This is a replacement audio board for the Retina MacBook Pro 15"..
Headphone jack connects to the logic board and provides a 3.5mm jack for headphones.
All parts tested and working just like they were when you bought your MacBook..
Part Numbers: 923-0097.
Printed Number: 821-1548-A.
<li class="maclist-li"><h4>Compatible with : </h4>
<ul>
Pro Retina 15 (A1398, Mid 2012/ Early 2013).