3pcs M38 Bluetooth 4.2 Audio Receiver Module 5W+5W Lossless Car Speaker Headphone Amplifier Board Wireless Refit
Shipping:Standard Shipping about 10-25 business days
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:*:√:*
Lithium battery powered:√:√:√
Support USB sound card, free drive:*:*:√
MUTE mute interface:√:*:*
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
Broadcast status not connected:5.5MA
Connection working status:20MA
Transmission distance:20 meters (empty or low interference environment)
Operating temperature:-40°C to +85°C
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)
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.
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.
3 x M38 Module
Customers Also Viewed
3pcs JDY-10 bluetooth 4.0 Module BLE bluetooth Serial Port Module Compatible with CC2541 Slave$16.47Other Module BoardAdd to cart
DescriptionModel:JDY-10 bluetooth 4.0 slave moduleKernel:M0Communication interface:serial portWorking voltage:1.9-3.6VCommunication distance:100 metersWorking current:90uaSuspen mode:14 uAModule is:bluetooth 4.0 slaveJDY-10 transparent transmission module is based on bluetooth 4.0 protocol standard, working frequency range is 2.4GHZ range, modulation mode is GFSK, maximum transmission power is 8db, maximum transmission distance is 80 meters, low power consumption, small size, strong signal, data …
3pcs JDY-10 bluetooth 4.0 Module BLE bluetooth Serial Port Module Compatible with CC2541 SlaveRead More
Plug&Play GPIO Expansion Board for Micro:Bit Open Development Board$17.74Raspberry Pi & Orange PiAdd to cart
OverviewThis is the Micro:bit GPIO Expansion board, it’s convenient to use micro:bit board; You can insert the expansion board directly into the micro:bit;You can cascade this expansion board.SpecificationsWeight:15gSize:6.4 x 3.7 x 1.2cmNotesThe micro:bit board is not included.Package Included1x Expansion Board
10pcs W25Q32 Large Capacity FLASH Storage Module Memory Card SPI interface BV FV STM32$16.08Other Module BoardAdd to cart
SpecificationsCapacity:32M-bit / 4M-byteThe clock frequency is less than 104MHzOperating voltage:2.7~3.6VSize:14mm * 15mmFeaturesUsing serial nor flash external expansion memory chip w25q64Support SPI InterfaceProvide STM32 test codePackage Included10 x W25Q32 Large Capacity FLASH Storage Module
HMC849 RF Switch Module Single Pole Double Throw 6GHz Bandwidth High Isolation$29.75RF amplifierAdd to cart
ParameterPower supply voltage:3-5VOperating frequency range:6GHZInsertion loss and isolation refer to the following S21 parametersModule size:2.5*3cm (without protruding SMA part)Input and output impedance:50┯Input and output SMA interface (outer spiral inner hole)Product weight:10 gPackage included1 x HMC849 RF Switch Module
0.1-2000MHz RF Amplifier Wideband High Gain 30dB Low Noise Amplifier LNA Broadband Module Receiver$21.86Amplifier BoardAdd to cart
FeaturesThis product with wide frequency range, high gain, low noise figureThis product can be applied to various rf receive front-end and increases the communication distanceUsed for Short wave, FM radio, remote control receiver, such as cable TV signal amplifier need low noise RF signal amplificationSpecificationsSize:25*52mmDiameter of end:5mmColor:green + goldOperating frequency:0.1-2000MHzAmplifier gainF=0.1MHz, gain=32dBF=500Mhz, gain=31dB F=1000MHz, gain=29dBF=1500Mhz, …
0.1-2000MHz RF Amplifier Wideband High Gain 30dB Low Noise Amplifier LNA Broadband Module ReceiverRead More
RC Resistance Surge Absorption Circuit Relay Contact Protection Circuit Electromagnetic$6.55Other Module BoardAdd to cart
OverviewRC absorption circuit module used on protecting the relay or thyristor because it can avoid damage thatfrom inductive electromotive force generated by the inductive load when on or off. Preventing electromagneticinterference and increasing the anti-jamming capability of the microcontroller.Description1, For AC or DC 5 ~ 400V inductive load (less than 1000W), protection relay contacts or …
RC Resistance Surge Absorption Circuit Relay Contact Protection Circuit ElectromagneticRead More
50pcs USB To DIP Female Head Mini-5P Patch To DIP 2.54mm Adapter Board$23.64Converter BoardAdd to cart
DescriptionMini USB is one of the most common USB interfaces at present. Compared with the standard USB, Mini USB is smaller and suitable for small electronic devices such as mobile devices. It has a wide range of uses. This module is easily transformed into the conventional DIP 2.54mm pin, which greatly facilitates your application.Package included50 …
50pcs USB To DIP Female Head Mini-5P Patch To DIP 2.54mm Adapter BoardRead More
There are no reviews yet.