MOREGAX 5.1 Bluetooth Receiver M12 Pro Instruction Manual

1. Introduction

The MOREGAX M12 Pro is a versatile 5.1 Bluetooth audio receiver and transmitter designed to enhance your home audio experience. It allows you to wirelessly stream audio from your devices to your home stereo system or speakers, and transmit audio from non-Bluetooth sources to Bluetooth headphones. This device supports various audio inputs and outputs, including RCA, 3.5mm AUX, USB, TF Card, Optical, and Coaxial connections.

Image 1.1: MOREGAX M12 Pro Bluetooth Receiver and Transmitter.

2. Key Features

Bluetooth 5.3 Technology: Ensures fast, stable, and high-quality wireless audio transmission.
Receiver (RX) & Transmitter (TX) Modes: Functions as both a Bluetooth receiver for traditional audio systems and a transmitter for non-Bluetooth devices.
Multiple Audio Interfaces: Supports RCA, 3.5mm AUX, USB, TF Card, Optical, and Coaxial connections for broad compatibility.
Remote Control: Conveniently manage settings and playback from a distance.
Audio Adjustment: Independent controls for Bass, Treble, and Volume.
RGB Ambient Lighting: Customizable lighting modes for visual enhancement.
Dual Link Support: Connects to two Bluetooth headphones simultaneously in Transmitter mode.
High-Performance Audio: Equipped with Qualcomm Bluetooth 5.2 (as shown in image) and Nuvoton DSP for enhanced sound quality, supporting aptX HD, aptX LL, aptX, AAC, and SBC codecs.
Extended Range: Provides a wireless range of up to 33-66 feet (10-20 meters) in unobstructed environments.

Internal components of MOREGAX M12 Pro showing Qualcomm Bluetooth 5.2 and Nuvoton DSP

Image 2.1: Internal components featuring Qualcomm Bluetooth 5.2 and Nuvoton DSP.

Diagram showing aptX HD, aptX LL, aptX, AAC, and SBC codec specifications and latency

Image 2.2: Supported Bluetooth audio codecs and their performance.

3. Package Contents

Verify that all items are present in the package:

MOREGAX M12 Pro Adapter
Remote Control
RCA Audio Cable (x1)
3.5mm AUX Audio Cable (x1)
Type-C Power Cable (x1)
Quick User Guide

Diagram showing all items included in the M12 Pro package: adapter, remote, RCA cable, AUX cable, Type-C cable, and quick user guide

Image 3.1: M12 Pro Package Contents.

4. Product Layout and Controls

4.1 Device Overview

Front and rear view of the MOREGAX M12 Pro showing all ports and controls labeled

Image 4.1: Front and Rear Panel Layout with labeled interfaces and controls.

4.2 Front Panel Controls

Digital Display: Shows current mode (RX/TX), codec (APTX, LL, HD, AD, SBC, AAC), and connection status.
Bass Control Knob: Adjusts bass levels.
Treble Control Knob: Adjusts treble levels.
OFF/VOL Knob: Power on/off and volume control.

Close-up of the M12 Pro front panel with digital display, bass, treble, and volume controls labeled

Image 4.2: Front Panel Controls.

4.3 Rear Panel Connections

AUX (IN/OUT): 3.5mm audio jack for analog input/output.
RCA (IN/OUT): Red and white jacks for analog input/output.
Coaxial (IN): Digital audio input.
Optical (IN): Digital audio input.
Type-C: Power input (DC 5V).
Bluetooth Antenna Connection: For external Bluetooth antenna.

Close-up of the M12 Pro rear panel with AUX, RCA, Coaxial, Optical, Type-C, and Bluetooth antenna connections labeled

Image 4.3: Rear Panel Connections.

4.4 Remote Control Functions

Diagram of the remote control with all buttons and their functions labeled, including power, mute, mode switching, volume, track control, input selection, codec switching, bass/treble adjustment, and RGB light control

Image 4.4: Remote Control Functions.

