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From Yamaha: http://faq.yamaha.com/us/en/article/audio-visual/av-receivers-amps/rx/rx-v479_black_u/10915/8734 A (Aventage) is a higher grade than the RX series. Higher quality components, one year additional warranty.
Sorry, there was a problem. Please try again later.The Yamaha RX V479BL features more power and a bluetooth interface that the A550BL does not have.
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