Features:- 4 x 75 watts @ 2 ohms- 4 x 50 watts @ 4 ohms- 150 watts @ 4 ohms bridged- IPX6 Rated- GTOTM Signal Sense- High and low input modes- 4 and 2 channel input modes- Linkwitz-Riley CrossoverSpecifications:Inputs:- Preamp/Speaker Level Inputs: 4- Input Voltage Low: 500 mV - 6 Vrms- Input Voltage Range High: 1 Vrms - 12 VrmsOutputs- Rated Continuous (RMS) Power at 14.4V:- 4 Ω - 50 W x 4 RMS- 2 Ω - 75 W x 4 RMS- Bridged 4 Ω - 150 W RMSPerformance- Frequency Response: 26 Hz - 22 kHz- Signal to Noise: 106 dBA, Ref 50 W @ 4 Ohm- THD N: Les than 0.2%- Crossover: 12 dB/octave Linkwitz-Riley, 80 Hz, 120 Hz, Bypass- IP Rating: IPX6Dimensions: 9.0″W x 3.875″D x 2.25″HWeight: 7.2 lbs. (3.3 kg)