MacBook Retina 12" 2016 Headphone Jacks
MacBook 12" Retina (Early 2015-2017) Audio Board
Replace the circuit assembly that supports the audio in/out port.
Apple introduced this MacBook in April 2016, an updated version of the 2015 Retina MacBook, bearing the model number A1534 and the EMC number 2991. Available in four colors—silver, space grey, gold, and rose gold.