Feature:

1.Stereo four-channels audio input is mixed into one stereo output, which can directly drive headphones or

power amplifier,

2.3.5mm headphone jack, potentiometer separately control each channel volume does not affect each other.

3.power supply is DC DC5V-12V , the magnification is about 2 times .

4.The maximum driving current is 70ma, which easily drives various earphones and external amplifiers.

5.Please use low ripple power supply, please use shielded cable for audio cable

6.The power interface is a common 5.5*2.1mm DC interface.

Specification:

Size: 40*99mm

Model: motherboard / motherboard plus shell (optional)

Package includes (optional)

1 *Motherboard + 1*Audio cable

or

1 *Motherboard finished + 1*Audio cable

Note: 

The product motherboard color is black, thanks!