10pcs M38 Bluetooth 4.2 Audio Receiver Module 5W+5W Lossless Car Speaker Headphone Amplifier Board Wireless Refit
$52.53
Shipping:Standard Shipping about 10-25 business days
Secure Payment:Paypal,VISA,MasterCard
For different needs of customers, we offer 3 versions for you to choose from
Function / Model:M18 (Product ID:1476791):M28 (Product ID:1486747):M38 (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:-87dbm
Introduction
This product MH-M38 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 number:Pin header:Description
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)
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.
Note
1. Power supply:You can directly use the MICRO USB Android cable 5V for direct power supply, or you can also 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. 5V is connected to 5V and GND, and the 3.7V lithium battery is connected to VBAT and GND.
The maximum operating current is 5V2A. It is recommended to use a regulated power supply of 5V2A for better sound quality.
2. Support USB sound card, free drive (plug and play). Connect the module to the computer with the USB cable, and the computer can play music through the module amplifier output.
3. Audio output:output left and right channel stereo audio signals, can be connected to two 2-8 euro, 3-5W speakers, push 4 O 5W speakers.
4. This product has its own dual 5W power amplifier circuit, and must not be connected to another amplifier! The outputs of the two amplifiers cannot be connected in parallel or the negative poles are connected together, otherwise the power amplifier chip is damaged.
Package includes
10 x M38 Module
Weight | 0.06 kg |
---|
Customers Also Viewed
High-speed Isolation USB To TTL Serial Module Power Isolation Optocoupler Isolation
$15.30Converter BoardAdd to cartOverviewOptical isolation USB to TTL Serial Module Equipped with CH340T USB to serial chip, achieved the power and TTL signal isolation,High-speed and stability, it could avoid the damage of USB and computer blue screen or other issues while use the USB to TTLserial port module, due to improper operation or other external impact on the …
High-speed Isolation USB To TTL Serial Module Power Isolation Optocoupler IsolationRead More
3pcs 3.5mm Plug Jack Stereo TRRS Headset Audio Socket Breakout Board Extension Module
$4.46Converter BoardAdd to cartFeaturesName:Audio breakout board1. TRRS connectors are the audio-style connectors that you see on some phones, MP3 players and development boards.2. TRRS stands for “Tip, Ring, Ring, Sleeve, Inch which reflects the fact that, unlike a standard stereo connector, this actually has three conductors and a ground.3. Some devices use the extra conductor for a microphone …
3pcs 3.5mm Plug Jack Stereo TRRS Headset Audio Socket Breakout Board Extension ModuleRead More
6.5×55 Laser Bore Sighter Red Dot Sight 6.5mm x 55 Brass Cartridge Boresighter Caliber
$20.24Laser BoresighterAdd to cartCaution:Avoid direct eye exposure to the laser beam. Laser radiation is emitted from the aperture.SpecificationHousing Material:BrassLaser Type:Red LaserLaser Wavelength:635~655mmMax Output PowerPower Supply:3Pcs LR41 Batteries (NOT Included)Battery Installation:Positive side facing outwards. Look at your button cell battery, you will see inch+inch on the flat side commonly, which means positive. And the other slightly rounded side is …
6.5×55 Laser Bore Sighter Red Dot Sight 6.5mm x 55 Brass Cartridge Boresighter CaliberRead More
AD584 Voltage Reference 2.5V/5V/7.5V/10V High Precision Reference Source for Voltmeter Calibration
$32.36RF amplifierAdd to cartSpecificationInput voltage:15VOutput voltage:2.5V/5V/7.5V/10VAccuracy:0.0001Warn floating:15ppm/→Size:5*5cm(not included SMA)Package included1 x AD584 Voltage Reference 2.5V/5V/7.5V/10V High Precision Reference Source
5pcs LilyPad MCP9700 Temperature Sensor Module
$16.04Sensor & Detector ModuleAdd to cartDescriptionDetecting temperature changes has never been easier. The MCP9700 is a small thermistor type temperature sensor. This sensor will output 0.5V at 0 degrees C, 0.75V at 25 C, and 10mV per degree C. Doing an analog to digital conversion on the signal line will allow you to establish the local ambient temperature. Detect physical …
76M-108M 2-channel FM Transmitter Board Stereo Wireless Audio Transmission Transmitter Module
$33.20Other Module BoardAdd to cartDescriptionTwo-channel stereo FM transmitter moduleWorking voltage:DC 3V-16VWorking current:17mASize:49mm*31mmFunction description2-channel FM stereo transmissionPower-off memory functionworking frequency displayInput volume and transmission frequency are adjustablesupport wide voltage supplyworking current, small emission efficiency, high power supply, durableRestore factory settingsultra low back noiseInstructions for use– Key:short press, frequency reduction, 0.1MHz;+ key:Short press, increase the frequency by 0.1MHz, long press, restore …
80x50x20mm Corrosion Resistant Aluminum Split Body Aluminum Box Enclosure Case for Electronic DIY
$14.16Electronic Accessories & SuppliesAdd to cartFeaturesHeavy gauge extruded aluminum construction | Easier for drilling, soldering, screwing, problem fixing.Excellent electromagnetic shielding performance;Front and back panels and fasteners are included.Heavy gauge extruded aluminum construction.Excellent electromagnetic shielding performance.Built-in grooves for holding circuit board.Corrosion resistant, lightweight.Durable in use.Great for electronic projects, power supply units, student projects and amplifiers, etc.SpecificationMaterial:extruded aluminumColor:blackSize:80x50x20mmPackage Included1 x 80x50x20mm Enclosure …
4000Peak Power inverter DC12V To AC220V Power Converter Car USB Charger inverter Modified Sine Wave
$157.94InvertersAdd to cartPower InverterFeature– The power inverter can convert DC12V to AC220.– Overload, over temperature, short-circuit, low voltage, over voltage protection.– Stable performance and precise output voltage.Built-in cooling fan with low noise.– Comes with a car charger and a pair of crocodile clip, convenient to use.– Perfect for television, DVD player and other household appliances.Specifications– Color:Black– Frequency:50+/-3Hz– …
Reviews
There are no reviews yet.