CSR8645 4.0 low-power Bluetooth audio module / support APTx lossless compression high-quality speaker amplifier Master chip CSR8645 Bluetooth stereo audio module can call Bluetooth headset The phone can be connected to two Bluetooth 4.0 CSR better sound quality,good wall effect, APT-x high-quality transmission DIY Tutorial & module data published the first edition, we hope to Read more about CSR8645 4.0 low-power Bluetooth audio module / support APTx lossless compression high-quality speaker amplifier[…]