Laptop Audio-Out Splitter


Posted on Feb 4, 2014

This active splitter for laptop audio-out is powered from a USB and provides individual channel gain of 39 dB and individual volume control of a head-phone channel. The circuit uses two TDA2822M audio power amplifier ICs for head-phones/small speakers. Each 8-pin DIP TDA2822M has two audio power amplifiers: one to serve the left channel, and the o


Laptop Audio-Out Splitter
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ther for the right channel (stereo). Therefore to get a two-headphone output, you require four amplifiers or two pieces of TDA2822M. This laptop audio-out splitter boosts the bass. However, it introduces a slight hiss (noise), which actually improves the listening experience, and is susceptible to interference from mobile phones.




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