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

Function / Model

M28 (this item)

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 version

bluetooch V4.2

Support Bluetooth protocol

HFPV1.7, A2DPV1.2, AVRCPV1.5, AVCTPV1.2, AVDTPV1.2

Format support

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 sleeping

3UA

Transmission distance

20 meters (empty or low interference environment)

Operating temperature

-40°C to +85°C

Sensitivity

-87db