Port: A WiFi Network Streamer With Built-in DAC Sonos, 43% OFF
Integra DRX-8.4 11.4 Channel Network Home Theater A/V Receiver with Dolby Atmos, Dirac Live Room Correction, Roon Ready, Works with Sonos, & Built-In ESS Sabre DAC | World Wide Stereo
The Sonos Port Isn't Bit Perfect - Bits and Bytes - Audiophile Style
Arcam - SonLink(Discontinued) - DAC for Sonos Zone Players