7-Band Graphic Equalizer 6-Channel / 7 Volt RCA Outputs (Front/Rear/Subwoofer) Adjustable Master Volume Level Control Adjustable Subwoofer Level Control 2-Channel RCA AUX Input with Adjustable Gain Selectable 12dB Low-Pass Crossover (60Hz or 90Hz) Gold Plated Terminals Dimensions:7"(W) × 1"(H) × 4"(D) This unit is exclusively for vehicles with a negative ground, 12V battery system. When your vehicles EQ settings aren't good enough, the Clarion EQS746 is there to satisfy. This advanced rotary equalizer will provide 7 band of equalization and sound customization. At each of the band centers, a 12 dB boost/cut is offered to precisely adjust the frequencies of each band. It also features a dedicated subwoofer level output for enhanced subwoofer control. On the back, there is an auxiliary input for playing an additional audio source. The Clarion EQS746 comes with brackets for mounting underneath a dash, in a console, or anywhere else that it fits. For an ideally tuned system, the Clarion EQS746 equalizer can tune a system where other equalizers fall short.