American Bass VFL1880.1D - 1 Channel 1800W AMP 1 OHM Stable 900W RMS Max power at 1 ohm: 1900W; Continuous power at 1 ohm: 900W RMS. Frequency response: 15Hz - 300KHz; Input level: 6V - 0.2V; Signal to noise ratio: 85db. Remote bass knob; Variable low pass filter: 50Hz - 220Hz; Subsonic filter: OFF - 50Hz; Damping factor: Over 150; X-over selector: HP/Full/BPF (Band pass works). Fuse: 40A; Four way protection: DC, speaker short, thermal, voltage. Dimensions: 6.5W x 11.5D x 2.375H inches.