• 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.
• 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 original sound.
• Attractive looking and powerful design: all metal case and gold-plated PCB panel, aluminum knurled knob, all I/O interfaces are gold-plated to ensure the tight connection and smooth transmission of the original audio signal and minimizes the loss of the signal.
• 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.

• Audio input: stereo RCA / 3.5mm AUX
• Audio output: stereo RCA / 3.5mm AUX
• Gain: ±10dB
• Input impedance: 50KΩ
• Output impedance: 47Ω
• Frequency response: 5Hz-154kHz
• THD: 0.003%@1KHz
• EQ Bands:100Hz, 400Hz, 800Hz, 4KHz,10KHz
• Bypass function: support
• Working voltage: DC 5V (≥500mA)
• Power interface: USB (type-C)
• Dimensions(W*D*H): 120*60*38mm / 4.72*2.36*1.50in
• Net weight: 224g / 0.49lb
• Package weight: 400g / 0.88lb

User Manual & Driver of Douk Audio EQ5