Rack mount Ready / Bridgeable / Speaker A/B Switching / 3-15 Second Delay Time / Switch Function / High Level Input with Line 1/Line 2 Selector Line 2 Auxiliary Output Black Anodized Brushed Aluminum Faceplate 8-ohms Stereo Power at 1kHz - 80W at Less than 1% THD (Continuous Operation at 1/8 Rated Power, 20-20kHz) 4-ohms Stereo Power at 1kHz - 125W at Less than 1% THD (Continuous Operation at 1/8 Rated Power, 20-20kHz) 8-ohms Stereo Power at 1kHz - 175W at Less than 1% THD (Continuous Operation at 1/8 Rated Power, 20-20kHz) Signal to noise ratio - 100dBA Crosstalk - More than 65dB at 1kHz Frequency Response - 5Hz-25kHz (-3dB ref. 0dB) Sensitivity - Variable, 350mV - 2.8V for Rated Power at 8-ohms