Full-Range Class D 4-Channel Car Audio Amplifier

The DS18 G1800.4D is a full-range Class D 4-channel car audio amplifier, redesigned to meet high audio enthusiast standards for power, reliability, and efficiency. This compact unit delivers robust performance with 4x150 watts RMS at 4 ohms, 4x230 watts RMS at 2 ohms, and 2x430 watts RMS when bridged at 4 ohms, topping out at 1800 watts peak power. Engineered with a focus on both performance and space-saving, the G1800.4D ensures your system receives pure, clean power. Its Class D circuit design is built for cool operation even under demanding conditions. The amplifier includes integrated selectable crossovers, offering LPF, HPF, and Flat modes to help you achieve the desired audio response. Key specifications include a frequency response of 20Hz-20kHz, a signal-to-noise ratio greater than 90dB, and 81% efficiency at 4 ohms. It boasts a low total harmonic distortion of 0.01% and supports a minimum impedance of 2 ohms. The input range is adjustable from 0.25V to 6V, and it features a phase selector for further tuning. The amplifier also incorporates multiple protection features, such as thermal, overload, DC output, short circuit, voltage input, and clipping protection, indicated by dedicated LEDs.