Amazon.com: Yamaha 5.1-Channel Wireless Bluetooth 4K A/V Home Theater Receiver + Yamaha Easy-to-Install Natural Sound Moisture Resistant 6.5" High Performance in-Ceiling Speakers (Set of 6) : Electronics
Amazon.com: YAMAHA True X Speaker 1A Portable, Wireless, Surround Sound Speaker with Bluetooth. Works Exclusively with True X Sound Bars. Black : Electronics
Yamaha adds wireless rear capabilities to 2018 receivers - CNET
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Amazon.com: Yamaha 5.1-Channel Wireless Bluetooth 4K 3D A/V Surround Sound Multimedia Home Theater System : Electronics
Amazon.com: YAMAHA True X Speaker 1A Portable, Wireless, Surround Sound Speaker with Bluetooth. Works Exclusively with True X Sound Bars. Black : Electronics
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Amazon.com: YAMAHA MusicCast 50 Wireless Speaker for Streaming Music, Compatible with Alexa (White) : Electronics
Yamaha True X Speaker 1A (WS-X1A) Wireless battery-powered rear speaker with Bluetooth® for Yamaha True X sound bars at Crutchfield