Denon HEOS Amp (Series 1) Amplified wireless music player at Crutchfield
HEOS - AVR - Using the HEOS Link or Amp
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
Amazon.com: Denon HEOS Link Wireless Pre-Amplifier For Multi-Room Audio - Series 2 (New Version), Amazon Alexa Compatibility, Powered Subwoofer Connection, Black with Silver, 2.91 x 6.14 x 5.83 : Electronics
Best Buy: Denon HEOS AMP HS2SR 200W 2.1-Ch. Wireless Class D Amplifier Black and Gunmetal HEOSAMPHS2SR