4-Channel Class D Digital Amplifier — Full-Range Power 1200 W RMS

The Concrete Audio CA1200-4SLM is a high-efficiency 4-channel Class D digital amplifier engineered to provide clean, dependable power across your full-range audio system. Designed with precision and durability in mind, this amp is ideal for powering multiple speakers — from component systems to door speakers and mids — with strong, distortion-free output.

With 310 W per channel at two ohm and 190 W per channel at four ohm, the CA1200-4SLM delivers reliable performance for a wide range of installs. When bridged, it produces 650 W x 2 at four ohm for enhanced power delivery to paired channels or subwoofers.

Built with a broad frequency response (10 Hz–30 kHz) and signal-to-noise ratio greater than 93 dB, this amplifier provides clean audio reproduction with minimal distortion. Selectable crossover filters and onboard protection systems — including thermal, overload, and voltage safeguards — ensure dependable performance under load and long-term reliability.

Key Features:

• Channels: 4-channel Class D digital amplifier

• Power Output:

  • 310 W RMS × 4 @ two ohm

  • 190 W RMS × 4 @ four ohm

  • 650 W RMS × 2 bridged @ four ohm

• Frequency Response: 10 Hz–30 kHz

• Signal-to-Noise Ratio: > 93 dB

• Selectable Crossover Filters: For flexible system tuning

• Protection: Thermal, overload, short-circuit, voltage input safeguards

Whether you’re powering front and rear speakers or bridging channels for sub output, the CA1200-4SLM provides versatile full-range amplification with the durability and reliability your builds deserve.