Share: Title:Fosi Audio BT20A Mini Bluetooth Amplifier | Teardown and Test Duration: 11:55 Plays: 8.4K views Published: 1 year ago Download MP3 Download MP4 Simillar Videos ▶️ 0:40 Fosi Audio Bt30d 2.1 Channel Power Bluetooth 5.0 Amplifier With Bass And Treble Control 8.4K views • 2 years ago ▶️ 14:01 A Genuine Bargain? Fosi Audio V3 Amplifier Review 8.4K views • 1 year ago ▶️ 19:17 Fosi Audio Will Destroy The Hifi Establishment With The Za3 Amplifier 8.4K views • 9 months ago ▶️ 0:31 Fosi Audio V3 Official Trailer 8.4K views • 1 year ago ▶️ 12:04 Fosi V3 Mono Review. I Fried One! 🔥🤣 8.4K views • 5 months ago