DS18 G1800.4D GEN-X 1,800-Watt-Max 4-Channel Full-Range Class D Amp

1,800 watts max; 150 watts RMS x 4 channels at 4 ohms, 230 watts RMS x 4 channels at 2 ohms, and 430 watts RMS x 2 channels at 4 ohms bridged; 4-ohm efficiency at 81%; minimum impedance: 2 ohms Designed to replace factory amp or add an additional one for better sound quality Frequency response: 20 Hz to 20 kHz Signal to noise ratio: greater than 90 dB Small, powerful design powers speakers with great efficiency and power without taking up much space Selectable low-pass, high-pass, and flat crossovers Low-level inputs; high-quality terminals transfer power and signals without loss Dimensions: 10.43 in. L x 4.72 in. W x 1.96 in. H Includes mounting hardware