Pioneer Gm-A4704 4-Channel Bridgeable LWGYJMUQ_HCN7N

A combination of great design and massive power, the GMA4704 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 youre looking for. This 4-channel amp allows you to drive multiple speakers and subwoofers, its also bridgeable to power a single sub.