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M28 bluetooth 4.2 Audio Receiver Module With 3.5mm Audio Interface Lossless Car Speaker Headphone Amplifier Board Wireless Refit

M28 bluetooth 4.2 Audio Receiver Module With 3.5mm Audio Interface Lossless Car Speaker Headphone Amplifier Board Wireless Refit
M28 bluetooth 4.2 Audio Receiver Module With 3.5mm Audio Interface Lossless Car Speaker Headphone Amplifier Board Wireless Refit M28 bluetooth 4.2 Audio Receiver Module With 3.5mm Audio Interface Lossless Car Speaker Headphone Amplifier Board Wireless Refit M28 bluetooth 4.2 Audio Receiver Module With 3.5mm Audio Interface Lossless Car Speaker Headphone Amplifier Board Wireless Refit


Get M28 bluetooth 4.2 Audio Receiver Module With 3.5mm Audio Interface Lossless Car Speaker Headphone Amplifier Board Wireless Refit


User Manual: Click here to open

For different needs of customers, we offer 3 versions for you to choose from:

Function / ModelM18 (Product ID: 1476791)M28 (this item)M38 (Product ID: 1486746)
Micro power supply×√√
Audio headphone jack×√×
Built-in amplifier××√(5W+5W)
Lithium battery powered√√√
Support USB sound card, free drive××√
Volume memory/adjustment√××
MUTE mute interface√××
Button extension√××
Bluetooth versionbluetooch V4.2
Support Bluetooth protocolHFPV1.7, A2DPV1.2, AVRCPV1.5, AVCTPV1.2, AVDTPV1.2
Format supportSupport WAV/WMA/FLAC/APE/MP3 lossless decoding, stereo two-channel output
Operating Voltage5V/3.7V-4.2V
Broadcast status not connected5.5MA
Connection working status20MA
Deep sleeping3UA
Transmission distance20 meters (empty or low interference environment)
Operating temperature -40°C to +85°C
Sensitivity -87dbm

Introduction:
 
This product MH-M28 is a low-power Bluetooth design solution, supporting the latest Bluetooth 4.2 transmission, two-channel stereo lossless playback, Bluetooth connection after the module is connected to Bluetooth, 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 modification.

Pin numberPin headerDescription
15VPower positive 5V
2GNDNegative power supply
3VBATLithium battery positive 3.7-4.2V
4LLeft channel output
5RRight channel output
6AGNDAudio ground

Function Description:
 
Bluetooth V4.2 version, supports Bluetooth automatic connection technology, supports WAV/WMA/FLAC/APE/MP3 lossless decoding, stereo dual channel output.
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.
 
Package includes:

1 x M28 Module




















M28 bluetooth 4.2 Audio Receiver Module With 3.5mm Audio Interface Lossless Car Speaker Headphone Amplifier Board Wireless Refit See detail


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