iMac 21.5″ A1311 Speakers $10.00 A1311 – Late 2009, Mid 2010, Mid 2011 Select One Choose an optionABClear iMac 21.5″ A1311 Speakers quantity Add to cart Add to Quote Continue Shopping Category: A1311 (21.5" iMac) Late 2009-Late 2011 Description Speakers for the 21.5″ A1311 A) Late 2009, Mid 2010 – Speaker Left – 922-9123 B) Late 2009, Mid 2010 – Speaker Right – 922-9124