Bluegiga WT32 Bluetooth® Audio Module

Not Recommended for New Designs - For new designs we recommend the pin compatible WT32i Bluetooth Audio Module.

The WT32 is a Bluetooth 2.1 + EDR module dedicated for Bluetooth audio applications. In addition to Bluetooth radio, antenna and iWRAP Bluetooth stack, the WT32 contains a DSP processor, a stereo audio codec and a battery charger making it ideal for portable battery Bluetooth stereo or hands-free audio applications. The WT32 constitutes an ideal solution for developers that want to quickly integrate the latest Bluetooth audio technologies into their design without investing several months into Bluetooth radio and stack development. In addition to the standard Bluetooth audio profiles, the WT32 can also support aptX® audio coding technology, offering outstanding Bluetooth Stereo audio quality, CVC audio enhancement software for hands-free applications and Apple iAP profile enabling OEMs, to create really unique and differentiated audio products.

Module Benefits

Fully Integrated Bluetooth Solution:

  • Low development costs
  • Fast time-to-market

Other Bluetooth Profiles

  • Bluetooth SPP and Apple iAP profiles

Bluetooth Qualified:

  • Proven interoperability
  • No qualification costs

Co-existence with Bluegiga's Wi-Fi Products

Audio Profiles and Features:

  • Integrated A2DP, AVRCP, HFP v.1.6, HSP and PBAP
  • On-board DSP and stereo codec
  • aptX and CVC software

On the Field Upgradeable

Module Specifications

Radio Features:

  • Bluetooth v.2.1 + EDR
  • Bluetooth class 2 radio
  • Transmit power: +7 dBm
  • Receiver sensitivity: -86 dBm
  • Integrated chip antenna or W.FL connector

Audio Features:

  • Analog, I2S, PCM and SPDIF interfaces
  • Microphone input
  • Integrated DSP
  • Integrated stereo audio codec

Hardware Features:

  • UART host interfaces
  • 802.11 co-existence interface
  • 10 software programmable IO pins
  • Li-Ion and Li-Poly battery charger
  • Operating voltage: 1.8 V to 3.6 V
  • Temperature range: -30 °C to +85 °C


Dimensions: 35.75 mm x 14.50 mm x 2.6 mm


  • Bluetooth
  • CE
  • FCC and IC
  • Japan


Contact Sales Contact Sales
Loading Results