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Bluetooth Speaker

Bluetooth Audio SoC

  • General Info
  • Technical Spec
  • Applications
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General Info

Actions Bluetooth speaker series products provide high integration and high performance Bluetooth audio single chip solutions, which are mainly used in the market of portable Bluetooth speakers, Soundbar TV speakers, headsets, car Bluetooth products, etc., and can also be used as Bluetooth smart voice assistant with mobile phones.


Actions Bluetooth speaker series products provide complete specifications, leading performance. The full series supports Bluetooth 5.3 dual mode (classic MODE/LE MODE) or the higher version, Support APP/APK, TWS, local playback and multi-segment PEQ and DRC sound regulation, Some series of products support Audio Broadcast, Multi Point, HI-Res, audio effects adjustment and low latency mode. ATS283XP support LE Audio. Among them Audio Broadcast application supports several hundred speakers combination to play, the distance can be up to dozens of meters. Under low latency mode, Bluetooth transmission delay can be effectively reduced to 50ms or lower, which is suitable for occasions such as video watching and mobile games. Based on the LE Audio mode, the delay of ATS283X can be effectively reduced to 20ms or lower.


Now the main Bluetooth speaker chips are ATS2835P(L)、ATS2835、ATS2833PM、ATS2853P、ATS2853

Technical Spec PDF Download

BT Version
LE Audio
SPI Norflash
Max TX Power
Multi Point
Boradcast Audio
Audio Effect
Mic Effect
Light Effect
A2DP Consumption
ATS2835P(L) ATS2835 ATS2833PM ATS2853P ATS2853
BT Version V5.3 V5.3 V5.3 V5.3 V5.3
LE Audio yes(LC3&LC3+)
CPU 32bits RISC@264MHz 32bits RISC@240MHz 32bits RISC@264MHz 32bits RISC@240MHz 32bits RISC@234MHz
DSP 32bits DSP@342MHz 32bits DSP@400MHz 32bits DSP@342MHz 32bits DSP@400MHz
SRAM 498.5KB 336KB 498.5KB 336KB 203KB
SPI Norflash 32Mbits Flash 32Mbits Flash 16Mbits Flash 16Mbits Flash 16Mbits Flash
Max TX Power 11dBm 6dBm 10dBm 6dBm 10dBm
TWS(Source) BT/AUX/Card/Uhost BT/AUX/Card/Uhost BT/AUX/Card/Uhost BT/AUX/Card/Uhost BT/AUX/Card/Uhost
Multi Point
Boradcast Audio yes(CSB&Auracast) yes(CSB)
Audio Effect 32 Bands PEQ + MDRC + limiter + DEQ + Bass boost & 3D surround +multi speaker 20 Bands PEQ +MDRC +limiter + DEQ Malleus Audio Effect PEQ+DRC Bass boost & 3D surround 20 Bands PEQ +3 band MDRC +limiter + DEQ Bass boost & 3D surround 20Bands PEQ MDRC +limiter + Stereo widening + Bass Boost
Mic Effect NR and AEC for BT call(AI) + Karaoke effect (echo/ reverb/anti howling) NR and AEC for BT call NR and AEC for BT call NR and AEC for BT call NR and AEC for BT call
Light Effect yes yes yes
A2DP Consumption 16mA 24mA 16mA 24mA 16mA
Package QFN68 (8X8mm) QFN68 (8X8mm) QFN48 (6X6mm) QFN48 (6X6mm) QFN48 (6X6mm)


  • Portable stereo speaker
  • Bluetooth car audio
  • Bluetooth intelligent voice Assistant
  • Bluetooth stereo headset
  • other Bluetooth audio applications

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