Full Range Class D Digital Amplifier — 3000 W RMS

The Concrete Audio CA3000-1SLM is a high-efficiency Class D digital monoblock amplifier engineered for serious power delivery and low-frequency control in custom audio systems. Designed to stay stable under heavy load, this amp delivers robust output and refined tuning flexibility, making it an excellent choice for performance-oriented builds.

Optimized for driving demanding subwoofers, the CA3000-1SLM provides 3000 W RMS at one ohm, 1905 W RMS at two ohm, and 980 W RMS at four ohm, giving you flexibility for a range of configurations. Its 10 Hz–20 kHz frequency response and greater than 90 dB signal-to-noise ratio ensure clean, dynamic power delivery with minimal distortion.

Tuning features include a low-pass crossover (50 Hz–20 kHz), subsonic filter (15 Hz–5 kHz), and 0–12 dB bass boost (30 Hz–70 Hz) so you can shape low-end performance to suit your enclosure and listening preferences. Built-in protection features — including thermal, overload, short-circuit, and voltage protection — help ensure reliable performance under demanding conditions.

A remote level control knob is included for easy adjustment from the driver’s seat, and its compact footprint fits neatly into most installations. Whether you’re building a competition-ready SPL system or a high-output daily driver setup, the CA3000-1SLM delivers massive power with refined control.