MH-M38 Bluetooth Audio Receiver with 2x5W Amplifier
$0.6000
In stock
SKU
SEN-17-131
Volume discounts:
- +100 7 % $0.5600
- +300 8 % $0.5500
- +500 10 % $0.5400
- +1000 12 % $0.5300
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MH-M38 is a low-power Bluetooth design solution that supports the latest Bluetooth 4.2 transmission, two-channel stereo lossless playback, and Bluetooth wireless transmission when the module is connected to Bluetooth, which is very convenient. In an open environment, the Bluetooth connection distance can be up to 20 meters. Widely used in a variety of Bluetooth audio reception, a variety of audio DIY modifications.
Usage Notes For MH-M38 Bluetooth Audio Receiver with 2x5W Amplifier:
How to use:
After the module is powered on, the mobile phone searches for the Bluetooth name MH-M18/MH-M28/MH-M38, and can play music after connecting Bluetooth.
module blue indicator light:
When the Bluetooth is not connected, the blue indicator light flashes quickly;
When the Bluetooth connection is on, the blue indicator light is always on;
Power supply:
You can directly use the MICRO USB Android cable 5V for direct power supply, or you can also connect a 5V power supply or 3.7V lithium battery (as shown below).
Note that the 5V and 3.7V power supply interfaces are different. The 5V voltage is connected to 5V and GND, and the 3.7V lithium battery is connected to VBAT and GND.
The maximum operating current is 5V2A. It is recommended to use a regulated 5V2A power supply for better sound quality.
Support USB sound card (plug and play): Connect the module to the computer with a USB cable, and the computer can play music through the module amplifier output.
Audio output: output left and right stereo audio signals, which can be connected to two 2-8 ohm, 3-5W speakers, and 4 Euro 5W speakers.
5W power amplifier on board: This product has its own dual 5W power amplifier circuit, and must not be connected to another amplifier! The outputs of the two amplifiers may not be connected in parallel or the negative poles may be connected together, otherwise, the power amplifier chip may be damaged.
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