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SKU
MOD-04-003
Ships in 2-3 business days, then:
Free delivery in 10-15 days by YunExpress on orders over $35.
Free delivery in 5-7 days by DHL on orders over $200.
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$1.25
The MH-M28 Bluetooth Audio Receiver is a versatile module designed to provide high-quality wireless audio reception. Featuring a newly upgraded Type-C interface and low-power Bluetooth 5.1 technology, this receiver supports two-channel stereo lossless playback. It is perfect for a variety of audio DIY projects and modifications. With a Bluetooth connection range of up to 20 meters in open environments, this receiver ensures convenient and reliable audio transmission.
Specifications of MH-M28 Bluetooth Audio Receiver
- Interface: Type-C
- Bluetooth Version: 5.1
- Audio Output: Two-channel stereo lossless playback
- Connection Distance: Up to 20 meters in open environments
- Power Supply:
- Type-C 5V
- 5V power supply
- 3.7V lithium battery
- Pin Descriptions:
- 1: 5V (Power positive 5V)
- 2: GND (Negative pole of power supply)
- 3: VBAT (Lithium battery positive 3.7-4.2V)
- 4: L (Left channel output)
- 5: R (Right channel output)
- 6: AGND (Audio ground)
How to use MH-M28 Bluetooth Audio Receiver
- Power Supply:
- Connect to a Type-C 5V power source, or
- Connect a 5V power supply to the 5V and GND pins, or
- Connect a 3.7V lithium battery to the VBAT and GND pins.
- Audio Output:
- Directly connect headphones to the 3.5mm audio interface, or
- Connect to the audio input of a power amplifier board using the L, R, and AGND pins.
- Precautions:
- Keep the Bluetooth antenna away from high-frequency or strong electromagnetic signals.
- Avoid placing the board near metal objects.
- To minimize current noise, avoid using plug-in wires at the output end; instead, use soldered wires, particularly for the ground wires.
- Power the Bluetooth and amplifier board separately, ensuring the grounds are isolated.
- Handle the board carefully to avoid static discharge which can damage the components.
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