923-00030 Pair of Left and Right Speakers, A1418 for iMac NB-5872W
This is a replacement speaker set for the iMac 21.5-inch released in Mid 2014.
Apple part number: 923-00030
Compatible models: iMac (21.5-inch Mid 2014), A1418
923-00030 Pair of Left and Right Speakers, A1418 for iMac