Query: 4 channel amp 600 watt
Kenwood KAC-D3104 4-Channel Class D 600W Max Amplifier w/Bass Boost
Hifonics ZXX-600.4 Zeus 4 Channel Bridgeable Amplifier, Silver, 15.20in. x 11.70in. x 3.50in.
Kenwood KAC-M3004 Compact 4 Channel Digital Amplifier
CERWIN VEGA XED600.4 600-Watt Class AB Amplifier, 4 Channels, 600W Max
Rockford Fosgate P600X4 Punch 600 Watt 4 Channel Amplifier
Kenwood KAC-M3004 4 Channel 600 Watt Amp Marine ATV Boat Amplifier + Wiring Kit