Power Button: Turns the device on/off.
Mute Button: Mutes/unmutes audio.
RX/TX Buttons: Switches between Receiver and Transmitter modes.
Volume +/-: Adjusts volume level.
Previous/Next Track: Skips to the previous or next audio track.
Play/Pause: Plays or pauses audio playback.
Input Cycle Switching: Cycles through available input sources.
Search For New Devices: Initiates Bluetooth pairing search.
Switch Decoding Format: Changes the audio decoding format.
Bass Increase/Decrease: Adjusts bass levels.
High Notes Increase/Decrease (Treble): Adjusts treble levels.
Lamps On/Off: Controls the RGB ambient lighting.
Bluetooth Input (BT): Selects Bluetooth as input.
AUX/RCA Input (LINE): Selects AUX or RCA as input.
Coaxial Input: Selects Coaxial as input.
Fiber Optic Input (Optical): Selects Optical as input.

5. Setup Instructions

5.1 Power Connection

Connect the provided Type-C power cable to the DC 5V port on the rear of the M12 Pro.
Plug the other end of the Type-C cable into a standard USB power adapter (not included) or a USB port on a device like a TV or computer.
Ensure the device powers on, indicated by the digital display lighting up.

5.2 Receiver Mode (RX) Setup

In RX mode, the M12 Pro receives Bluetooth audio from your phone, tablet, or computer and outputs it to your non-Bluetooth stereo system or speakers.

Switch the M12 Pro to RX mode using the button on the device or remote. The display will show "RX".
Connect the M12 Pro to your stereo system or active speakers using one of the following methods:
- RCA: Use the RCA cable to connect the M12 Pro's RCA OUT ports to your stereo's RCA IN ports.
- 3.5mm AUX: Use the 3.5mm AUX cable to connect the M12 Pro's AUX OUT port to your stereo's AUX IN port.
On your mobile device, enable Bluetooth and search for "MOREGAX M12 Pro" in the list of available devices.
Select "MOREGAX M12 Pro" to pair. Once paired, the display will show "Connected".
Play audio on your mobile device. Sound will now be output through your connected stereo system.

Diagram illustrating Receiver Mode (RX) setup, connecting a mobile phone via Bluetooth to the M12 Pro, which then connects to a speaker via an audio cable

Image 5.1: Receiver Mode (RX) Connection Example.

5.3 Transmitter Mode (TX) Setup

In TX mode, the M12 Pro transmits audio from your non-Bluetooth TV, computer, or other audio source to Bluetooth headphones or speakers.

Switch the M12 Pro to TX mode using the button on the device or remote. The display will show "TX".
Connect the M12 Pro to your audio source (e.g., TV, PC) using one of the following methods:
- RCA: Use the RCA cable to connect the M12 Pro's RCA IN ports to your audio source's RCA OUT ports.
- 3.5mm AUX: Use the 3.5mm AUX cable to connect the M12 Pro's AUX IN port to your audio source's AUX OUT port.
- Optical: Use an optical cable to connect the M12 Pro's Optical IN port to your audio source's Optical OUT port.
- Coaxial: Use a coaxial cable to connect the M12 Pro's Coaxial IN port to your audio source's Coaxial OUT port.
Put your Bluetooth headphones or speaker into pairing mode.
The M12 Pro will automatically search for and connect to nearby Bluetooth devices. Once connected, the display will show the connected device's name or a confirmation.
Play audio from your source device. Sound will now be transmitted to your Bluetooth headphones or speaker.
To connect a second pair of headphones (Dual Link), put the second pair into pairing mode and press the "Search For New Devices" button on the remote or device.

Diagram illustrating Transmitter Mode (TX) setup, connecting a TV to the M12 Pro via an audio cable, which then transmits audio wirelessly to two pairs of Bluetooth headphones

Image 5.2: Transmitter Mode (TX) Connection Example.

6. Operating Instructions

6.1 Power On/Off and Volume

Power On: Rotate the OFF/VOL knob clockwise or press the power button on the remote.
Power Off: Rotate the OFF/VOL knob counter-clockwise until it clicks, or press and hold the power button on the remote.
Volume Adjustment: Rotate the OFF/VOL knob or use the Volume +/- buttons on the remote.

6.2 Mode Switching

Press the RX or TX button on the remote control to switch between Receiver and Transmitter modes. The digital display will indicate the current mode.

