6 Channel 7-Band High Performance Car Audio 1/2 DIN Pre-Amp Electronic Equalizer Featuring 2 (Balanced & Selectable) RCA Inputs - Main and Auxiliary (Aux w/ Variable Gain Control) | THD: 0. 005% High Voltage (Max Output Voltage - 7V) Gold Plated Pre-Amp RCA Outputs - Front, Rear, and Subwoofer (with Variable Subwoofer Level Control on Front of EQ) 7 Fully Adjustable -12 dB to +12 dB EQ Bands (50 Hz, 125 Hz, 320 Hz, 750 Hz, 2. 2 kHz, 6 kHz, 16 kHz) with Built-in Fader Control Take Full Control Over Your Car Audio System with this EQ | Signal-to-Noise Ratio: 100 dB, Low Pass Frequency Switch: 60 Hz / 120 Hz Includes Installation Mounting Brackets and Hardware | 20 dB Headroom Eliminated Signal Overload Included components: Installation Brackets and Hardware