Banner

Bluetooth 5.0 Pro MP3 Decoder Board Audio Receiver

Reference RBD-3187

Bluetooth 5.0 Pro MP3 Decoder Board for high-quality, lossless wireless audio transmission.
Supports simultaneous charging and playback with built-in power management circuit.
Hands-free calling with onboard microphone or headset mic support.
Equipped with LED indicators for Bluetooth mode, charging, and low battery status.
Offers 15m Bluetooth range with profiles like A2DP, AVRCP, and HFP.
Ideal for DIY Bluetooth speakers, amplifiers, and portable audio projects.

Description
Product Details

Description

The Bluetooth 5.0 Pro MP3 Decoder Board Audio Receiver is a versatile, high-performance module designed for wireless audio systems. It features Bluetooth 5.0 connectivity for stable, long-range transmission and lossless sound quality suitable for modern audio applications. The board includes a charging/discharging circuit, enabling simultaneous power supply and playback, while its LED indicators display operating modes like Bluetooth, charging, and low battery. With integrated hands-free calling, onboard microphone support, and a standard 3.5mm audio jack, this compact board is perfect for DIY audio systems, portable Bluetooth speakers, car kits, and amplifiers. Its easy pairing process and durable ABS enclosure make it a reliable and user-friendly solution for wireless audio enthusiasts. Featured By RoboticsBD.

Product Images are shown for illustrative purposes only and may differ from the actual product.

RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD

Features:

Bluetooth 5.0 Technology: Ensures stable, high-quality, lossless sound transmission.
Dual Power Mode: Operates on USB or external battery power (3.7V–5V).
Simultaneous Charging and Playback: Built-in power management circuit maintains performance while charging.
Hands-Free Call Support: Built-in microphone or external headset mic for calling.
Multi-Device Compatibility: Works with phones, speakers, amplifiers, and Bluetooth headphones.
LED Status Indicators: Blue (Bluetooth mode), Red (charging), Yellow (low battery).
Compact Design: Lightweight and durable ABS case (42.85 × 39.8 × 16.76 mm).
High Signal Quality: 90dB SNR with minimal distortion (-70dB THD+N).
Easy Pairing: Appears as “VHM-314” for quick Bluetooth connection.
Long Transmission Range: Stable operation with over 15 meters of line-of-sight connectivity.

RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD

Applications:

DIY Bluetooth Speakers: Create high-quality, wireless audio devices.
Portable Audio Systems: Power compact, rechargeable music setups.
Hands-Free Car Kits: Enable wireless calling and music playback in vehicles.
Audio Amplifier Projects: Add Bluetooth streaming to existing amplifier designs.
Wireless Audio Solutions: Ideal for retrofitting wired sound systems with Bluetooth.

RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD

General Specifications
Model	Bluetooth 5.0 Pro MP3 Decoder Board
Bluetooth Version	5.0
Power Supply	3.7V – 5V (USB or battery pad)
Bluetooth Range	>15 meters (line of sight)
Audio Output	3.5mm stereo jack
Supported Profiles	A2DP, AVCTP, AVDTP, AVRCP, HFP
Signal-to-Noise Ratio (SNR)	90dB
Total Harmonic Distortion (THD+N)	-70dB
Crosstalk	-86dB
Dynamic Range (DNR)	91dB
LED Indicators	Blue (Bluetooth), Red (charging), Yellow (low battery)
Case Material	ABS
Board Dimensions	38 × 36 mm
Case Dimensions	42.85 × 39.8 × 16.76 mm
Weight	19.3 g
Applications	Audio receivers, speakers, car kits, amplifiers
Shipment Weight	0.0193 kg
Shipment Dimensions	4 × 4 × 2 cm

Please allow 5% measuring deviation due to manual measurement.

RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD

Documentation:

How to Use

Power On:

Supply power via the USB port or external battery.
The blue LED will light up, indicating Bluetooth mode is active.

Pairing:

Search for the device "VHM-314" on your phone.
Connect to the decoder board.
A voice prompt will confirm successful connection.

Music Playback:

Play audio from your paired device.
Output audio via the 3.5mm jack to headphones, speakers, or amplifiers.

Calling Function:

Answer or hang up calls using the PLAY/STOP button.
Use the onboard microphone or a connected headset mic for communication.

Package Includes:

1 x Bluetooth 5.0 Pro MP3 Decoder Board Audio Receiver

RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD

Product Details

Reference RBD-3187

In stock 43 Items

Specific References

EAN13: 3187

Comments (0)

Grade

No customer reviews for the moment.

