-end=\"1512\"\u003eDriver Size: 8″ subwoofer \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1513\" data-end=\"1585\"\u003e\n\u003cp data-start=\"1515\" data-end=\"1585\"\u003ePower Handling: 1500 W RMS \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1586\" data-end=\"1653\"\u003e\n\u003cp data-start=\"1588\" data-end=\"1653\"\u003eImpedance: Dual 2 ohm \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1654\" data-end=\"1736\"\u003e\n\u003cp data-start=\"1656\" data-end=\"1736\"\u003eBasket: Gloss grey die-cast aluminum \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1737\" data-end=\"1838\"\u003e\n\u003cp data-start=\"1739\" data-end=\"1838\"\u003eVoice Coil: 3″ eight-layer flat-wire high-temp USA coil \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1839\" data-end=\"1909\"\u003e\n\u003cp data-start=\"1841\" data-end=\"1909\"\u003eSurround: High-roll foam \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1910\" data-end=\"1993\"\u003e\n\u003cp data-start=\"1912\" data-end=\"1993\"\u003eSpider: Triple-joint reinforced Nomex \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1994\" data-end=\"2101\"\u003e\n\u003cp data-start=\"1996\" data-end=\"2101\"\u003eCone: Glass fiber reinforced paper with carbon fiber dust cap\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Axis Innovative Designs","offers":[{"title":"Default Title","offer_id":43199606095931,"sku":"C58D2-USAVC","price":575.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/1035\/3723\/files\/C58D2-PIC-3.jpg?v=1770775799"},{"product_id":"18-c5-series-subwoofer-dual-2-ohm-3500-w-rms","title":"18″ C5 Series Subwoofer — Dual 2 ohm, 7500 W RMS","description":"\u003cp data-start=\"313\" data-end=\"849\"\u003eThe Concrete Audio C518D2 is a massive 18″ C5 Series subwoofer engineered for serious low-end impact and competition-level performance. Featuring a dual 2 ohm voice coil configuration and 7500 W RMS power handling (15000 W maximum), this driver delivers deep, powerful bass that dominates sealed or ported enclosure builds — ideal for SPL competition rigs, show vehicles, and high-output custom systems.\u003c\/p\u003e\n\u003cp data-start=\"851\" data-end=\"1386\"\u003eBuilt for heavy use and maximum excursion, the C518D2 combines a reinforced gloss grey die-cast aluminum basket, high-roll foam surround, and glass fiber reinforced paper cone with gloss carbon fiber dust cap for strength and responsiveness. A 5″ eight-layer high-temperature USA voice coil and 215 oz premium magnet provide stable thermal performance and robust motor force under extreme load conditions. \u003c\/p\u003e\n\u003cp data-start=\"1388\" data-end=\"1404\"\u003eKey Specs:\u003c\/p\u003e\n\u003cul data-start=\"1405\" data-end=\"2651\"\u003e\n\u003cli data-start=\"1405\" data-end=\"1549\"\u003e\n\u003cp data-start=\"1407\" data-end=\"1549\"\u003eDriver Size: 18″ subwoofer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1550\" data-end=\"1707\"\u003e\n\u003cp data-start=\"1552\" data-end=\"1707\"\u003ePower Handling: 7500 W RMS \/ 15000 W max\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1708\" data-end=\"1847\"\u003e\n\u003cp data-start=\"1710\" data-end=\"1847\"\u003eImpedance: Dual 2 ohm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1848\" data-end=\"2013\"\u003e\n\u003cp data-start=\"1850\" data-end=\"2013\"\u003eBasket: Reinforced gloss grey die-cast aluminum \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2014\" data-end=\"2177\"\u003e\n\u003cp data-start=\"2016\" data-end=\"2177\"\u003eVoice Coil: 5″ eight-layer high-temp USA coil \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2178\" data-end=\"2324\"\u003e\n\u003cp data-start=\"2180\" data-end=\"2324\"\u003eMagnet: 215 oz premium grade \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2325\" data-end=\"2467\"\u003e\n\u003cp data-start=\"2327\" data-end=\"2467\"\u003eSurround: High-roll foam\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2325\" data-end=\"2467\"\u003e\n\u003cp data-start=\"2327\" data-end=\"2467\"\u003eCone: Glass fiber reinforced paper with gloss carbon fiber dust cap \u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2653\" data-end=\"2912\"\u003eBuilt to handle extreme power with tight control and deep, authoritative low end, the C518D2 is a flagship-level driver for serious audio builds.\u003c\/p\u003e","brand":"Axis Innovative Designs","offers":[{"title":"Default Title","offer_id":43199612747835,"sku":"C518D2-USAVC","price":1875.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/1035\/3723\/files\/C518-PIC-1.jpg?v=1770775687"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/1035\/3723\/collections\/Axis_Subwoofers.svg?v=1770489545","url":"https:\/\/axisinnovativedesigns.com\/collections\/concrete-audio-subwoofers.oembed","provider":"Axis Innovative Designs","version":"1.0","type":"link"}