Check the listing for details. NEW! Car In Dash 5 Band Parametric Equalizer & Pre-Amp Subwoofer Gain Control. Condition: New. Listed at 39.50 USD. NOVA NV-EQ6J - In Dash 1/2 Din Equalizer and Pre-Amp with Subwoofer Gain Control and Built-in Crossover, with Fader and Five-Band ? Five-Band Stereo Equalizer ? Subwoofer Frequencies Adjustable 35Hz / 250Hz ? Dimensions: 1? (H) x 6 7/8? (w) x 3 13/16? (D) ? Active Gain Pre-Amplifiers with Adjustable input Sensitivity ? 2-Channel RCA AUX Input ? Universal Half-Din Chassis For Ease of Installation ? Individual left And right input Sensitivity Controls for Dvd Input ? Adjustable Gain with up to 8v Output ? Low Noise bi-Fet op-Amp Design Yields Minimum Distortion ? On-board 30v Bi-Polar switching Power Supply ? Subwoofer Output and level Controls ? Gold-Plated RCA Input Connectors ? 20dB Headroom Eliminates Signal Overload ? Main / Dvd input Selector