Eathtek Replacement Internal Speaker Speakers Left+Right Set for Apple Macbook Pro 15" Retina A1398 series, Compatible with part# MC975 MC976 ME664 Compatible Model Numbers: Apple Macbook Pro 15" Retina A1398 Compatible Part Number: MC975 MC976 ME664 Replacement and high quality,Replace your faulty, cracked or broken Internal Speaker Speakers Each Internal Speaker Speakers is tested before shipping All pictures are taken from the real item, please check carefully before bidding.