AudioSource Amp Two Stereo Power Amplifier with Internal Bridging (Discontinued by Manufacturer) 80 watts per channel (8 ohms), 200 watts monobridged Dual analog VU meters and peak limiter circuit Auto-on signal sensing circuit and A/B speaker switching 110 dB signal-to-noise ratio with 2 dB headroom Headphone jack, CD direct input, and left/right channel level control