M18 bluetooth 4.2 Audio Receiver Module Lossless Car Speaker Headphone Amplifier Board Wireless Refit
Description
User Manual Click here to openFor different needs of customers we offer 3 versions for you to choose from Function ModelM18 this item M28 Product ID 1486747 M38 Product ID 1486746 Micro power supplyAudio headphone jackBuilt in amplifier 5W 5W Lithium battery poweredSupport USB sound card free driveVolume memory adjustmentMUTE mute interfaceButton extensionBluetooth versionbluetooch V4 2Support Bluetooth protocolHFPV1 7 A2DPV1 2 AVRCPV1 5 AVCTPV1 2 AVDTPV1 2Format supportSupport WAV WMA FLAC APE MP3 lossless decoding stereo two channel outputOperating Voltage5V 3 7V 4 2VBroadcast status not connected5 5MAConnection working status20MADeep sleeping3UATransmission distance20 meters empty or low interference environment Operating temperature 40C to 85CSensitivity 87dbmIntroduction This product MH M18 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 PinFunctionDescription1KEYButton control terminal 4 button functions additional resistors such as wiring diagram 2MUTEMute control terminal output high level 3 3V when muting output low level during playback 3VCCPositive power supply 5V lithium battery 3 7V power supply requires shor
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