Hertz HCP 4M Four Channel Marine Amplifier
MARINE 4 CHANNEL AMPLIFIER
Hertz HMP 4D Marine & Powersports 4 Channel Amplifier
MARINE & POWERSPORTS 4 CHANNEL AMPLIFIER
Rockford Fosgate PM400X4 4-Channel Amplifier
400 Watt 4-Channel Amplifier
Rockford Fosgate TM400X4ad 4-Channel Amplifier
400 Watt Class-AD 4-Channel Amplifier
Rockford Fosgate PM600X4 4-Channel Amplifier
600 Watt 4-Channel Amplifier