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
PM3 Proxmark3 V5.0 IC+ID Full Encryption Card Reader All-in-one Access Control Elevator Garage NFC Multiple Card
$207.99Card ReaderAdd to cartFeatureIt is only used for learning RFID NFC communication and testing the technical security of RFID, as a basic learning tool for RFID personnel. Use for illegal purposes is prohibited.Increase the reading memory, you can read more cards, and the reading speed is faster and stronger.Support one-click reading, easy export and import filesSupport dual-frequency cards, …
10pcs DC3.3-4.2V JDY-64 Lossless Bluetooth 4.2 Module Stereo Audio bluetooth Board
$42.69Smart ModuleAdd to cartProduct introductionJDY-64 is a low power consumption lossless two-channel stereo design, and the overall performance is very advantageous. It only needs to connect the module to the application products so that users can quickly achieve wireless music transmission, which defaults no prompt tone for button, switch, connection, fragment opening, and integrated SD card defaults earphone …
10pcs DC3.3-4.2V JDY-64 Lossless Bluetooth 4.2 Module Stereo Audio bluetooth BoardRead More
LILYGO TTGO T-Bot ESP32 Main Chip T-Block with HC-SR04 Module Programmable Hardware MINI Trolley
$91.31Smart ModuleAdd to cartMore Information:https://github.com/Xinyuan-LilyGO/TTGO_TWatch_Library FeatureHardware SpecificationChipsetESPRESSIF-ESP32 (Wi-Fi & Bluetooth)240MHz Xtensa single-/dual-core 32-bit LX6 microprocessorFLASH16MB / PSRAM 8MBSRAM 520 kB SRAMButtonSwitch, ResetUSB to TTLCP2104Modular interfaceI2C On-board clock40MHz crystal oscillator Working voltage2.7V-3.6VWorking temperature range -40→ ~ +85→Size55*46*53 mmWeight48.3gPower SupplyPower Supply InputUSB 5V/1ACharging current500mABattery Input 3.7-4.2VBattery3.7V lithium batteryJST Connector2Pin 1.25mmUSBWi-FiStandardFCC/CE-RED/IC/TELEC/KCC/SRRC/NCC(esp32 chip)Protocol802.11 b/g/n(802.11n,speed up to150Mbps)A-MPDU and A-MSDU polymerization,support 0.4┢S Protection intervalFrequency …
UAF42 Active High Pass Low Pass Bandpass Filtering Frequency Gain Q Adjustable General Filter
$41.54Other Module BoardAdd to cartUAF42 has the following featuresHighly versatile, can be changed as high pass, low pass, band pass and band stop filters as needed (Jumper settings);The design is simple. BB has also designed a software specifically for the UAF42, which makes it easy and flexible to design different types of filters.With high precision frequency and high Q …
3pcs Geekcreit Yellow 3D Mini SMD PCB Stereo Christmas Tree DIY Music Kit
$15.84DIY Electronic KitsAdd to cartDescriptionThis is a simple mini Christmas tree DIY kit. Three different PCBs are combined into a 3D stereo Christmas tree model. A variety of different colors can be selected. It can be powered by a button battery and can be free from the power supply. Built-in 7 LED gradient modes plus 7 different Christmas melody.Manual:Click …
3pcs Geekcreit Yellow 3D Mini SMD PCB Stereo Christmas Tree DIY Music KitRead More
10pcs 2.54mm 2x4P 8P Double Row Female Straight Pin Header Needle Socket Pin Strip
$6.55Electronic Accessories & SuppliesAdd to cartSpecificationsSpacing:2.54mmGender of Connector:FemaleNumber of Pins:2x4PinType of Row:Double RowType of connector:StraightPackage included10 x 2.54mm 8P double row female straight pin header
Excellway 20Pcs JST Female and Male Battery Connector Set
$10.11ConnectorsAdd to cartDescriptionBrand:ExcellwayName:5 x JST BEC Set Female and Male Battery Connector Bu ggy Truck PlaneMaterial:metal + PlasticFeatures1. Includes 10 RC JST BEC Set Female and Male Battery Connector2. Long service life.3. Easy to install.Package Included5 x male Connectors5 x female Connectors5 x female pins5 x male pins
Reviews
There are no reviews yet.