6.3 Audio Playback Control

Play/Pause: Single-click the OFF/VOL knob or press the Play/Pause button on the remote.
Mute: Double-click the OFF/VOL knob or press the Mute button on the remote.
Previous/Next Track: Use the dedicated buttons on the remote.

Diagram showing the infinite rotation of the volume knob and the single/double click functions for play/pause and mute

Image 6.1: Knob Control Functions.

6.4 Bass and Treble Adjustment

Rotate the Bass and Treble control knobs on the front panel, or use the corresponding buttons on the remote control, to fine-tune your audio output.

6.5 RGB Ambient Lighting

The M12 Pro features customizable RGB ambient lighting. Long press the TREBLE knob to cycle through different light effects (Colorful Mode, Monochrome Cycle, Jump Mode, Breathing Mode) or to turn off the lights. You can also use the "Lamps On/Off" button on the remote.

Diagram showing how to long press the TREBLE knob to switch RGB light effects, including Colorful, Monochrome Cycle, Jump, Breathing, and Off modes

Image 6.2: RGB Ambient Light Control.

6.6 USB and TF Card Playback

Insert a USB drive or TF card into the respective port on the device. The M12 Pro will automatically detect and play audio files from the storage device. Use the remote control for playback navigation.

7. Maintenance

Keep the device in a dry environment, away from direct sunlight, high temperatures, and humidity.
Clean the device with a soft, dry cloth. Do not use liquid cleaners or abrasive materials.
Avoid dropping or subjecting the device to strong impacts.
Do not attempt to disassemble or repair the device yourself. Contact customer support for assistance.

8. Troubleshooting

Problem	Possible Cause	Solution
No power	Power cable not connected properly; faulty power adapter.	Ensure Type-C cable is securely connected. Try a different USB power adapter.
No sound in RX mode	Incorrect audio cable connection; M12 Pro not paired; volume too low; incorrect input selected on stereo.	Verify audio cables are connected to OUT ports on M12 Pro and IN ports on stereo. Ensure M12 Pro is paired. Increase volume on M12 Pro and stereo. Select correct input on your stereo.
No sound in TX mode	Incorrect audio cable connection; headphones not paired; volume too low; incorrect output selected on source.	Verify audio cables are connected to IN ports on M12 Pro and OUT ports on source. Ensure headphones are in pairing mode and M12 Pro connects. Increase volume on M12 Pro and headphones. Select correct audio output on your source device (e.g., TV).
Cannot pair Bluetooth device	Device too far; M12 Pro not in pairing mode; other devices interfering.	Place devices closer. Ensure M12 Pro is in RX/TX mode and actively searching (display may show 'Pairing' or similar). Turn off Bluetooth on other nearby devices.
Short Bluetooth range or intermittent connection	Obstructions; interference; device too far.	Reduce distance between M12 Pro and connected device. Remove obstructions (walls, large objects). Avoid placing near Wi-Fi routers or other wireless devices.

9. Specifications

Model: M12 Pro
Bluetooth Version: 5.3 (as per feature bullets, images show 5.2)
Connectivity Technology: Bluetooth
Supported Audio Codecs: aptX HD, aptX LL, aptX, AAC, SBC
Input Interfaces: 3.5mm AUX, RCA, Coaxial, Optical, USB, TF Card
Output Interfaces: 3.5mm AUX, RCA
Power Input: DC 5V (Type-C)
Product Dimensions: Approximately 2 x 6 x 6 inches (5.08 x 15.24 x 15.24 cm)
Item Weight: 4.2 ounces (119 grams)
Batteries: 1 Lithium Polymer battery required (included for remote control)
Control Method: Remote, Hand Control (knobs)
Compatible Devices: Speakers, Headphones, Home Stereo Systems, TVs, Mobile Phones, Tablets, PCs

10. Warranty and Support

The MOREGAX M12 Pro comes with a standard manufacturer's warranty. For specific warranty details, please refer to the documentation included with your purchase or contact MOREGAX customer support.

If you encounter any issues or have questions regarding your device, please contact MOREGAX customer service through the retailer's platform or the official MOREGAX website. Please have your product model (M12 Pro) and purchase information ready when contacting support.