Amazon.com: iFixit Left Speaker Compatible with MacBook Pro 13" Unibody (Early 2011/Late 2011/Mid 2012) : Electronics
MacBook Pro Speakers Not Working [Fixed]
Mac-Axx™ Internal Speaker(Left + Right) Replacement Part Compatible with 15"-inch MacBook Pro with Retina Display Model No. A1398(Mid-2012 to Mid-2015), Color: Black, 90 Days Replacement Warranty : Amazon.in: Computers & Accessories
Amazon.com: Deal4GO Left & Right Internal Speaker Set Replacement for MacBook Pro 15" A1707 2016 2017 & A1990 2018 2019 : Electronics