13.2V max output level; Freq resp: 10Hz-35kHz; Input noise-reduction circuitry; Master volume; Blue illuminated controls; High-headroom PWM power supply; Bass driver circuit accurately recreates & injects low-frequency information back into signal path; Unique bass-equalization circuit contours restored bass to speaker system; Bass maximizer indicator; PFM subsonic filter switch fine-tunes bass response; Bass output control produces large amounts of deep bass without damaging speakers; Illuminated Hifonics(R) logo; Signal-to-noise ratio: 133dB; Includes dash-mount remote; Dim: 1.5″H x 7.75″W x 6″D;