Function: 1. 7 adjustable bands: graphic equalizer housing with built-in low-pass filter, 7-band graphic equalizer (50 Hz, 125 Hz, 315 Hz, 750 Hz, 2,2 kHz, 6 kHz, 12 kHz). 2. Characteristics: 7-band car audio graphic equalizer with smooth gain adjustment and high-level speaker input, very practical to use. 3. With volume control: The car's audio graphic equalizer includes a light-independent main volume and a subwoofer control volume za using a volume control. 4. EQ parameter: The subwoofer frequency is 35-250 Hz, the signal ratio do of noise is 90 dB, channel separation is 70 dB, and the frequency response is 15 Hz-30 kHz (-3 dB). 5. Front Rear Sub Output: Car Audio Equalizer EQ, Front, Rear and Subwoofer Output, includes mounting brackets and screws for easy installation. Specification: Item Type: Car Audio Graphic EQ Material: metal Voltage: 11-15 V DC Preview Image Frequency: 50Hz, 125Hz, 315Hz, 750Hz, 2.2KHz, 6KHz, 12KHz Correction Range: 18dB Subwoofer frequency: 35-250 HZ Input Impedance: 10K ohms Signal Ratio do noise: 90dB THD: 0.05% Channel Separation Ratio: 70dB Frequency Response: 15Hz-30KHz (-3dB) Scope of application: universal How to use: Use directly List of packages: 1 x Graphic EQ Car Audio 1 x User Manual 4 x Screw 2 akcesoria