Smart USB speakers pump up the volume from laptops
The tinny fizz produced by most laptops' built-in speakers makes them far from ideal for listening to music.The sound from existing computer-powered external speakers is often disappointing because the USB port, from which they get their power, can supply only 2.5 watts.But this USB-powered system that can deliver up to 15 watts to each speaker.
The system determines exactly when to raise the voltage and unleash the stored power
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