Yamaha RX-V4A RX-V4A(B) AV Receiver Black 5.1ch 4K120Hz Amazon Music Alexa JAPAN | eBay
Amazon.com: Pyle 5.1 Channel Amplifier Speaker System - 300W Bluetooth Wireless Surround Sound Home Theater Audio Stereo Power Receiver Box Set w/Built-in Subwoofer, 5 Speakers, Remote, FM Radio, RCA PT589BT.6 : Electronics
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Bose Smart Soundbar 900 Home Theater Bundle (Black) 5.1.2-channel home theater bundle including Bass Module 500 and Surround Speakers 700 at Crutchfield
Amazon.com: Marantz NR1403 Slim Line 5.1-Channel Home Theater AV Receiver (Discontinued by Manufacturer) : Everything Else
Alexa-compatible Smart Home Products at Crutchfield