Fosi Audio BT20A Pro amplifier inside - changing opamps HiFi Zone 3:06 1 year ago 6 959 Скачать Далее
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This Amp Hack is Changing the Hifi Industry! No more Gate Keeping cheapaudioman 14:27 5 months ago 77 347 Скачать Далее
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Fixed! Fosi Audio BT20A Pro Overheating problem #fosiaudio #diy #audiophile #thinksimple #costless MotoKalikot_TV 0:50 10 months ago 12 415 Скачать Далее
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OP Amp Swapping: Is It the Key to Better Sound Quality or a Waste of Time? Michael Andrew 5:59 1 year ago 25 426 Скачать Далее
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