100 x 4 + 400 RMS @ 4 Ohms150 x 4 + 600W RMS @ 2 Ohms2500 Watts maxFuse 1 x 40ARemote Bass Knob 2-Ohm Stable Class D Monoblocks Small Compact 4¾" Wide x 1?" High Chassis 50-250Hz Variable 12dB LP Crossover 10-50Hz Variable 12dB Subsonic Crossover 12dB 45Hz Bass Boost High Level InputsDimensions (WxHxL): 4¾" x 1?" x 12-1/2L"