Shockley MH-MX38 5V/3.7V-4.2V wireless Bluetooth 5.0 audio module with built-in 5W+5W power amplifier

Features:
1. This product is a low-power bluetooth design solution that supports the latest bluetooth 5.0 transmission.
2. Two-channel stereo lossless playback,
3. After the module is connected to Bluetooth, it can quickly realize Bluetooth wireless transmission, which is very convenient.
4. In an open environment, the Bluetooth connection distance can reach 20 meters.
5. Widely used in various Bluetooth audio reception, various audio DIY modification, etc.
Product parameters:
Bluetooth version: V5.0 (downward compatible)
Built-in 5W+5W power amplifier
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
Working voltage: 5V/3.7V-4.2V
Unconnected broadcast status: 5.5MA
Connection, working status: 20MA
Deep sleep: 3UA
Transmission distance: 20 meters (open space or low interference environment)
Working temperature: -40°C to +85°C
Sensitivity: -87dbm
Function Description:
1. Bluetooth V5.0 version, support Bluetooth automatic connection technology, support WAV/WMA/FLAC/APE/MP3 lossless decoding, stereo two-channel output
2. After the module is powered on, the mobile phone searches for the Bluetooth name XFW-M18 and can play music after connecting to Bluetooth;
3. Module blue indicator light:
When the Bluetooth is not connected, the indicator light flashes quickly;
When the bluetooth is connected, the indicator light is always on;,
When Bluetooth is playing, the indicator light flashes slowly.
M38:
Pin description:
5V - power supply positive 5V
GND - negative pole of power supply
VBAT - lithium battery positive 3.7-4.2V
L+/L-——Left channel output (directly connected to the speaker)
R+/ R-——Right channel output (directly connected to the speaker)
1. Power supply: you can directly use the MICRO USB Android line 5V to directly supply power
It can also be connected to a 5V power supply or a 3.7V lithium battery (as shown in the figure above). 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 working current is 5V2A, it is recommended to use a 5V2A regulated power supply for better sound quality.
2. Support USB sound card, driver-free (plug and play). Connect the model with a USB data cable
The block is connected to the computer, and the computer can play music through the power amplifier of the module. 3. Audio output: Output left and right channel stereo audio signals, which can be connected to two 2-
8 ohms, 3-5W speakers, and 4 ohms 5W speakers for storage.
4. This product has its own dual 5W power amplifier circuit, and it must not be used with another power amplifier!
The output of the two power amplifiers cannot be connected in parallel or the negative poles are connected together, otherwise the power amplifier chip will be damaged.
Product List:
1X module
2X line