Qqmora Universal 7- Band Car Audio Graphic Equalizer with Variable Gain Adjustment High Level Input for Enhanced Stereo System Performance

["[Chassis Graphic Equalizer with Low Pass Filter] Built-in low pass filter with 7-band graphic equalizer featuring various frequency options for precise sound adjustments.","[Subwoofer Output and Easy Installation] Subwoofer frequency range of 35-250hz, along with front, rear, and subwoofer outputs. includes mounting brackets for effortless installation.","[Independent Volume Control] Main volume and subwoofer control with separate volume controllers for customized sound output.","[Crystal Clear Audio Quality] High signal-to-noise ratio of 90db, channel separation ratio of 70db, and wide frequency response of 15hz-30khz (-3db) for exceptional sound clarity.","[Variable Gain Adjustment and High-level Input] Easily adjust gain and connect to high-level speakers for optimal audio performance."]