16 other products in the same category:

Reference: RBD-3189

LD3320 Speech Recognition Module for Nonspecific Human Speech

(0)

Summary (Bullet list): LD3320 Speech Recognition Module supports nonspecific human speech without pre-training. Recognizes natural language commands in multiple languages. Allows up to 50 dynamically editable keywords for real-time customization. Equipped with microphone input and speaker/headphone output for full audio handling. Communicates via SPI...

BDT 2,250

BDT 2,250 tax incl.

BDT 2,250 tax excl.

BDT 2,250 tax incl.

BDT 0 Tax

BDT 2,250 tax excl.

BDT 0 Tax

BDT 2,250 tax incl.

Last items in stock

In stock: 3

Gravity: Offline Language Learning Voice Recognition Sensor for Arduino / Raspberry Pi / Python / ESP32 - I2C & UART Robotics

Reference: RBD-2496

Brand: DFRobot

Gravity: Offline Language Learning Voice Recognition Sensor for Arduino / Raspberry Pi / Python / ESP32 - I2C & UART

(0)

Operating Voltage: 3.3 – 5V Maximum Operating Current: ≤370 mA (5V) Communication: I2C/UART I2C Address: 0x64 Fixed Command: 121 Self-learning function

BDT 2,269

BDT 2,269 tax incl.

BDT 2,269 tax excl.

BDT 2,269 tax incl.

BDT 0 Tax

BDT 2,269 tax excl.

BDT 0 Tax

BDT 2,269 tax incl.

Last items in stock

In stock: 3

Gravity: Voice Recorder Module Robotics Bangladesh

Reference: RBD-2541

Brand: DFRobot

Gravity: Voice Recorder Module

(0)

Compact voice recorder module with record & play functions Supports up to 10 seconds of voice recording and playback Simple operation with press-to-record button control Compatible with 8Ω 3W speakers or external active speakers 3-pin digital interface for Arduino or microcontroller playback triggering Lightweight, easy integration for DIY and...

BDT 950

BDT 950 tax incl.

BDT 950 tax excl.

BDT 950 tax incl.

BDT 0 Tax

BDT 950 tax excl.

BDT 0 Tax

BDT 950 tax incl.

In-Stock

In stock: 8

HLK-V20 Speech Recognition Module Human Speech Voice Control Module Robotics Bangladesh

Reference: RBD-1772

Brand: Hi-Link

HLK-V20 Speech Recognition Module Human Speech Voice Control Module

(0)

Small size package Local voice Customized voice wake-up/command words Universal Serial Port Protocol Support Chinese and English The number of command words reaches 150

BDT 1,550

BDT 1,550 tax incl.

BDT 1,550 tax excl.

BDT 1,550 tax incl.

BDT 0 Tax

BDT 1,550 tax excl.

BDT 0 Tax

BDT 1,550 tax incl.

In-Stock

In stock: 4

Reference: RBD-1867

TDA7297 Audio Amplifier Module

(0)

Original TDA7297 core technology Easy Plug and Play Operation Dynamic operating Voltage Range: 8 to 16V High fidelity Dual 15W output.

BDT 490

BDT 490 tax incl.

BDT 490 tax excl.

BDT 490 tax incl.

BDT 0 Tax

BDT 490 tax excl.

BDT 0 Tax

BDT 490 tax incl.

In-Stock

In stock: 13

Gravity: Speech Synthesis Module V2.0 (Support English and Chinese) Robotics Bangladesh

Reference: RBD-1970

Brand: DFRobot

Gravity: Speech Synthesis Module V2.0 (Support English and Chinese)

(0)

Version 2.0 More natural pronunciation Fewer pronunciation errors for polyphone characters No option of speakers

BDT 3,290

BDT 3,290 tax incl.

BDT 3,290 tax excl.

BDT 3,290 tax incl.

BDT 0 Tax

BDT 3,290 tax excl.

BDT 0 Tax

BDT 3,290 tax incl.

In-Stock

In stock: 4

Reference: RBD-3659

CH7003 & CH7800 MP3 Serial Control Voice Playback Module with 16MB Storage

(0)

The CH7003 & CH7800 MP3 Voice Module is a high-performance, serial-controlled voice playback solution designed for embedded systems, interactive devices, and DIY projects. With plug-and-play USB connectivity, you can easily upload your own MP3 files—no burner, special software, or repeated writing is needed. Simply drag and drop files into the virtual...

BDT 795

BDT 795 tax incl.

BDT 795 tax excl.

BDT 795 tax incl.

BDT 0 Tax

BDT 795 tax excl.

BDT 0 Tax

BDT 795 tax incl.

Last items in stock

In stock: 2

Reference: RBD-3188

LU-ASR01 Intelligent Voice Recognition Module

(0)

LU-ASR01 Intelligent Voice Recognition Module with 98% accuracy and up to 10 m recognition range. Supports 5 customizable wake-up words and up to 100 user-defined voice commands. No programming required — configured via Tianwen Block graphical software. Features 8 I/O ports, PWM, UART, and sensor support (DHT11 / DS18B20). Includes 3 W audio amplifier for...

