Bose Acoustimass 10 IV - $4000
https://www.bose.hk/zh_hk/support/products/5_speaker_home_theater_support/am10_series4.html
Yamaha RX-V673 $1000
https://europe.yamaha.com/en/products/audio_visual/av_receivers_amps/rx-v673/index.html
Sonance SS4VC
http://www.sonance.com/electronics/speakers-selectors-volume-controls/speaker-selectors-with-volume-controls
有意請WTSAPP 65268745 (回覆快)