DESC: The AMP310 Power Amplifier features Triple-Darlington power amplifier stages, front panel diagnostic LEDs, 2-stereo (low-level) inputs, speaker (high-level) inputs, and one auxiliary (low-level) output. In a nutshell, this amplifier is a 150W 2-Channel stereo amplifier capable of delivering breathtaking stereo sound, with an audio signal-to-noise ratio of 100dB.