3pcs M38 Bluetooth 4.2 Audio Receiver Module 5W+5W Lossless Car Speaker Headphone Amplifier Board Wireless Refit
$18.10
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
3 x M38 Module
Weight | 0.018 kg |
---|
Customers Also Viewed
20pcs GX12 3 Pin 12mm Male & Female Wire Panel Circular Connector Aviation Socket Plug
$33.36Electronic Accessories & SuppliesAdd to cartDescriptionModel:GX12Metal Material:Zinc AlloyRated Current / Voltage:5A/125VMounting Dimensions:12mmCoupling:Threaded CouplingPackage included20 x 3pin connector
3pcs 3W 5-35V LED Driver 700mA PWM Dimming DC to DC Step-down Module Constant Current Dimmer Controller
$11.42Driver ModuleAdd to cartSpecificationsInput:DC 5-35VOutput:700mA ± 20mADrive 1-10 pcs 3W LEDSupports PWM dimmingHigh level turn off the outputLow level Open the outputLED buck mode to ensure the total total voltage difference is lower than the input supply voltage (2-3V) .Ultra-small size design (length 3.6cm * Width 2cm)Constant output current, low ripple.LED used to ensure the safety, stability, improving …
10Pcs 12V Flashing Pre-Wired LED Ultra Bright Water Clear Bulb with Plastic Shell
$8.73Electronic Accessories & SuppliesAdd to cartColor. Yellow Diameter 5mm / Color. Yellow Diameter 3mm / Color. Red Diameter 5mm / Color. Red Diameter 3mm / Color. Blue Diameter 5mm / Color. Blue Diameter 3mm / Color. White Diameter 5mm / Color. White Diameter 3mm /
USB Rechargeable Electric Water Dispenser Universal Drinking Water Pump Portable Water Bottle Pump
$32.39Switch AccessoriesAdd to cartSpecifications1.Model:CORx42.Material:ABS3.Color:Black4.Voltage:5V5.Power:5W6.Size:13*6.4cm7.Certification:CE certificationFeatures-Charging by USB cable ,Easy to install and use.-The Color Lights Indicate the Battery Voltage:green for high and red for low.-Simple Installation, Easy to Use:just press the switch and water will automatically flow out.-Food grade silicone hose. Non toxic / No smell, cold resistant, High temperature resistance.-Rechargeable Battery:built in a rechargeable lithium battery, can …
DIY Removable CPU Cooler RGB Cooling Fan for intel 775 1150 1151 1155 1156 1366 AMD AM4
$50.29Electronic Accessories & SuppliesAdd to cartSpecificationProduct Name:CPU CoolerCompatible CPU:for Intel/AMDHeatsink Material:Copper & AluminumSize:98x90x135mm / 3.9×3.5×5.3inchApplication:ProcessorBearing Type:HydraumaticPower Interface:4 PinNoise:18dbType:HeatpipeFan Life:50000 hrsFan Speed:2200RPMHeat Pipes Quantity:6Fan Quantity:1Color:5 Colors lightingSupport CPU Platform:for Intel 775/1150/1151/1155/1156/1366 and AMD all platformsFeatures1. Super mute fan with built-in solid state silent capacitor.2. Cool aurora five color lights when running.3. Pure copper heatsink accelerates heat dissipation.Note-The color of the item …
DIY Removable CPU Cooler RGB Cooling Fan for intel 775 1150 1151 1155 1156 1366 AMD AM4Read More
Geekcreit DIY RGB Full Color LED Gravity Sensor Ambient Light Kit
$28.17DIY Electronic KitsAdd to cartDescriptionIn a inchwhite ballinch appearance, You might think this is a sci-fi blockbuster inside the inchenergy ballinch. Of course, you may think so, You can also call her inchBedside lampinch, inchAmbient Lightinch, inchMood lightinch. In addition, the important thing said three times! Gravity Flip transition effect! Gravity Flip transition effect! Gravity Flip transition effect! FeatureFlip …
Geekcreit DIY RGB Full Color LED Gravity Sensor Ambient Light KitRead More
3Pcs 4A XL6009E1 Adjustable DC-DC Step Up Boost Converter Power Supply Module
$12.64Boost & Buck ModuleAdd to cartDescriptionThe XL6009 is a high-performance step-up (BOOST) module with 4A switching current. The module uses the second generation of high-frequency switching technology XL6009E1 as the core chip, performance far more than the first generation of technology LM2577. XL6009 step-up module cost lower, more excellent performance, LM2577 module is about to be eliminated.ultra-wide input voltage 3V …
3Pcs 4A XL6009E1 Adjustable DC-DC Step Up Boost Converter Power Supply ModuleRead More
100W Dimmer Module Dimmer Circuit Board Switch Desk Lamp Dimmer Board
$3.71Driver ModuleAdd to cartFeaturePCB board size:2CM*3.3CMRated power:P=UI; 100W=220V*0.45AModel:100W dimming module;Rated power:100W;Suitable for dimming and speed adjustment of AC motors and lamps below 100W (energy-saving lamps are not supported);Package includes1 x 100W dimming module
Reviews
There are no reviews yet.