Matrix Element I2 Bluetooth Streamer Music Player Amp/dac All-in-one Headphone Amplifier Decoder Es9038q2m Airplay Dina Wifi - Desktop Digital Music Player - AliExpress
Griffin Twenty Audio Amp: AirPlay for your big, old college speakers | Engadget
Amazon.com: WiFi & Bluetooth 5.0 Mini Stereo Amplifier, 2 Channel Class D Wireless Amplifier , Home Amplifier for Speakers with spotify,airplay,Multiroom/multizone Digital Audio Speaker Amp-Arylic A30+ : Electronics
New Sonos Amp will support AirPlay 2 : r/HomeKit
Connect iPhone to wired speakers via AirPlay with this digital amp [Review] | Cult of Mac
New Sonos Amp delivers more power, supports AirPlay 2 and TV connectivity | Stark Insider
iFi Pro iDSD Signature Stereo DAC/preamp/headphone amp and music streamer with Apple AirPlay® at Crutchfield