Rockford Fosgate R600X5 Prime 5-Channel Amplifier 50 Watts x 4 + 200 Watts x 1 @ 4-Ohm / 75 Watt x 4 + 300 Watts x 1 @ 2-Ohm Accepts High Level & RCA Level Input Cast aluminum heatsink with Top Mount Controls 12dB/octave crossover. MOSFET power supply 4 Gauge power/ground connectors. The R600X5 produces up to 75 Watts into each of its four channels with a dedicated subwoofer channel capable of producing 300 Watts into 2-Ohms.