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
KW-AR-Mini Kit with 17 Classes UNO R3 DC Motor Breadboard LED Components Set Geekcreit for Arduino – products that work with official Arduino boards
$39.35Module KitsAdd to cartFeatureFree TutorialGood kit for Arduino Starter17 ClassesClass 1 Hello Arduino!Class 2 LED Running LightsClass 3 Key ExperimentClass 4 AD Analog-to-Digital conversationClass 5 PWM ExperimentClass 6 Buzzer ExperimentClass 7 The Temperature Sensor ExperimentClass 8 Photosensitive Light ExperimentClass 9 Fire Alarm ExperimentClass 10 Infrared Remote ControlClass 11 UltrasonicClass 12 8-Bit Digital Display ExperimentClass 13 4 x 8 …
2Pcs Mini Football Soccer Goals for Training Junior Kids Children
$136.93Carbon FiberAdd to cartSpecificationsMaterial:Nylon & G-carbonSize:1200*810*810mmColor:Red&GreenWeight:820gFeatures1. This item is great for junior soccer players to practice their shooting accuracy, or just to have fun and play some shooting games.2. Easy to Set Up–The pop up soccer goals are super easy to set up, your kids maybe can do that all on his own, or call some friends to …
2Pcs Mini Football Soccer Goals for Training Junior Kids ChildrenRead More
5pcs 2S 10A 7.4V 18650 Lithium Battery Protection Board 8.4V Balanced Function Overcharged Protection
$19.20Battery Protection ModuleAdd to cartSpecificationsModel:HX-2S-JH20 Overcharge voltage range:4.25±0.05vSize:46.7*23*3.15mm Over-discharge voltage range:2.9v±0.05vUpper limit working current:10A Working temperature:-40—+50°CUpper limit instantaneous current:20A Storage condition:-40– +80°CQuiescent current:less than 10uA Internal resistance:less than 300mΩ Short circuit protection:protection, charge recoveryCharging voltage:8.4V-9VWelding Point Description· B+ is connected to the battery positive pole;· B- is connected to the negative pole of the battery;· MB is connected to …
55Pcs/Set Silicone Casting Molds and Tools Jewelry Pendant Resin Mould DIY
$38.46Painting Teaching ToolsAdd to cartFeatures-This set of making tool is especially designed for DIY expoxy resin crafts, including silicone mold,spoon,sequin,drill,nails and so on.-Different silicone molds have different shapes for you to choose,which may accurately match your various needs.-It is easy control with the reliable quanlity as well as the efficence. -The superior DIY tools for your craft works.SpecificationMaterials:Silicone,MetalType:Making ToolsQuantity:55pcs,one …
55Pcs/Set Silicone Casting Molds and Tools Jewelry Pendant Resin Mould DIYRead More
DIY thermoelectric Peltier Semiconductor Refrigeration Cooling System + Fan Kit
$27.54Electronic Accessories & SuppliesAdd to cartFeaturesSimple operation, strong practicabilityFast cooling, outstanding effectPower supply:12V 15AFan power rate:about 5WFan size:40*40mm Cooling profiles:40*40mm for inlet tube:8mm Screws:3mmNoteMust fititng radiator heartsink when power on, or it will burn the kitThis kit does not comes with PeltierPackage included1 x DIY Thermoelectric Peltier Refrigeration Cooling Kit
5pcs I2C 8-bit I/O Expander Module PCA8574AD Expansion Board RobotDyn for Arduino – products that work with official for Arduino boards
$45.20Expansion Board & ShieldAdd to cartFeatureIf you just don’t have enough digital I/O pins on your for Arduino to interface with all your sensors and controls, you might want to look at using the I2C bus to connect a few port expander chip PCA8574AD have 8 digital I/O bits and can be set to addresses 0x38-0x3F respectively.The I2C bus on …
Ebyte E70-DTU-433NW30-GPRS GPRS Modem 6.5km Wireless Networking Equipment 433MHz 30dbm Networking LoRa RF Module lOT Gateway
$260.04Smart ModuleAdd to cartSpecification Model:E70-DTU-433NW30-GPRSProduct name:iot gatewayProduct advantages:Star self-organizing networkTransmission type:GPRSInterface Type:RS232/RS485Frequency band:433MHzTransmission Range:6.5kmSupply voltage:8 ~ 28V DCSize:108*75*37mmInterface:RS232 RS485Application:Industry Network TransmissionPackage included1 x LoRa RF Module
Reviews
There are no reviews yet.