Hifonics TPS-A600.5 600W 5-Channel Marine Audio Amplifier Amp RZR/ATV/UTV/Cart Hifonics TPS-A600.5 600W 5-Channel Marine Audio Amplifier Amp RZR/ATV/UTV/Cart Hifonics TPS-A350.4 Class-D Full Range 2-Ohm Stable 5-Channel Powersports Amplifier Peak Power Rating: 4 ohms: 40 watts x 4 chan., 100 watts x subwoofer chan. 2 ohms: 80 watts x 4 chan., 200 watts x subwoover chan. Total power output: 600 watts Tested to withstand water, dust, mud and vibration Pulse Width Modulated MOSFET power supply 5 channel operation Low-pass filter on subwoofer channel: 50 - 150 HZ 3-way protection circuitry (thermal, overload, and speaker short protection) Heavy duty aluminum alloy heat-sink Frequency Response: 20 - 20,000 Hz Signal to Noise Ration: andgt; 90 dB Variable Bass Boost: 0 to +12 dB bass boost Wired bass remote included Fuse Rating: 40 A x 1 Dimensions: 3.7"W x 8.46"L x 1.77"H Authorized Internet Dealer 1-year Manufacturers Warranty