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Specification
Brand : Keenso
BulletPoint1 : [Moteling switching functionality] The module enables seamless control over the performance reinforcement with its silent control terminal. Enjoy problem - stub and playback without affecting the quality.
BulletPoint2 : [Comfortable performance options] The M28 module can be operated via a Micro -USB for cables so that it is slightly compatible with different devices. Alternatively, connect it with a 5 -VV power supply or a 3.7 -V lithium battery for reliable performance.
BulletPoint3 : [Premium-Output performance] Experience Immersive Audio with the MH-M38 module. Enjoy a powerful and dynamic sound with a direct loudspeaker, which is output via L+/L and R+/R- Pins, without needing additional equipment.
BulletPoint4 : [Simple and compact design] The MH-M38 module was designed for simple furnishings and use. Simply connect it to your computer via USB and play music about the amplifier edition of the module. No driver installation required.
BulletPoint5 : [-Compatibility] Simply connect your phone with the name MH- / MH-M28 / MH-M38 and enjoy a seamless music game
ItemName : Keenso MH MX8 Module Lustless Decoder Kit for Audio Board M28 M38 (#3)
ItemPackageDimensions_Height : 1 centimeters
ItemPackageDimensions_Length : 10 centimeters
ItemPackageDimensions_Width : 6 centimeters
ItemTypeKeyword : audio-and-video-component-receivers-and-amplifiers
Manufacturer : Keenso
NumberOfItems : 1
PartNumber : Keensoantb0gcr9z-13
ProductDescription : 1. : Moteling control control connection: is used to control the performance amplifier board. During the stummy, silently spent a high level of 3.3 V and spent a low level during playback. Tasting control of the button: This function requires an additional connection of resistors and buttons to achieve a volume switch -off: the standard output is volume. Press the button to control and reduce the volume increase. If the control volume is less than 15%, the volume output is 15% according to Power -an. If the control volume is larger than 15%, the original volume according to Power -an remains unchanged.
2. M28: Power supply: It can be operated directly from the Micro -USB for cable 5V or connected to a 5 -V -V -power supply or a 3.7 -V lithium battery. Audio output: The headphones can be connected directly to the 3.5 mm audio interface or wired for the audio input of the power amplifier board.
3. M38 power supply: It can be driven directly from the Micro -USB for cable 5V or connected to a 5 -V -V -power supply or a 3.7 -V lithium battery. The maximum working current is 5V2A. It is recommended to use the power supply regulated with 5V2A for better sound quality. Support the USB sound card, the drive (Plug and Play) Connect the module to the USB cable to the computer, and the computer can play music via the output of the module amplifier.
4. For V4.2 version of for Automatic Technology, the WAV / WMA / Flac / APE / MP3-lossless decoding, stereo branch output supports
5. After switching on the module, the phone searches for the MH - / MH -M28 / MH -M38 names for names MH - / MH -M28 / MH -M38 and can play music if it is connected.
6. In various for -audio recipients, conversion of different noises frequently used, etc.

Technical dataification:
type: module
Function / model M28 M38
Microstrom supply no yes yes
Audio headphone interface no yes no
Built -in amplifier no no yes (5W+5W)
Lithium battery with yes yes yes yes
Support USB Sound Card, drive no no yes
Volume memory/setting yes no no
Moteling switching interface yes no no
Key extension yes no no
For the version for Bluetooch V4.2
Support for protocol HFPV1.7, A2DPV1.2, AVRCPV1.5, AVCTPV1.2, AVDTPV1.2
Format support Support WAV/WMA/Flac/APE/MP3 Undecoded, stereo branch output
Operating voltage 5V/3.7 V-4.2 V
Unbited Broadcast State 5.5 MA
Connection work state 20 MA
Deep sleeping 3Ua
Transmission distance 20 meters (surroundings with empty or low interference)
Operating temperature -40 ° C to +85 ° C
Sensitivity -87dbm
MH-:
Number PIN description
1 button control area control clamp (4 button functions, additional required)
2 silent control control connection (output high level of 3.3 V for muting, output of low levels during playback)
3 VCC Positive power supply 5 V (Lithium battery 3.7 -V power supply requires short circuit -Diode)
4 GND negative power supply
5 l left channel output
6 R Right Channel Output
MH-M28:
Number PIN description
1 5V Power positive 5 V
2 GND negative power supply
3 VBAT lithium battery positive 3.7-4.2 V
4 l left channel output
5 R Right Channel Output
6 Agnd Audio Ground
MH-M38:
Number PIN description
1 5V Power positive 5 V
2 GND negative power supply
3 VBAT lithium battery positive 3.7-4.2 V
4 L+/L-Left channel edition (direct loudspeaker)
5 R+/R- Right Channel output (direct speaker)
Blue module:
The light flashes when it is not connected
The display light usually lights up when it is connected
For appearing slow flashing during playback

Package list:
1 x module
OR1 X module
2 x female plugs
2 x male plugs
ProductSiteLaunchDate : 2025-06-17T21:47:47.805Z
Size : #3
Style : #3
SupplierDeclaredDgHzRegulation : not_applicable
SupplierDeclaredHasProductIdentifierExemption : 1
UnspscCode : 53000000