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chen489
84%Seller Score
8 Followers
Shipping speed: Average
Quality Score: Excellent
Customer Rating: Good
This is a stereo audio mixing board with four audio inputs mixed into one stereo output.(Four Input.One Output)It can directly drive the headphones or connect the amplifier, the interface is 3.5mm stereo socket.The Working Power Supply DC 5V-12V DC5.5*2.1, and the magnification is about 2 times.Each potentiometer individually controls the volume of each , and the volume does not affect each other.The quiescent current is about 8ma, and the NJ414 low-voltage and high-current operational amplifier is used. The maximum driving current is 70ma, which easily drives various earphones and external amplifiers.
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