BDT 680

BDT 680 tax incl.

BDT 680 tax excl.

BDT 680 tax incl.

BDT 0 Tax

BDT 680 tax excl.

BDT 0 Tax

BDT 680 tax incl.

In-Stock

In stock: 15

Reference: RBD-0990

XFS5152CE Speech Synthesis Module TTS Voice Module

(0)

Support any Chinese text, English text synthesis, and support for English mixed Support voice codec function, the user can use the chip for direct recording and playback Support speech recognition function, can support the recognition of 30 command words.

BDT 2,100

BDT 2,100 tax incl.

BDT 2,100 tax excl.

BDT 2,100 tax incl.

BDT 0 Tax

BDT 2,100 tax excl.

BDT 0 Tax

BDT 2,100 tax incl.

In-Stock

In stock: 6

Reference: RBD-3777

JQ8400-FL Mini MP3 Player Audio Module

(0)

The JQ8400-FL Mini MP3 Player Audio Module is a compact, efficient, and versatile audio solution designed for embedded systems, DIY electronics, and portable devices. Capable of decoding standard MP3 formats with a wide range of sample rates, it delivers high-quality sound output in a small footprint.

BDT 390

BDT 390 tax incl.

BDT 390 tax excl.

BDT 390 tax incl.

BDT 0 Tax

BDT 390 tax excl.

BDT 0 Tax

BDT 390 tax incl.

In stock

In stock: 13

Reference: RBD-2919

MAX98357A I2S DAC Class D Mono Amplifier Module

(0)

Compact mono Class D amplifier based on MAX98357A chip Delivers 3W output power at 4–8Ω speakers I2S digital audio input for Raspberry Pi, ESP32, and other MCUs Gain set at 9dB, optimized for portable speaker applications Small form factor, less than 2cm per side for easy integration Screw terminals for secure speaker connectionComes without soldering

BDT 450

BDT 450 tax incl.

BDT 450 tax excl.

BDT 450 tax incl.

BDT 0 Tax

BDT 450 tax excl.

BDT 0 Tax

BDT 450 tax incl.

In-Stock

In stock: 31

Reference: RBD-3084

Ai-Thinker VC-Burner Debugger

(0)

High-performance burning tool for Ai-Thinker VC series offline voice modules Powered by a 32-bit RISC P2064AF2 processor with up to 120MHz CPU frequency Supports USB2.0 with automatic device recognition for fast and stable burning Compatible with Windows 7 X64 and above, designed exclusively for Windows systems Works seamlessly with VC-01, VC-02,...

BDT 1,895

BDT 1,895 tax incl.

BDT 1,895 tax excl.

BDT 1,895 tax incl.

BDT 0 Tax

BDT 1,895 tax excl.

BDT 0 Tax

BDT 1,895 tax incl.

In-Stock

In stock: 6

Reference: RBD-3199

ESP8266 Infrared Emission and Reception NEC Command Wi-Fi Module Type-C

(0)

ESP8266 Infrared Wi-Fi Module with NEC command emission and reception. Built-in ESP-12F chipset supporting IEEE 802.11 b/g/n Wi-Fi networking. Type-C interface for modern connectivity and power supply. Web-based configuration for easy Wi-Fi setup and debugging. Supports cross-room control via Wi-Fi and infrared signals. Ideal for smart home automation,...

BDT 620

BDT 620 tax incl.

BDT 620 tax excl.

BDT 620 tax incl.

BDT 0 Tax

BDT 620 tax excl.

BDT 0 Tax

BDT 620 tax incl.

In-Stock

In stock: 17

Reference: RBD-1021

PAM8406 5Wx2 Class D Digital Stereo Audio Power Amplifier Module Board

(0)

Operating voltage: 2.5V-5.5V, recommended 5V Speaker Load: 2-8 Ohms Input and Output Connectors: Pins on 0.2" centers Size: 24 x 23 x 105 mm (L x W x H) Net weight: 3g

BDT 199

BDT 199 tax incl.

BDT 199 tax excl.

BDT 199 tax incl.

BDT 0 Tax

BDT 199 tax excl.

BDT 0 Tax

BDT 199 tax incl.

In-Stock

In stock: 97

Reference: RBD-1582

TDA7492P Bluetooth 4.2 CSR8635 Bluetooth Receiver Amplifier Audio Board 2x25W for 4/6/8/16 Ohm Speakers Module Parts Component

(0)

25 W + 25 W continuous output power at THD = 10% with VCC= 20 V and RL= 8 Ω Wide-range single-supply operation (8 – 26 V) High efficiency (η = 90%) Four selectable, fixed gain settings of nominally 21.6 dB, 27.6 dB, 31.1 dB and 33.6 dB Differential inputs minimize common-mode noise Standby and mute features Short-circuit protection

BDT 895

BDT 895 tax incl.

