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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.

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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.

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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.

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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.

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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

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Product Details

Reference RBD-3187

In stock 43 Items

Specific References

EAN13: 3187

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