PYRAMID PB481X 600 PYRAMID PB481X 600 Watt 2 Channel Bridgeable MOSFET Amplifier PYRAMID PB481X 600 Watt 2 Channel Bridgeable MOSFET Amplifier LI 300 Watts x 2 Output 4 Ohms LI 600 Watts x 1 Bridged Output 4 Ohms LI Variable Hi Lo Electronic Crossover Network LI Variable Bass Boost 0 18dB 60Hz LI Variable Input Level Gain Control LI Remote Turn On Off LI Gold Plated RCA Inputs LI High Level Molex Inputs LI Power On LED Indicator LI LED Protection Indicator LI S N Ratio 95dB LI THD 0 04 LI Thermal Protection LI Overload Protection LI Short Circuit Protection LI Anti Thump Turn On LI Dimensions 10 9 x 2 4 x 8 25