5pcs 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.
5 x M38 Module
Customers Also Viewed
350pcs PVC Terminal Blocks Wire Terminals Connectors+328pcs Heat Shrink Tube with Storage Box$46.56ConnectorsAdd to cart
Feature-350 PCS terminals and 328 PCS 2:1 heat shrinkable tube various connector boxes-Assorted packaging box containing the most popular wire terminal connectors and 2:1 heat shrink tubing. Ideal for garages, automotive electricians, machinery, workshops, etc. Suitable for cars, trucks, RVs, etc.-Including 17 popular connector types and wire terminal connectors with different sizes, there are three …
350pcs PVC Terminal Blocks Wire Terminals Connectors+328pcs Heat Shrink Tube with Storage BoxRead More
SHA8C01 SHT30 Digital Temperature and Humidity Sensor RS485 TTL232 Modbus Rtu Module$12.14Sensor & Detector ModuleAdd to cart
Type 5V TTL232 with pin / Type 5V TTL232 no pin / Type 5V RS485 with pin / Type 5V RS485 no pin / Type 12V RS485 with pin / Type 12V RS485 no pin / Type SHT30 sensor /
24V 2.0A Lead-acid Battery Charger Scooter Charger$54.66AC/DC AdaptersAdd to cart
SpecificationsName:Lead-acid Battery ChargerColor:blackInput:AC 90-240V 50/60HzOutput:DC 24V 1.6A-2.0AType:lead-acid batterySize:160*88*52mm/6*3*2inFeatures-It can be used as a spare accessory and is easy to operate.-Suitable for lead-acid batteries below 24V14A battery.-Suitable for bicycle-modified electric vehicles.Package Included1 x Lead-acid Battery Charger(distribute the adapter according to your country)
220V 800L/H Submersible Pump Aquarium Fountain Pool Water Pump 12 LED Light$38.46Electrical Pump & ValveAdd to cart
Features-Suitable for fresh and sea water aquarium.-Extremely quiet operation.-Suction cups to fit any aquariums.-Long lasting wear proof stainless steel shaft.-Saving Power and durable.-Safety and corrosion preventive-Adjust the flow control lever to your desired level-Easy to operate, Power-saving, long service life, self-protection-12 LED with 4 color changing lights (red, blue, green, yellow),great for decorating your fountain …
220V 800L/H Submersible Pump Aquarium Fountain Pool Water Pump 12 LED LightRead More
3Pcs 12V Mini Hi-Fi PAM8610 2X10W Audio Stereo Amplifier Board Dual Channel$20.90Amplifier BoardAdd to cart
FeatureWork:D ClassQuiescent current:20mAOperating voltage:DC7.5 V- 15VRated output power:10w + 10w (8Ω)Frequency response:20Hz to 50KHzRecommended supply voltage:12V, the center PIN of 12VDC is inch+inchPackage included3 x Audio Stereo Amplifier Board
5pcs 3V/5V/12V to 19V/24V/30V/36V DC Adjustable Boost Module LM2587 Power Supply Board$33.82Power Supply ModuleAdd to cart
FeatureInput:3V-35VOutput:4V-40V adjustableEfficiency:94% (MAX)Dimensions:37 x 32 x 15mm (L x W x H)Operating temperature:-40°C to +85°CLoad capacity:Limited 80WConnection mode:Terminals are not welded, IN is input, and OUT is outputNote:The smaller the differential voltage between the input and output voltages, the greater the carrying capacity and the higher the efficiency.Test parametersInput voltage:Output voltage:Limited output current:Power3V:15V:1A:5W5V:12V:1A:12W5V:9V:1.5A:13.5W9V:12V:2A:24W12V:19V:1.5A:28.5W12V:24V:1.2A:28.8W19V:24V:2A:48W24V:30V:2A:60W30V:35V:2A:70WPackage includes5 x …
5pcs 3V/5V/12V to 19V/24V/30V/36V DC Adjustable Boost Module LM2587 Power Supply BoardRead More
5Pcs PROBE EMC EMI Near-field Probe Conduction Radiation Correction Simple Magnetic Field Probe$29.04RF amplifierAdd to cart
ParameterWorking frequency:9K-3GHZ;Weight:21 gramsConnector:SMA female (outer tooth inner hole)With black protective sleeveNote:When using, please keep your hands away from the PCB board.Package included5 x Magnetic Field Probe
There are no reviews yet.