GM-A4704
4-Channel Bridgeable Amplifier (520W)

Compact power.
A combination of great design and massive power, the GM-A4704 amplifier gives you total installation freedom and no distortion. With a one-body heat sink and gain adjustment of up to 6.5V, you can turn your in-car audio experience into the sound staging environment that you’re looking for.
This 4-channel amp allows you to drive multiple speakers and subwoofers, it’s also bridgeable to power a single sub.
Specifications

4-channelcombine impressive power with big sound for a loud, clear and distortion-free music experience