MH-M38 Bluetooth Mp3 Module

MH-M38 Bluetooth 4.2 Mp3 Audio Module

2 Channel 5watt Amplifier Wireless Sound Card Music Playback Micro Usb Lithium Battery

If the 2 outputs are combined and connected to a single speaker, the amplifier ICs of the product will be damaged.

     MH- M38 is a wireless audio playback board using Bluetooth 4.2 technology. It can communicate from a maximum of 20 meters. There are 2 pieces of 5W amplifier IC on the module. There are 2 speaker output sockets for audio output. There is 1 indicator led. It can work with Usb input supply and external supply. There is a 5V or 3.7V battery connection socket for external supply. If external 5V supply is connected, it must not be connected to the Vbat terminal. Incorrect connection damages the product.

     It has Usb sound card support. When connected to the computer, it is automatically recognized by the pc without a driver. And the sound is cut off on other audio outputs. Speaker JieLi BR21 hardware appears in the device manager. The audio starts to be transferred over the speaker to be connected to the module.

     The product appears with the name XFW-M38 in the bluetooth connection. It has a blue color indicator led. When there is no connection the led blinks. When the connection is established the blue led stays on continuously.  When it starts playing music the led continues to blink.

 
Features:

• IC Mh-M38
• Bluetooth version:  4.2
• 2 Pieces 5W audio amplifier IC
• Speaker: 2-8ohm 5W
• Works with Micro Usb 5V
• External supply voltage: DC 3.7 ( Lithium Battery )  / 5V ( Incorrect connection must not be made )
• Operating current: 20mA
• Blue bluetooth led status indicator
• Communication distance: Maximum 20 meters
• Audio support: WAV / WMA / FLAC / APE / MP3
• Support for working as a sound card on a computer
• Bluetooth Protocol     HFPV1.7, A2DPV1.2, AVRCPV1.5, AVCTPV1.2, AVDTPV1.2
• Bluetooth mode long blue light
• Sensitivity:  87dB
• 2 x 2 pin speaker output socket
• Operating temperature: -10  /  +85C
• Color: Black
• Dimensions:  25mm x 40mm
• Weight:  6gr

Pin Connections:

• 5V:     Supply 5V connection
• GND:  Supply ground connection
• VBAT: Lithium battery positive 3.7-4.2V
• L:        Left channel speaker connection
• R:       Right channel speaker connection

Package contents:

• 1 Piece MH-M38 Bluetooth Mp3 Module
• 2 Pieces 2 pin speaker connection socket.
• 2 Pieces 10cm cable