Front, rear and subwoofer outputs; Fader control; Subwoofer volume control;Subwoofer Frequency 30Hz to 250Hz variable Bass 40Hz Midbass 150Hz;Mid 1kHz High 20kHz THD: <0.01%;Signal-to-noise ratio: >90dB Gold-plated connectors;Dimensions (W x D x H): 7 X 5-3/8 x 1Dual Color Illumination (Red and Green);Front, rear and subwoofer outputs;THD: <0.01%;Signal-to-noise ratio: >90dB;Dual color illumination;Gold-plated connectors