you have.
MacBook Air (Original) Mono Speaker
MacBook Air (Late 200
Mono Speaker
MacBook Air (Mid 2009) Mono Speaker
MacBook Air (Late 2010) Stereo Speakers.
All models from late 2010 have Stereo Speakers
P
<span id="INSERTION_MARKER"> <span id="INSERTION_MARKER"> I recently bought a used macbook air (200
version on eBay but when I play sound it is only coming out the right side by the USB port. Does it not have a left speaker? (I'm used to using a white macbook which has the sound coming from the entire length of the hinge between the display and keyboard.

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