BOSS Audio AVA1210 7-Band Car Stereo Equalizer Preamp Amplifier SUB RCA EQ LED

7 BAND PREAMP EQUALIZER. 7-Band Preamp Equalizer. RCA Input and Output Connectors. BOSS AUDIO AVA-1210. Gold plated RCA input connectors. The ability to boost or attenuate the sub level when an amp and subwoofer are connected to the subwoofer pre-amp output.