6 Channel 7-Band High Performance Car Audio 1/2 DIN Pre-Amp Electronic Equalizer,7-ban graphic equalizer (50Hz, 125Hz, 315Hz, 750Hz, 2.2Khz, 6Khz, 16Khz) 3.5mm Front aux input 2-channel RCA aux input with variable gain adjustments and high level speaker inputs THD: 0. 005% High Voltage (Max Output Voltage - 8V) Gold Plated Pre-Amp RCA Outputs - Front, Rear, and Subwoofer (with Variable Subwoofer Level Control on Front of EQ) Blue illumination independent master volume and subwoofer level Control with fader control select able 12Db low-pass Filter (60Hz or 90Hz) Included components: Installation Brackets and Hardware,Ground loop isolation circuit Dimensions: 7"(w)x4-1/4"(l)x1"(h) 6 Channel 7-Band High Performance Car Audio 1/2 DIN Pre-Amp Electronic Equalizer,7-ban graphic equalizer (50Hz, 125Hz, 315Hz, 750Hz, 2.2Khz, 6Khz, 16Khz) 3.5mm Front aux input 2-channel RCA aux input with variable gain adjustments and high level speaker inputs THD: 0. 005% High Voltage (Max Output Voltage - 8V) Gold Plated Pre-Amp RCA Outputs - Front, Rear, and Subwoofer (with Variable Subwoofer Level Control on Front of EQ) Blue illumination independent master volume and subwoofer level Control with fader control select able 12Db low-pass Filter (60Hz or 90Hz) Included components: Installation Brackets and Hardware,Ground loop isolation circuit Dimensions: 7"(w)x4-1/4"(l)x1"(h)