Audio Source AMP310VS Two-Channel Power Amplifier Product Details 2 Channels rated at 150 watts into 8 ohms 225 watts RMS per channel @ 4 ohms Bridge Output: 450 Watts @ 8 ohms Features 5-Way Binding Posts A/B Speaker selector Auto Signal Sensing Power On Dual Auto-Switching Inputs Dual-differential error amplifiers Front panel balance and volumen controls Front panel diagnostic LEDS High level inputs Line 2 Auxiliary output Rear independent left/right master level controls Rear mounted treble and bass controls Triple-Darlington Power Amplifier Stages Rack mountable (Rack ears included) Specifications Input Sensitivity: Variable, .350mV to 2.8V for rated power at 8 ohms Frequence response: 10Hz to 50kHz Channel Crosstalk: 70 dB Less than 0.2% THD into 8 ohms at rated power S/N Ratio: 100 dB A-weighted