M18 Wireless Audio Bluetooth Module

the m18 wireless audio bluetooth module is an energy-efficient audio module designed with bluetooth technology that supports the latest bluetooth 4.2 transmission, lossless dual-channel stereo playback, and wireless bluetooth transmission when connecting to bluetooth, which is very convenient. bluetooth is a type of communication protocol that operates in the 2.4 ghz frequency band. bluetooth is transmitted and received by a dedicated chip on both the transmitter and receiver sides. one of the features of the bluetooth module that has made it widespread is its ease of use. bluetooth is a type of short-range radio communication, and the m18 audio module is widely used in various bluetooth audio receivers, various diy audio modifications, and in open environments, where the bluetooth connection range can reach up to 20 meters. the m18 stereo bluetooth has two outputs, functioning as left and right outputs, operating with a voltage of 3.7 volts to 5 volts, and supports decoding of wav/wma/flac/ape/mp3 formats.

application of M18 Stereo Bluetooth Module:

1. bluetooth connection of the speaker
2. audio equipment manufacturing

1. bluetooth version: 4.2
2. operating voltage: 3.7 ~ 5vdc
3. maximum operating current: 20ma
4. current in disconnected state: 5.5ma
5. sleep mode: 3µa
6. transmission distance: 20 meters
7. stereo output
8. supported file types: wav/wma/flac/ape/mp3
9. module sensitivity: -87dbm
10. dimensions:
    length: 23mm
    width: 11mm
    height: 2mm

1. keys
2. mute (mute): silencing the output
3. positive power supply 5 volts
4. ground
5. left audio output
6. right audio output