August WR320 Wireless Bluetooth WIFI DLNA Airplay Receiver for Speaker/Amplifier Multiroom Music Audio Adapter with Cable|receiver wifi|receiver wirelessreceiver amplifier - AliExpress
AirPlay 2 Audio Adapter with Optical + 3.5mm | Belkin | Belkin: US
Belkin Soundform Connect review: AirPlay 2 adapter for legacy speakers
Amazon.com: Belkin SoundForm Connect AirPlay 2 Adapter & Airplay 2 Receiver - Wireless Streaming for Apple Devices to Bluetooth Speakers - Optical & 3.5mm Speaker Inputs for iPhone 14, 13, MacBook Pro & More : Electronics