Inside the Fosi Audio BT20A 2020 - Teardown and Test HD
Fosi Audio BT20A TPA3116 MINI POWER AMPLIFIER Class D Integrated Amp Bluetooth 5.0 100W x 2 Main Components Found Inside: - 2 x TPA3116D2 (https://www.ti.com/product/TPA3116D2) - 3 x NE5532 Ti chips (https://www.ti.com/lit/gpn/ne5532) - 4 x 1000 micro farad 25v Capacitors NXA Sam young (https://www.samyoung.co.kr/product/product_info.asp) - 1 x QCC3003 Bluetooth 5.0 Qualcom Chip (https://www.qualcomm.com/products/qcc3003) - 1 x OMRON G6K-2P-YGg (https://omronfs.omron.com/en_US/ecb/products/pdf/en-g6k.pdf) - 2 x Output LC Filters / Low band filters - 1 x Power Switch and 1 x Dual Color LED (Blue/Red) Fosi Audio BT20A Bluetooth 5.0 Stereo Audio 2 Channel Amplifier: https://amzn.to/2EVFkHZ Music used to test the Amplifier: The 50 best free songs of 2019 on Audio Library (https://youtu.be/LpR88Qbb200) Power Adapter: 24V/4.5A DC Input Range: 12-24V Terminating Impedance: 2 Ohm - 8 Ohm MAX Power Output: 100W x 2 THD ≤ 0.04% Frequency Range: 20Hz - 20kHz (±1 dB) SNR ≥ 98dB Input Sensitivity ≤ 280mV Input Mode: Bluetooth and RCA Bluetooth Transmission Distance