Lanzar VIBE416 Viberant 4 Channel 1000 Watts High Power Mosfet Amplifier 4 x 125W RMS at 4 OHMS 4 x 250W MAX at 4 OHMS 2 x 500W MAX at 4 OHMS Bridged 4 x 200W at 2 OHMS RMS Electronic Crossover Network Bass Boost Circuit 2 Ohms Stereo Stable