和這裡 https://www.listeningpost.co.nz/news-tips/comparing-yamaha-rx-a2a-rx-v6a-receivers-__I.412975__N.25567 ...... Some of the upgrades of the RX-A2A over the RX-V6A include: 5th anti-resonance foot offers further chassis support IR in / out 3.5mm rear mounted inputs Upgraded Yamaha 'premium' remote control 10,000uF capacitors in the power supply vs the 8,200uF of the RX-V6A (giving greater reserves to handle dynamic audio swings) 4 year warranty (vs 2 years with the RX-V6A) Beefier chassis (10.2kg vs 9.8kg) with a front panel that matches the Aventage series styling.