ماژول بلوتوث صوتی MH-M38 دارای 2 خروجی آمپلی فایر 5W

ماژول بلوتوث صوتی MH-M38 دارای 2 خروجی آمپلی فایر 5W

Introduction

MH-M18/M28/M38 is a low-power Bluetooth design
solution that supports the latest Bluetooth 4.2 transmission, two-channel
stereo lossless playback, and Bluetooth wireless transmission when the module
is connected to Bluetooth, which is 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.For
your different needs, we offer 3 versions for you to choose from:

Specification

Bluetooth V4.2 version, support Bluetooth
automatic connection technology, support 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
module blue indicator light
When the Bluetooth is not connected, the indicator light flashes quickly
When the Bluetooth connection is on, the indicator light is always on
The following is an introduction to each version

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 below). Note that the 5V and 3.7V
power supply interfaces are different. The 5V voltage 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
5V2A power supply for better sound quality.
Support USB sound card, free drive (plug and play). Connect the module
to the computer with a USB cable, and the computer can play music through the
module amplifier output.
Audio output: output left and right stereo audio signals, which can
be connected to two 2-8 ohm, 3-5W speakers, and 4 Euro 5W speakers.
5W power amplifier on board :This product has its own dual 5W power
amplifier circuit, and must not be connected to another amplifier! The outputs
of the two amplifiers may not be connected in parallel or the negative poles
may be connected together, otherwisethe power amplifier chip may be damaged.