3pcs M18 Bluetooth 4.2 Audio Receiver Module Lossless Car Speaker Headphone Amplifier Board Wireless Refit

3pcs M18 Bluetooth 4.2 Audio Receiver Module Lossless Car Speaker Headphone Amplifier Board Wireless Refit

banggood Module Board

13.99$
10.99$
User ManualClick here to openFor different needs of customerswe offer 3 versions for you to choose from Function ModelM18this item M28Product ID1486747 M38Product ID1486746 Micro power supplyAudio headphone jackBuilt in amplifier 5W 5W Lithium battery poweredSupport USB sound cardfree driveVolume memory adjustmentMUTE mute interfaceButton extensionBluetooth versionbluetooch V4 2Support Bluetooth protocolHFPV1 7A2DPV1 2AVRCPV1 5AVCTPV1 2AVDTPV1 2Format supportSupport WAV WMA FLAC APE MP3 lossless decodingstereo two channel outputOperating Voltage5V 3 7V 4 2VBroadcast status not connected5 5MAConnection working status20MADeep sleeping3UATransmission distance20 metersempty or low interference environment Operating temperature40C to85CSensitivity87dbmIntroductionThis product MH M18 is a low power Bluetooth design solutionsupporting the latest Bluetooth 4 2 transmissiontwo channel stereo lossless playbackBluetooth connection after the module is connected to Bluetoothvery convenientIn an open environmentthe Bluetooth connection distance can be up to 20 meters Widely used in a variety of Bluetooth audio receptiona variety of audio DIY modification PinFunctionDescription1KEYButton control terminal4 button functionsadditional resistors such as wiring diagram 2MUTEMute control terminaloutput high level 3 3V when mutingoutput low level during playback 3VCCPositive power supply 5Vlithium battery 3 7V power supply requires shor