Hifonics Brutus Series Class D Monoblock Amplifier, 3000 Watts 3000 Watts Total 3000 x 1 @ 1 Ohm 2000 x 1 @ 2 Ohms 1000 x 1 @ 4 Ohms DIM (WXHXL) 10.5"e; x 2.5"e; x 17.75"e; Fuses: 1 X 250A EXTERNAL FUSE (NOT INCLUDED) 1 Ohm Stable Heavy Aluminum Heatsink for Excellent Heat Dissipation Military Grade PCB NGSD - Next Generation Super D-Class Technology For Increased Efficiency Ultra-Fi Mosfets for low THD & Noise SPC - Simpatico Coil Design HSMD - Hifonics Surface Mount Design Brutus EXVP (Exponential Vari-Power Supply) Variable Low Pass: 10Hz-250Hz Variable Subsonic Filter: 15Hz-35Hz Bass Boost @ 45Hz: 0-10dB Phase Control LED Diagnostic Indicators 3-Way Protection Low Level RCA Inputs & Outputs Balanced Input for Line Drivers Remote bass knob