AudioBL Combo Bluetooth/Toslink/SPDIF Coaxial 3 in 1 Audio Interface Board TSA1452B How to enable the PIN

How to enable the PIN code

How to burn the Bluetooth firmware

5V microUSB or DC9-30V Power input

TSA1452B works with stereo amplifier board

AudioBL Combo Bluetooth/Toslink/SPDIF Coaxial 3 in 1 Audio Interface Board TSA1452B How to enable the PINAudioBL Combo is a 3 in 1 audio interface board that supports Bluetooth, Toslink SPDIF, and coaxial inputs. It can convert Bluetooth Toslink SPDIF signal to I2S output. You can use it to work with our DSP amplifier board and build a multi audio interface amplifier board. No external power supply is required; simply plug it into the AudioB interface socket for immediate operation. A short press of the onboard button enables cyclic switching of audio