Case Studies

Lead Times Update 31 Jan 2024

LM Technologies is continuously liaising with suppliers to reduce any lead times where possible. We have updated lead times for new orders for the following products: LM811 – 8-10 Weeks…

Bluetooth® 5.1 Audio Module – LM971

£100.00

The LM971 is a programmable Bluetooth® 5.1 audio module based on an extremely low power architecture which has been designed for use in Bluetooth® stereo headsets and speakers, and supports Qualcomm aptX™. This module is engineered for low power performance even in demanding use cases, supporting longer battery life in virtually all operating modes.

Available: Out of stock

  • Tech Spec

    Additional Information

    Wireless Standard
    • BT 5
    Backward Compatibility
    • Bluetooth 4.2
    • Bluetooth 4.1
    • Bluetooth 4.0
    • Bluetooth 3.0
    • Bluetooth 2.1
    • Bluetooth 2.0
    Frequency

    2.4 GHz

    Module Type
    • Programmmable
    Interfaces
    • AIO
    • GPIO
    • I2S
    • PCM
    • SPI
    • I2C
    • UART
    Antenna

    IC Antenna

    Dimensions
    • 13.9mm X 13mm X 3.1mm
    Operating Temperature
    • -40°C to +85°C
    Bluetooth Technology

    Dual Mode, Bluetooth Low Energy (LE)

    Compliance
    • Reach
    • RoHS
    • WEEE
    Technology

    Bluetooth®

  • Description

    Bluetooth® 5.1 Audio Module - LM971

    The LM971 is a programmable Bluetooth® 5.1 audio module based on an extremely low power architecture which has been designed for use in Bluetooth® stereo headsets and speakers, and supports Qualcomm aptX™. This module is engineered for low power performance even in demanding use cases, supporting longer battery life in virtually all operating modes. The LM971 offers powerful multi-core processing, designed to enable complex use cases, and helps to support premium audio technologies. The onboard antenna makes this module ready to be added as a complete wireless audio solution to any project. With options for analog and digital audio inputs and outputs, as well as aptX™ codecs, third-party DAC support and Truewireless™ functionality, the LM971 offers a wide range of top quality audio features.

    Typical Applications

    • Wireless headphones and speakers
    • Hand-free headsets
    • Automotive infotainment systems
    • Home entertainment devices
    • Portable DAC and headphone amplifiers
    • Audio adapters
  • Features

    • Qualcomm TrueWireless™ Stereo support
    • aptX™ HD and cVc noise cancellation options are supported
    • Ultra-low power consumption with A2DP streaming as low as 4.8 mA
    • Configurable DSP Interfaces
    • Integrated battery charging
    • Thermistor supported options
    • Programmable audio master clock (MCLK)
    • 1 x bidirectional 24-bit I²S interface
    • Digital microphone inputs with the capability to interface with up to 6 digital microphones
    • Stereo analogue outputs configurable as differential Class-AB headphone outputs or differential high effciency Class-D outputs
    • Over-The-Air (OTA) firmware upgrade support

Case Studies

Lead Times Update 31 Jan 2024

LM Technologies is continuously liaising with suppliers to reduce any lead times where possible. We have updated lead times for new orders for the following products: LM811 – 8-10 Weeks…

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Bluetooth® 5.1 Audio Module – LM971

The LM971 is a programmable Bluetooth® 5.1 audio module based on an extremely low power architecture which has been designed for use in Bluetooth® stereo headsets and speakers, and supports Qualcomm aptX™. This module is engineered for low power performance even in demanding use cases, supporting longer battery life in virtually all operating modes.

The LM971 offers powerful multi-core processing, designed to enable complex use cases, and helps to support premium audio technologies. The onboard antenna makes this module ready to be added as a complete wireless audio solution to any project.

With options for analog and digital audio inputs and outputs, as well as aptX™ codecs, third-party DAC support and Truewireless™ functionality, the LM971 offers a wide range of top quality audio features.

Typical Applications

  • Wireless headphones and speakers
  • Hand-free headsets
  • Automotive infotainment systems
  • Home entertainment devices
  • Portable DAC and headphone amplifiers
  • Audio adapters

Additional information

Wireless Standard
  • BT 5
Backward Compatibility
  • Bluetooth 4.2
  • Bluetooth 4.1
  • Bluetooth 4.0
  • Bluetooth 3.0
  • Bluetooth 2.1
  • Bluetooth 2.0
Frequency

2.4 GHz

Module Type
  • Programmmable
Interfaces
  • AIO
  • GPIO
  • I2S
  • PCM
  • SPI
  • I2C
  • UART
Antenna

IC Antenna

Dimensions
  • 13.9mm X 13mm X 3.1mm
Operating Temperature
  • -40°C to +85°C
Bluetooth Technology

Dual Mode, Bluetooth Low Energy (LE)

Compliance
  • Reach
  • RoHS
  • WEEE
Technology

Bluetooth®