Amplifier for Paralelling Headphone

The circuit is useful to strengthen the voice on the headphones, which is where the headphones have a stereo output is used and paralleled to some headphones. The circuit is based on the TDA2822 amplifier circuit modified to ampifier headphones.

In the amplifier circuit I do not put potensio meter to adjust the size of the desired sound on headphones, I just give constraints on two 33K resistors so that the voice issued not too hard. But if you want to make the sound volume settings, you can replace the 33K resistor with potensio meters or trimpot with resistance at 50K. Input voltage in the circuit I took it from a usb DVD, PC, which berkeluaran voltage 5 V DC, which can supply chain so it can work with the good. To parallel his headphones can be seen below...

Paralel Headphone Wiring Diagram

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