Iím currently using a teensy 3.5 with two audio boards in a diy Bluetooth speaker. Bluetooth is added by stand alone Bluetooth module.

For the next project I want to upgrade to teensy 4.1 with audio board and add a esp32 as Bluetooth sink. In order to get a third pair of inputs I want to keep quad channel audio boards and add the Bluetooth by I2S. Do I have to use the second I2S channel on for esp32 and can still use the quad channel audio modules on first I2S port?

Not sure if this thread already solved the problem (https://forum.pjrc.com/threads/57301...-Stream-to-I2S)

In addition I want to control WS2815 stripes with the teensy 4.1

Kind regards