1. Stereo two-channel/four-channel audio input is mixed into one stereo output, which can directly drive headphones or power amplifier
2.3.5mm headphone jack, potentiometer separate control each channel volume does not affect each other, the power supply is DC5V-12V, the magnification is about 2 times.
3. The quiescent current is about 8ma. It adopts NJM3414 low-voltage and high-current operational amplifier, and the maximum driving current is 70ma, which easily drives various earphones and external power amplifiers.
4. Please use low ripple power supply, please use shielded cable for audio cable.