Audiopipe 7 Band Parametric Graphic Equalizer with 9V Line Driver (EQ-707PAR）

PARAMETRIC GRAPHIC EQUALIZER: Adjust the frequency of each band to fine-tune the sound to match your car's best sound quality.  SEVEN VARIABLE FREQUENCY BANDS: Our 7 Band Parametric Equalizer allows you to adjust the precise frequencies for your audio system. NAMED BANDS: As an added plus, we have named each band to easily designate frequencies: Bass, Low, Mid Low, Mid, Mid High, High, and Super Hi(gh).  BOOST/CUT: Each band supports ± 12dB amplitude adjustment. VOLTAGE METER LED DISPLAY: This equalizer utilizes a voltage meter LED display for clear presentation of system voltage. INDEPENDENT SUBWOOFER LEVEL CONTROL: The volume of the subwoofer output can be independently controlled. VARIABLE 30-300Hz SUBWOOFER LOW-PASS FILTER: This equalizer has an excellent low-pass filter which allows you to adjust 30-300Hz frequency of the subwoofer.  VARIABLE 15-50Hz 12dB SUBSONIC FILTER: This equalizer has a built-in subsonic filter which eliminates sound frequency below 15-50Hz. 2 SELECTABLE BALANCED RCA INPUTS: This equalizer supports MAIN/AUX input, designed to meet your different audio sources. INDEPENDENT CHANNEL GAIN CONTROLS: This equalizer possesses independent channel gain controls used to adjust the input sensitivity. MAXIMUM OUTPUT VOLTAGE: 9V FRONT, REAR & SUBWOOFER RCA OUTPUTS: This equalizer applies three RCA outputs to drive front, rear, and subwoofer audio amplifiers. BLUE LED BACKLIT CONTROL KNOBS: This equalizer features blue LED backlit control knobs for fashionable visual effect. S/N RATIO: The output signal-to-noise ratio reaches 90dB. THD: 0.03% is the lowest possible distortion level for optimal clarity. Description: Effortlessly fine-tune your sound with our Parametric Graphic Equalizer. With seven variable frequency bands and +/-12dB boost/cut for each band, you can easily customize your music. The LED display shows frequency and voltage, while the independent subwoofer level control and variable filters provide even more control. With a 90dB signal-to-noise ratio and 0.03% THD, you'll experience crystal-clear, high-quality sound. Upgrade your audio game today!