USB powered power amplifier for your PC

USB Powered power Amplifier for you PC

I faced this article when I was looking for simple solution how to increase the output of my integrated sound card of my PC. I don’t know why, but the sound level of it decreased so I can’t normally listen with my headphones. So this article is about how to increase the power of your PC sound card by using minimal amount of parts and USB power supply.

This might be good solution to all of those who have PC with integrated sound card into motherboard. The main problem is that outputs of such sound cards are for active acoustic systems, this means that speakers must have power amplifier built in. If you decide to connect a headphones sometimes it might be not enough to provide required sound level.

If you are an electronics amateur, you can solve this very easily. You may build your simple power amplifier by using well known Philips operational amplifiers. Lets say we use TDA7053 amplifier. The TDA7053 is an integrated class-B stereo power amplifier in a 16-lead dual-in-line (DIL) plastic package. Which requires minimal amount of external parts.

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