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Bluetooth> Audio>AB1511J

General Description

AB1511J is an optimized single-chip solution which integrates baseband and radio for mono headset and speaker applications. It complies with Bluetooth system version 4.1 with EDR function. It contains a powerful 48MIPS dual-MAC DSP coprocessor for enhanced audio applications. The built-in noise reduction and echo cancellation functions enhance the voice quality. The integrated audio codec supports stereo line-input with bypass mode and mono output. Advanced multipoint supports HFP connection to two handsets for voice, or two A2DP sources for music play back. AB1511J’s advanced voice prompt function can be customized by customers for different voice commands. AB1511J supports “AiroStereo” which two speakers can connect to each other, play left channel in one speaker and play right channel in another speaker as a wireless stereo system. AiroStereo can let end users have great stereo experience without wire connection.


  • Compliant with Bluetooth 4.1 specification
  • Support EDR function
  • A2DP profile version 1.3 compliant
  • HFP profile version 1.6 compliant
  • HSP profile version 1.2 compliant
  • AVRCP profile version 1.5 compliant
  • SPP profile version 1.2 compliant
  • Embedded 48MIPS dual-MAC DSP coprocessor
  • Support for noise reduction and echo cancellation
  • Multi-band configurable EQ
  • Support for packet loss concealment
  • Multipoint for HFP and A2DP
  • Support for voice prompt
  • Integrated Li-ion battery charger supports 400mA fast charging and over-discharging protection
  • Integrated 1.25V Buck and 3V/1.8V LDO regulator