M-38 Bluetooth Audio Module
MH-M38,It is a low-power design solution, supporting the latest Bluetooth 4.2 transmission, two-channel stereo lossless playback, Bluetooth connection, after the module is connected to Bluetooth. In an open environment, the Bluetooth connection distance can be up to 20 meters. It is widely used in a variety of Bluetooth audio reception, a variety of audio DIY modification.
Bluetooth V4.2 version supports Bluetooth automatic connection technology, WAV / WMA / FLAC / APE / MP3 lossless decoding, stereo dual channel output.
After the module is turned on, the mobile phone searches for the name Bluetooth MH-M18 / MH-M28 / MH-M38, and can play music after connecting the Bluetooth.
Note:
1. Power Supply: You can use MICRO USB Android cable 5V directly for power supply or connect 5V power supply or 3.7V lithium battery (as shown in the figure below). Note that the 5V and 3.7V power supply interfaces are different. It connects to 5V, 5V and GND, and connects to 3.7V lithium battery, VBAT and GND. Maximum operating current is 5V2A. It is recommended to use a regulated 5V2A power supply for better sound quality.
2. Support USB sound card, free driver (plug and play). Connect the module to computer with USB cable, and the computer can play music through the module amplifier output.
3. Audio Output: output left and right channel stereo audio signals, two 2-8 euro, can be connected to 3-5W speakers, push 4 O 5W speaker.
4. This product has its own dual 5W power amplifier circuit and must not be connected to any other amplifier! The outputs of the two amplifiers cannot be connected in parallel, or the negative poles are connected together, otherwise the power amplifier chip will be damaged.
M-38 Bluetooth 4.2 Audio Module Technical Specifications
Manufacturer | MINGYUANDINGYE |
Product Category | Bluetooth Audio Module |
Sherry | M-38 |
Bluetooth Version | Bluetooth V4.2 |
Supported Bluetooth Protocol | HFPV1.7, A2DPV1.2, AVRCPV1.5, AVCTPV1.2, AVDTPV1.2 |
Format Supported | Support WAV / WMA / FLAC / APE / MP3 lossless decoding, stereo two-channel output |
Operating voltage | 5V / 3.7V ~ 4.2V |
Broadcast Status Not Connected | 5.5MA |
Connection Working Status | 20MA |
Deep Sleep | 3UA |
Transmission Distance | 20 meters (empty or low interference environment) |
Operating temperature | -40 ° C to + 85 ° C |
Sensitivity | -87dbm |
Pin Definition
1.5V | Power positive 5V |
2. GND | Negative power supply |
3. VBAT | Lithium battery positive 3.7-4.2V |
4. L + / L- | Left channel output (direct speaker) |
5.R + / R- | Right channel output (direct speaker) |
Package Included:
1 x M38 Module
Useful Links
- Bluetooth Audio and Amplifier ModulesYou can review our products.
- Bluetooth ModuleYou can review our products.
M-38 Bluetooth 4.2 Audio Module
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M-38 Bluetooth Audio Module
MH-M38,It is a low-power design solution, supporting the latest Bluetooth 4.2 transmission, two-channel stereo lossless playback, Bluetooth connection, after the module is connected to Bluetooth. In an open environment, the Bluetooth connection distance can be up to 20 meters. It is widely used in a variety of Bluetooth audio reception, a variety of audio DIY modification.
Bluetooth V4.2 version supports Bluetooth automatic connection technology, WAV / WMA / FLAC / APE / MP3 lossless decoding, stereo dual channel output.
After the module is turned on, the mobile phone searches for the name Bluetooth MH-M18 / MH-M28 / MH-M38, and can play music after connecting the Bluetooth.
Note:
1. Power Supply: You can use MICRO USB Android cable 5V directly for power supply or connect 5V power supply or 3.7V lithium battery (as shown in the figure below). Note that the 5V and 3.7V power supply interfaces are different. It connects to 5V, 5V and GND, and connects to 3.7V lithium battery, VBAT and GND. Maximum operating current is 5V2A. It is recommended to use a regulated 5V2A power supply for better sound quality.
2. Support USB sound card, free driver (plug and play). Connect the module to computer with USB cable, and the computer can play music through the module amplifier output.
3. Audio Output: output left and right channel stereo audio signals, two 2-8 euro, can be connected to 3-5W speakers, push 4 O 5W speaker.
4. This product has its own dual 5W power amplifier circuit and must not be connected to any other amplifier! The outputs of the two amplifiers cannot be connected in parallel, or the negative poles are connected together, otherwise the power amplifier chip will be damaged.
M-38 Bluetooth 4.2 Audio Module Technical Specifications
Manufacturer MINGYUANDINGYE Product Category Bluetooth Audio Module Sherry M-38 Bluetooth Version Bluetooth V4.2 Supported Bluetooth Protocol HFPV1.7, A2DPV1.2, AVRCPV1.5, AVCTPV1.2, AVDTPV1.2 Format Supported Support WAV / WMA / FLAC / APE / MP3 lossless decoding, stereo two-channel output Operating voltage 5V / 3.7V ~ 4.2V Broadcast Status Not Connected 5.5MA Connection Working Status 20MA Deep Sleep 3UA Transmission Distance 20 meters (empty or low interference environment) Operating temperature -40 ° C to + 85 ° C Sensitivity -87dbm Pin Definition
1.5V Power positive 5V 2. GND Negative power supply 3. VBAT Lithium battery positive 3.7-4.2V 4. L + / L- Left channel output (direct speaker) 5.R + / R- Right channel output (direct speaker) Package Included:
1 x M38 Module
Useful Links
- Bluetooth Audio and Amplifier ModulesYou can review our products.
- Bluetooth ModuleYou can review our products.