"AUDIOSOURCE Two-Channel Power Amplifier (50 Watts / Channel) w/rear Mount Treble & Bass Controls) - AMP100VS * Audio amplifier designed for home and commercial audio distribution systems where high quality sound, flexibility, and reliability are essential. Offers exceptional value and many features that will make their installation and use easy and convenient. MAIN / INTERRUPT priority input switching. MAIN auxiliary output. 5-Way Binding Posts. Speaker A/B switching. Front panel Balance and Volume controls. Signal sensing Power On-in and Trigger mode * Rear mounted treble and bass controls. Stereo (8 ohm): 50 Watts per channel, <0.2% THD+N. Stereo (4 ohm): 60 Watts per channel, <0.2% THD+N. Bridged Mono (8 ohm): 150 Watts, 1kHz, <1% THD+N. Frequency Response: 10Hz ~ 30kHz, +0dB/ -3dB. Signal to Noise Ratio: 100dB below 50W output into 8 ohms. Channel Separation: 70dB @ 1kHz, referred to 50W output into 8 ohms. Input Sensitivity: 700mV input for rated 50W output into 8 ohms * Bass/Treble Control: +/- 12dB @ 100Hz and 10kHz. AC Power Consumption: 500W maximum. Net Weight: 9.6lbs / 4.4kgs. Gross Weight: 10.8lbs / 4.9kgsAudio amplifier designed for home and commercial audio distribution systems where high quality sound, flexibility, and reliability are essential. Offers exceptional value and many features that will make their installation and use easy and convenient. MAIN / INTERRUPT priority input switching * MAIN auxiliary output. 5-Way Binding Posts. Speaker A/B switching. Front panel Balance and Volume controls. Signal sensing Power On-in and Trigger mode. Rear mounted treble and bass controls. Stereo (8 ohm): 50 Watts per channel, <0.2% THD+N. Stereo (4 ohm): 60 Watts per channel, <0.2% THD+N * Bridged Mono (8 ohm): 150 Watts, 1kHz, <1% THD+N. Frequency Response: 10Hz ~ 30kHz, +0dB/ -3dB. Signal to Noise Ratio: 100dB below 50W output into 8 ohms. Channel Separation: 70dB @ 1kHz, referred to 50W output into 8 ohms. Input Sensitivity: 700mV input for rated 50W output into 8 ohms. Bass/Treble Control: +/- 12dB @ 100Hz and 10kHz. AC Power Consumption: 500W maximum. Net Weight: 9.6lbs / 4.4kgs. Gross Weight: 10.8lbs / 4.9kgs"