The 2-channel GM-A5702 amplifier delivers a whopping 1000 watts max power, 480W nominal power delivering an outstanding bass from your subwoofer. It^s also got built-in low-pass crossovers, speaker level inputs for easy connection to an OEM headunit and Bass boost feature for a optimal bass. Gain Control Appropriate gain control adjustment can be made to ensure loud, clear, distortion-free music. Amplifier Power Standard GM-Series amplifiers are thrillers in every sense, pushing the limits of flexibility and functionality.