MoerDuo Plus™ Firmware Update Hub

Stay up to date with the latest firmware releases, update information, and feature guides for MoerDuo Plus™ Auracast™ Receiver.

Latest Firmware Version

MoerDuo Plus™ (AHA02L)
Firmware Version: V5.2.4

Firmware Version V5.2.4 improves volume button response time by reducing button feedback delay. This version also includes all features introduced in V5.2.3, including the Pairing Lock & Unlock function for secure Auracast™ transmitter reconnection.

Firmware updates are delivered through the MoerLab Audio Control App.

Product Information

  • Product Model: AHA02L
  • Product Name: MoerDuo Plus™
  • Product Type: Auracast™ Receiver
  • Firmware Upgrade Method: MoerLab Audio Control App

Pairing Lock & Unlock Feature

Starting from Firmware Version V5.2.3 and later, MoerDuo Plus™ supports Pairing Lock and Pairing Unlock functions. This feature allows the receiver to reconnect with a specific Auracast™ transmitter and helps prevent unintended connections to nearby broadcasts.

Benefits

  • Automatically reconnects to the designated Auracast™ transmitter.
  • Prevents unintended connections to nearby Auracast™ broadcasts.
  • Ideal for conference rooms, classrooms, churches, museums, and assistive listening installations.
  • Supports secure deployment when Auracast™ encryption is enabled.

How to Enable Pairing Lock

  1. Connect MoerDuo Plus™ to the desired Auracast™ transmitter.
  2. Once audio is being received normally, press the multifunction button four times.
  3. The LED indicator will turn solid purple.
  4. Pairing Lock is now enabled.

How to Remove Pairing Lock

  1. Press the multifunction button four times again.
  2. The receiver will exit Pairing Lock mode.
  3. If the transmitter is still connected, the LED returns to the normal connected status.
  4. If no transmitter is connected, the receiver returns to Auracast™ pairing mode.

LED Behavior

Status LED Indicator
Pairing Lock Enabled Solid Purple
Pairing Lock Removed while Connected Purple Flashing
Pairing Lock Removed while Disconnected Purple Fast Flashing
Important:
Pairing Lock stores the currently connected Auracast™ transmitter information locally in the receiver. If the transmitter's encryption PIN is changed, the receiver must be paired and locked again.

Firmware Update History

Version Release Date Description
V5.2.4 2026 Improved volume button response time and reduced button feedback delay for smoother operation.
V5.2.3 2026 Added Pairing Lock and Pairing Unlock functionality for secure Auracast™ transmitter reconnection.

Update Instructions

  1. Pair your MoerDuo Plus™ Receiver with your smartphone through the Bluetooth settings.
  2. Launch the MoerLab Audio Control App.
  3. Select Firmware Update from the device menu.
  4. Follow the on-screen instructions to complete the firmware upgrade.

Important Notice

  • Ensure the device has sufficient battery before updating.
  • Keep your smartphone connected during the update process.
  • Do not close the MoerLab Audio Control App during the update.
  • The firmware update will be completed through the app.

If a manual firmware update is required, please contact support@moor-audio.com for assistance.

Downloads

MoerDuo Plus™ Pairing Lock Quick Guide

Learn how to lock or unlock pairing with a specific Auracast™ transmitter. Compatible with MoerDuo Plus™ devices updated to Firmware Version V5.2.3 or later.

Download Quick Guide →

MoerLab Audio Control App

Manage device settings, receive firmware update notifications, and perform OTA firmware upgrades directly from the app.

Learn More →

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