BDT 895 tax excl.

BDT 895 tax incl.

BDT 0 Tax

BDT 895 tax excl.

BDT 0 Tax

BDT 895 tax incl.

In-Stock

In stock: 16

Reference: RBD-2218

WT588D Audio Wi-Fi Receiver Voice Sound Audio Player Module

(0)

Module package (with FLASH memory and peripheral circuits) have DIP16, DIP28, chip packaging has DIP18, SSOP20, and LQFP32 form. Built 13Bit/DA converter, and 12Bit/PWM output. PWM output can directly drive 0.5W/8Ω speakers, push-pull current abundant support DAC / PWM output of two ways. Support for loading WAV audio formats. USB download mode, support...

BDT 450

BDT 450 tax incl.

BDT 450 tax excl.

BDT 450 tax incl.

BDT 0 Tax

BDT 450 tax excl.

BDT 0 Tax

BDT 450 tax incl.

In-Stock

In stock: 19

Frequently purchased together
Products from the same category

Reference: RBD-1171

Solder Sucker- desoldering pump.

(0)

New Solder Sucker Desoldering Pump Tool Removal Vacuum Soldering Iron Desolver Metal Body, high sucting power, light weight. RoboticsBD Back pull pattern for the inner spring instantaneous suction is strong. Slimline outlook, airtight structure allow one-headed operation. All metal construction is ideal for heavy use including production re-work and...

BDT 85

BDT 85 tax incl.

BDT 85 tax excl.

BDT 85 tax incl.

BDT 0 Tax

BDT 85 tax excl.

BDT 0 Tax

BDT 85 tax incl.

In-Stock

In stock: 30

1-Channel Relay Module - 12V (High and Low Level Trigger)

(0)

1-Channel 12V Relay Module for switching high-voltage loads Selectable High or Low level trigger via onboard jumper Supports up to 10A at 250VAC / 30VDC load capacity Compatible with 3.3V and 5V logic systems Screw terminal block for secure load connection Built-in freewheeling diode and LED status indicator

BDT 135

BDT 135 tax incl.

BDT 135 tax excl.

BDT 135 tax incl.

BDT 0 Tax

BDT 135 tax excl.

BDT 0 Tax

BDT 135 tax incl.

In-Stock

In stock: 45

Reference: RBD-3446

DC 12-24V Dual MOS Time Delay Cycle Timer Module

(0)

DC 12-24V Dual MOS Time Delay Cycle Timer Module with high-precision industrial-grade chip Supports delay start, cyclic timing, trigger control & auto-loop modes Powerful MOSFET output up to 400W (15A max) for high-load control Wide timing range from 0.1 seconds to 999 minutes Optocoupler isolation, short-circuit & reverse polarity protection...

BDT 350

BDT 350 tax incl.

BDT 350 tax excl.

BDT 350 tax incl.

BDT 0 Tax

BDT 350 tax excl.

BDT 0 Tax

BDT 350 tax incl.

In-Stock

In stock: 14

Reference: RBD-3447

Relay Module Combined Light-Operated Switch 12V 10A/250VAC

(0)

Relay Module Combined Light-Operated Switch for automatic light-based control Operates on 12V DC supply with built-in light sensor Supports 10A load at 250VAC / 30VDC Integrated SRD-12VDC-SL-C high-quality relay Standard 2.54mm goldpin connectors for easy interfacing Ideal for automatic lighting, security & energy-saving systems

BDT 260

BDT 260 tax incl.

BDT 260 tax excl.

BDT 260 tax incl.

BDT 0 Tax

BDT 260 tax excl.

BDT 0 Tax

BDT 260 tax incl.

In-Stock

In stock: 30

Reference: RBD-3444

VS1053 MP3 Recording Module Development Board with Onboard Recording Function

(0)

VS1053 MP3 Recording Module with real-time OGG encoding support Supports multiple audio formats including MP3, WAV, and MIDI SPI interface for easy microcontroller integration Onboard microphone, line-in input, and stereo headphone output TF (microSD) card slot for audio storage and playback Ideal for MP3 players, voice recorders, and embedded audio systems

BDT 680

BDT 680 tax incl.

BDT 680 tax excl.

BDT 680 tax incl.

BDT 0 Tax

BDT 680 tax excl.

BDT 0 Tax

BDT 680 tax incl.

In-Stock

In stock: 10

Follow us on Facebook

Facebook