Actions Semiconductor holds a single MA-L block — F4:4E:FD — registered as "Actions Semiconductor Co.,Ltd.(Cayman Islands)", a Cayman-incorporated holding name for the Zhuhai, China fabless SoC maker (now operating as Actions Technology). These OUIs appear on Bluetooth-audio SoCs, MP3 and portable-media SoCs, smart-speaker and earbud SoCs, and low-cost tablet SoCs. The key analyst point is the chipset pattern: an Actions OUI can appear on white-label or low-cost Bluetooth speakers and earbuds built on Actions silicon, regardless of the brand on the box. With only one registered OUI, the footprint is small. For triage, an Actions OUI most likely indicates a budget Bluetooth-audio or media device built on Actions silicon, and the consumer brand is often unrelated to "Actions."
- IEEE assignment
- 1 prefix → "Actions Semiconductor Co.,Ltd.(Cayman Islands)" (F4:4E:FD); Zhuhai, China operations [Confirmed] — IEEE MA-L
- Registry / block size
- MA-L; 1 block [Confirmed] — maclookup.app (IEEE-sourced)
- HQ / country
- Zhuhai, China (corporate); IEEE entity registered under the Cayman Islands holding name [Confirmed] — maclookup.app
- Company status
- active (operating as Actions Technology) [Confirmed] — actions-semi.com
- Device types
- Bluetooth-audio SoCs, MP3/portable-media SoCs, smart-speaker/earbud SoCs, low-cost tablet SoCs [Confirmed] — maclookup.app
- Notable products
- ATS-series Bluetooth audio SoCs
- Verified prefix
- F4:4E:FD (MA-L) [Confirmed] — maclookup.app
- Special note
- Chipset-OUI flag. An Actions OUI can appear on white-label/low-cost BT speakers and earbuds built on Actions silicon regardless of brand. Small footprint (one OUI). The IEEE registry publishes no assignment dates, so none is stated here. [Confirmed]
- Related vendors
- peer audio-SoC makers (BES, Bluetrum) — not registrant-linked
- Analyst note
- An Actions OUI most likely indicates a budget BT-audio or media device built on Actions silicon; the consumer brand is often unrelated to "Actions."