Product Description: two sets of full-range outputs with high-pass filter that engages when subwoofer output is in use. * subwoofer output has adjustable level control (up to +10 dB). * adjustable subwoofer crossover range (30-150 Hz) * dual illumination. * signal-to-noise ratio 100 dB * THD 0.01% * 3-1/2"W x 1"H x 5-3/4"D * 1-year warranty