Description: Car Audio Equalizer: Car audio equalizer featuring 7 bands, with variable gain adjustment and high level speaker input, designed to divide and enhance the segment of frequency for your car audio application, practical in use. Functions: EQ equalizer is to support two audio input modes, 4 channel audio input, and distribute two subwoofer output channels, front left and right channels, rear left and right channels, total of six channels output. Through the panel two subwoofer outputs can be adjusted for the subwoofer point and the volume of the subwoofer. At the same time, the simulated four channels can be adjusted for seven frequency bands in the audio frequency range of 63Hz to 12kHz through the panel adjustment function, enhances your sound experience in the car. 2 channel Input: 7 band parametric equalizer, Allowed CD and Aux (2 channel) input with gain knob to adjust aux volume, also a CD & AUX input button could switch flexibly to another mode input. Applicable Voltage: This car equalizer is supplied by DC 12V power. Premium Material: Car graphic equalizer amplifier, Strong metal chassis with fine quality rotary knobs for all controls to enhance your tips feeling. Specification: Material: Iron Size: 185mmx120mmx30mm/7.28inchx4.72inchx1.18inch Applicable Voltage: DC 12V Output line: Six channel (four way power amplifier, two way subwoofer) Input line: CD 2 external AUX input Package Includes: 1Pcs Car Audio Equalizer Note: Please allow slightly errors due to manual measurement and different monitors.