Was there a seperate I2S connector or do you mean they&#x27;re not routing those connections to the GPIO any more?  I believe this board: <a href="https:&#x2F;&#x2F;www.hifiberry.com&#x2F;" rel="nofollow">https:&#x2F;&#x2F;www.hifiberry.com&#x2F;</a> and the various other similar boards just connect via GPIO and use I2S