We have tested the Denon HEOS multiroom APP! - Perfect Acoustic
Denon 8" Wireless Home Subwoofer with HEOS DENONHOMESUB B&H
Amazon.com: Denon HEOS AMP - Wireless Amplifier for Home Theater (New Version) | High Power Rating | Make Any System Wireless | Powered Subwoofer Connection | Smart Home Automation Integration | Alexa Compatible : Electronics
Denon HEOS HEOS 5 HS2 Bluetooth Speaker System, Black - Walmart.com
Denon Heos Link HS2 Streaming Media Player Black and Gunmetal HEOSLINKHS2SR - Best Buy
Denon HEOS Wireless Multiroom Stereo Amplifier - Series 2 (Black) | World Wide Stereo