We are pleased to announce that as of August 13, 2015, Qualcomm Global Trading Pte. Ltd., a subsidiary of Qualcomm Incorporated, has completed its acquisition of CSR plc. For more information, please see the press release .


QFN single-chip audio ROM device for 1-mic handsfree portable mono Bluetooth® speakers/speakerphones, 1-mic mono headsets and 1-mic hands-free car-kits.

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  • Bluetooth 4.1
  • HFP1.6, A2DP1.2 and  AVRCP1.4
  • HD voice (wideband speech)
  • Advanced Multi-point (2xHFP, 2xA2DP)
  • Wired Audio (Stereo Line-in)
  • Music Enhancements (Multi-band EQ)
  • iOS battery status monitor
  • Smart Apps support (GAIA)
  • Multi-Language programmable audio prompts
  • Configurable LED drivers
  • 6th generation cVc®
    • 1-mic Far-end NR / AEC algorithms for headset
    • 1-mic Far-end NR / AEC algorithms for handsfree
    • Frequency enhanced speech intelligibility (FESI)
  • Single-chip solution for portable mono Bluetooth speakers / speakerphones, 1-mic mono headsets and hands-free car kits
  • Highly integrated single-chip in QFN package for low eBOM and reduced manufacturing costs
  • Delivers a quality Bluetooth audio experience to cost sensitive products 

Key Feature

Value to Customer

Value to User


High quality audio streaming from mono speakerphone

Go-anywhere portable music and speakerphone accessory


Smart Apps support (Using GAIA)


Use Apps for product differentiation


Interactive accessory

Enhanced User experience



Multi-Band EQ

Volume Boost


Fully configurable  EQ (5-band / 6-banks). Dynamic volume boost / cut

Up to 6 user selectable preset  EQs for high quality sound with no distortion

Audio Inputs

Extends use of to devices that don’t have Bluetooth

Connect to wired legacy media player device

cVc Hands-free

Speakerphone for  WBS hands-free calls without experiencing echo

Enables user to take HD Voice hands-free calls

Rapid Charge Support

Support higher charge currents and eliminate need for external battery charger

Charge Speakerphone accessory must faster


Terms of Supply

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