EQ5 20 Channel Mni 5-Band Analog EQ Preamp Audio Equalizer Home/Car Audio Processor Stereo Pre-Amplifier _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ Features: 5-band EQ preamplifier: adopt 5PCS JRC4558 op amp, each one is responsible for one frequency band and process the audio signal independently. 5-band separate control knob, easily to control and set the freqency range as you like._x000D_ Bypass design suits more use: with bypass button to turn off EQ preamplification, the audio signal will output from IN to OUT directly without any processing, convenient to enjoy sound._x000D_ Attractive looking and powerful design: case and PCB panel, knurled knob, all I/O interfaces are gold-plated to ensure the tight connection and smooth transmission of the audio signal and minimizes the loss of the signal._x000D_ Mini size and powered by DC 5V: compact design easy to carry, convenient to use in most scenarios, no need to bring a separate power supply, very suitable for daily needs of most users._x000D_ _x000D_ Paramters: _x000D_ Audio input: stereo RCA / 3.5mm AUX _x000D_ Audio output: stereo RCA / 3.5mm AUX _x000D_ Input impedance: 50K_x000D_ Output impedance: 47_x000D_ Frequency response: 5Hz-154kHz_x000D_ THD: 0.003%@1KHz_x000D_ EQ Bands: 100Hz, 400Hz, 800Hz, 4KHz, 10KHz_x000D_ Bypass function: support_x000D_ Working voltage: DC 5V (500mA)_x000D_ Power interface: USB (type-C)_x000D_ Material: Plastic + metal_x000D_ colour: As shown_x000D_ _x000D_ Package Contents: _x000D_ 1 x EQ5 Preamp_x000D_ 1 x USB Cable (type-C)_x000D_ 4 x Rubber Feet mats_x000D_ _x000D_ Only the above package content, other products are not included._x000D_ Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm._x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_