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6% OFF Amplificador estéreo TPA3116 Classe D Bluetooth 5.0 HIFI 2x50W com suporte USB TF Card RCA AUX USB Stick US$35.79 US$37.99 View It

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OneTransistor 22/04/2021

It looks good and it sounds good. Easy to connect via Bluetooth with phone or laptop. Volume control is digital, with encoder. The TPA3116 does not have a heatsink, but this is no problem since it does not get hot during common usage. The digital part (including USB port) is powered from a linear 78M05 regulator. Keep this in mind when plugging anything in the USB port (the maximum current supplied by this regulator is 0.5 A and it will get quite hot). FAT32 formatted USB thumb drive works great but do not plug external hard drive that requires higher current.

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