diy bluetooth 5.0 audio receiver module mp3 bluetooth decoding board vehicle-mounted speakers audio amplifier board 4.1

MP3 Bluetooth Decoding Board Lossless Car Stereo Sound Amplifier Board Modification

Supply Voltage: DC 3.7-5V

Power Supply Interface: MICROUSB Port or 2.54mil Pin Connector

Length x Width x Height: 3.3x3.5x1.1cm

Bluetooth Name: BM3

The Bluetooth password for this batch of goods is: 1688 (you need to input the password to connect, and it cannot be modified).

Communication distance: 3-12 meters (varies due to environmental obstacles)

Supports Bluetooth Version: Supports Bluetooth 4.1 or lower versions

Supported mobile operating systems: Android, iOS

Channel: Stereo

Audio Quality: MP3 Lossless Decoding

Built-in Amplifier: No

External Amplifier: No restriction on the size of the external amplifier

PCB thickness: 1.6mm

Pitch: 2.54 mil

Function Features:

1. Equipped with Bluetooth connection password, preventing others from accidentally connecting.

2. Ultra-small size, easy to embed in modified products.

3. Stereo dual-channel output, compatible with most amplifiers on the market, home theater systems, car audio equipment, and more.

4、StandardMICRO MINIUSB Type-C interface, the same as the charging port of Android phones, can use a mobile phone data line to supply power.

5. Specific DIY embedded modification pins can be connected and modified by soldering on your own circuit board.

6. High-fidelity output circuit with resistor-capacitor isolation, no noise, and excellent sound quality.

7. Wireless USB flash drive, memory card, and button settings, pure mobile phone operation to connect and play MP3

8. Has one status pin, which can be utilized by professionals, such as combining with a microcontroller and relays to create a music-playing lamp.

Application scenario:

1. Car audio modification, home audio modification

2. Personal DIY Bluetooth Speaker, Electronic Project Making

3. Square Dance Sound System, Outdoor Sound Modification