VHM-314 Bluetooth 5.0 Audio Receiver Board MP3 Lossless Decoder
VHM-314 Bluetooth 5.0 Audio Receiver Board MP3 Lossless Decoder
Upgrade your audio projects with the VHM-314 Bluetooth 5.0 Audio Receiver Board — a compact, high-fidelity wireless module designed for DIY audio builds, amplifier upgrades, and custom speaker systems. At just 30mm × 30mm, this tiny powerhouse delivers big sound in a space-efficient package.
Why Choose the VHM-314 Bluetooth Audio Receiver Board?
Whether you're building a custom amplifier, retrofitting a vintage speaker, or creating a wireless audio project from scratch, the VHM-314 makes it effortless. It connects wirelessly via Bluetooth 5.0 and supports automatic device reconnection — so once paired, it just works every time you power it on.
Key Features
- Bluetooth 5.0 — Stable, low-latency wireless audio streaming up to 15 meters (LOS)
- Lossless Audio Decoding — Supports WAV, APE, FLAC, and MP3 formats for true hi-fi playback
- High-Fidelity Audio Specs: SNR 90dB | THD+N -70dB | Crosstalk -86dB | DNR 91dB
- Stereo Output — Standard 3.5mm stereo audio jack; connect headphones, amplifiers, or powered speakers
- Flexible Power Options — Universal Micro USB 5V input OR 3.7–5V pad for direct lithium battery integration
- Supported Profiles: A2DP / AVCTP / AVDTP / AVRCP / HFP
- LED Indicator — Blue LED stays solid in connected Bluetooth mode; flashes when ready to pair
- Compact Form Factor — 30mm × 30mm board fits virtually any enclosure or project
Technical Specifications
| Bluetooth Version | 5.0 |
| Power Supply | 3.7V–5V (Micro USB or pad) |
| SNR | 90 dB |
| THD+N | -70 dB |
| Crosstalk | -86 dB |
| DNR | 91 dB |
| Wireless Range (LOS) | >15 m |
| Audio Output | 3.5mm Stereo Jack |
| Supported Formats | WAV, APE, FLAC, MP3 |
| Board Size | 30mm × 30mm |
| Bluetooth Name | JH-BT |
How to Pair
- Connect power — the blue LED will flash, indicating the board is ready to pair.
- You will hear a voice prompt: "The Bluetooth device is ready to pair."
- On your phone or device, open Bluetooth settings and search for "JH-BT".
- Tap Connect — the LED will stay solid blue, confirming a successful connection.
- Future connections are automatic whenever the board is powered on.
Perfect For
- DIY Bluetooth speaker builds
- Amplifier and Hi-Fi system upgrades
- Vintage audio equipment retrofits
- Electronics hobbyist and maker projects
- Custom car or home audio installations
For more information on Bluetooth audio standards and wireless technology, visit the NIST Bluetooth Technology Resource.
Frequently Asked Questions
Q: What audio formats does the VHM-314 Bluetooth Audio Receiver Board support?
A: The VHM-314 supports lossless and compressed audio decoding for WAV, APE, FLAC, and MP3 formats, making it ideal for high-fidelity audio projects where sound quality matters.
Q: What power supply does the VHM-314 Bluetooth 5.0 decoder board require?
A: The board accepts a standard Micro USB 5V input or can be powered directly via the 3.7–5V solder pads — perfect for integrating a 3.7V lithium battery into a custom portable audio build.
Q: How do I connect my phone to the VHM-314 Bluetooth audio module?
A: Power on the board — the blue LED will flash and you'll hear a voice prompt. On your phone, search for "JH-BT" in your Bluetooth settings and tap Connect. Once paired, the board will automatically reconnect on future power-ups.
Q: What is the wireless range of the VHM-314 Bluetooth 5.0 receiver board?
A: The VHM-314 delivers a line-of-sight (LOS) wireless range of over 15 meters, providing reliable connectivity across a room or workshop.
Q: Can I use the VHM-314 board with speakers and headphones?
A: Yes. The board features a standard 3.5mm stereo audio output, compatible with headphones, powered speakers, amplifier inputs, and other standard audio equipment.