None of the Android TV boxes of this list support ARC, that's more available in soundbars and AV receivers:
Certified AndroidTV/GoogleTV boxes for the US only:
- AirTV Mini (More info at airtv.net/products )
- AT&T TV (More info at att.com/tv/device-features )
- Tivo Stream 4K (More info at www.tivo.com/products/stream-4k )
- T-Mobile TVision HUB (More info at t-mobile.com/tvision/services/hub )
- Verizon Stream TV (More info at verizon.com/products/verizon-stream-tv-gen-2 )
Certified AndroidTV/GoogleTV boxes for the US, OR Europe OR the rest of the world:
- Chromecast with Google TV (more info at tv.google )
- Dynalink TV Box (More info at dynalink.life )
- Formuler GTV (Prime Video only. Gigabit ethernet. More info at formuler.tv/gtv )
- JBL Link Bar (It doesn't have a USB port. More info at jbl.com/refurbished-home-speakers/JBL+LINK+BAR-.html )
- Mecool KM6 Classic Edition (Prime Video only. 10/100 ethernet. AV1 hardware decoding. 2GB of RAM. More info at mecoolonline.com where you can get a 15% off with the code "mecoolbox" at checkout)
- Mecool KM6 Deluxe Edition (Prime Video only. Gigabit ethernet. WiFi 6. AV1 hardware decoding. 4GB of RAM. More info at mecoolonline.com where you can get a 15% off with the code "mecoolbox" at checkout)
- Mecool KD1 TV Stick (Prime Video only. 2GB of RAM. 16GB ROM. WiFi 5. More info at mecoolonline.com where you can get a 15% off with the code "mecoolbox" at checkout)
- Minix Neo T5 (No Netflix/Prime Video. Gigabit ethernet. Remote control doesn't have a microphone. More info at minix.com.hk/products/neo-t5 )
- Nokia Streaming Box 8000 (Only for Europe. More info at nokia.com/shop/streaming-devices/nokia-streaming-box-8000
- Nvidia Shield TV (The most expensive but powerful. More info at shield.nvidia.com )
- Xiaomi Mi TV Stick (up to 1080p only. More info at mi.com/global/mi-tv-stick )
For more info about all certified Android TV devices, head over to www.androidtv-guide.com website.
You don't need ARC on an android tv box, ARC is for sending sound from tv or devices connected to a tv to soundbar/receiver.