This is a replacement LEFT speaker assembly for Macb00k 12" A1534 2015 2016 2017 series laptops, and fix issues with sound output. An aging or malfunctioning speaker may have buzzing noises or cut out unexpectedly, restore your laptop's sound quality with this replacement part, NO soldering is required. Compatible Part Number(s): 821-1962-07, 821-1963-A, 821-1962-A, 821-1962-08, 821-1960-A A P/N: 923-00410 Reference Compatible with A1534: - MacB0ok8,1 A1534 Early 2015: BTO/CTO "Core M" 1.3 GHz" EMC: 2746 - MacB0ok8,1 A1534 Early 2015: MF855LL/A* "Core M" 1.1GHz" EMC: 2746 - MacB0ok8,1 A1534 Early 2015: MF865LL/A* "Core M" 1.2GHz" EMC: 2746 - MacB0ok9,1 A1534 Early 2016: BTO/CTO "Core m7" 1.3GHz 12" EMC: 2991 - MacB0ok9,1 A1534 Early 2016: MLHA2LL/A* "Core m3" 1.1GHz 12" EMC: 2991 - MacB0ok9,1 A1534 Early 2016: MLHC2LL/A* "Core m5" 1.2GHz 12" EMC: 2991 - MacB0ok9,1 A1534 Mid 2017: MNYG2LL/A* "Dual-Core Core i5" 1.3GHz 12" EMC: 3099 - MacB0ok9,1 A1534 Mid 2017: BTO/CTO "Core i7" 1.4GHz 12" EMC: 3099 - MacB0ok9,1 A1534 Mid 2017: MNYF2LL/A* "Core m3" 1.2GHz 12" EMC: 3099 What’s in the box 1x Left Speaker NOTE: If your screen is facing you, this is the speaker on the LEFT side of the device. See moreEach pack come with: 1x Left Speaker w/ Antenna Cable. (NOTE: If your screen is facing you, this is the speaker on the LEFT side of the device.). Compatible Part Number(s): 821-1962-07, 821-1963-A, 821-1962-A, 821-1962-08, 821-1960-A. for App1e Part#: 923-00410, 923-01077. Connector type: ZiF connector Plug In, NO soldering is required, fix issues with sound output. Compatible Model with A1534 2015 2016 2017: MF855LL/A, MF865LL/A, MLHA2LL/A, MLHC2LL/A, MNYF2LL/A, MNTG2LL/A; EMC: 2746/2991/3099. Compatible with Macbook Retina 12" A1534 Early 2015, Early 2016, Mid 2017 series. (CAUTION: NOT Fit for other Models).