Chosen Solution
Hello everyone! So basically any sounds ( including the startup chime) this MacBook makes are corrupted (as shown on the video). It started for no particular reason.
The speakers are blown! You’ll need to see if you can isolate out if only one is damaged or both. Use the sound controller balance control to bias the music to the left or the right. The side that sounds off is the speaker that needs replacing. Sometimes both need to be replaced. MacBook Pro 13" Retina Display Late 2013 Left Speaker ReplacementMacBook Pro 13" Retina Display Late 2013 Right Speaker Replacement
replaced both speakers twice and the sounds quality is no better. only slightly better than how blown-speakers sounds. any recommendation where to buy good quality replacement?
