Simple compact design but practical and powerful, little Hi-Fi Bluetooth wireless amplifier for home aduio system speaker exclusively designed for the customers who pursue HiFi sound. Bluetooth 5.0 core, up to 50ft connection range guarantees low signal delay. No pop, no audible noise when Bluetooth connection is established. BT20A Bluetooth stereo receiver amplifier adopts 2PCS Texas Instruments TPA3116D2 chip. The…