Pioneer GM-A4704 520W 4 Channel Amplifier

A combination of great design and massive power, the Pioneer 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.

• 520 Watts max power
• Automatic signal sensing and turn-on feature
• Pioneer amplifiers automatically select the proper input signal mode, either RCA or speaker level. When the receiver head unit is turned on, the amplifier automatically turns on. When connected to an OEM receiver or a receiver without RCA output and utilising speaker level output, the amp automatically senses the input mode and powers up in sync with the receiver.
• Variable high pass filter allows for adjustable frequency from 40 Hz to 500 Hz* providing greater car audio system flexibility according to subwoofer characteristics and personal listening preference.
• Speaker level inputs for easy connectivity.