VHM-314 Bluetooth 5.0 Audio Receiver Board – Lossless Stereo DAC

VHM-314 Bluetooth 5.0 Wireless Audio Receiver & Lossless Decoder Board

Upgrade any speaker, car stereo, or home audio system with the VHM-314 Bluetooth 5.0 Audio Receiver Board. This compact 30×30mm module streams crystal-clear, lossless stereo audio wirelessly from your phone, tablet, or any Bluetooth-enabled device — no tangled cables, no quality loss. With a signal-to-noise ratio of ≥90dB and distortion of ≤-70dB, you'll hear your music exactly as it was meant to sound.

Key Features

• Bluetooth 5.0 Wireless Streaming: Pairs quickly and reliably with smartphones, tablets, and computers within a 15-metre (line-of-sight) range. The device broadcasts as "XFW-BT" for easy discovery.
• Lossless MP3 Decoding (DAC): Built-in Digital-to-Analog Converter delivers high-fidelity, lossless audio playback — no compression artifacts, just pure sound.
• Versatile Power Input (3.7–24V DC): Power via a standard Micro USB 5V supply or connect a 3.7V lithium battery for portable projects. Wide voltage range supports a broad variety of DIY applications.
• Standard 3.5mm Stereo Output: Compatible with headphones, amplifiers, powered speakers, and any device with an aux input — plug and play simplicity.
• Dual-Channel Stereo: True two-channel stereo output for immersive, full-range audio.
• Reverse Power Protection: Built-in protection circuitry guards against accidental reverse polarity, protecting your module and your project.
• Clear LED Status Indicator: A blue LED provides instant visual feedback — solid blue means connected and streaming; blinking means pairing mode is active.
• English Voice Prompts: Audio cues guide you through power-on, pairing, and connection events — no guesswork required.
• Ultra-Compact Form Factor: At just 30×30mm and 10g, this board fits seamlessly into enclosures, DIY builds, and retrofits of all sizes.
• Available in Multi-Packs (1–10 pcs): Stock up for multiple projects or bulk builds at great value.

Technical Specifications

What's in the Box

• 1× VHM-314 MP3 Lossless Decoder Board (quantity per your selection)

Setup Instructions

1. Apply power (3.7–24V DC via Micro USB or battery). The blue LED will illuminate solid.
2. An English voice prompt will play, indicating the board is in pairing mode.
3. On your phone or device, open Bluetooth settings and search for "XFW-BT".
4. Select "XFW-BT" to pair. A connection success prompt will play.
5. Begin streaming music — enjoy lossless stereo audio through your connected speakers or headphones.

Note: Slight color variation may occur due to monitor and lighting differences. Please allow ±1–2cm measurement tolerance.

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For general information on Bluetooth wireless technology standards and consumer electronics safety, visit the FCC or refer to NIST's Wireless Networks Division for technical standards guidance.

Frequently Asked Questions

Q: What devices can I pair with the VHM-314 Bluetooth 5.0 audio receiver board?

A: The VHM-314 is compatible with any Bluetooth 5.0 (and backward-compatible) device — including smartphones, tablets, laptops, and computers running iOS, Android, or Windows. It appears as "XFW-BT" in your device's Bluetooth menu for easy pairing.

Q: Can I use this Bluetooth decoder board to upgrade old wired speakers?

A: Absolutely! Simply connect the 3.5mm audio output of the VHM-314 to the aux input of an amplifier or powered speaker system. Power the board via Micro USB (5V) or a 3.7V lithium battery, and your legacy wired speakers instantly become wireless Bluetooth speakers.

Q: What is the transmission range of the VHM-314 Bluetooth 5.0 module?

A: The VHM-314 supports a wireless transmission distance of up to 15 metres (approximately 49 feet) in open, unobstructed line-of-sight conditions. Walls, interference, and obstacles may reduce the effective range.

Q: What voltage does this decoder board require?

A: The VHM-314 supports a wide input voltage range of 3.7V to 24V DC. It can be powered via a standard Micro USB 5V charger or directly from a 3.7V lithium-ion battery, making it suitable for both bench-top and portable DIY projects.

Q: Is the audio output truly lossless with this Bluetooth receiver board?

A: Yes — the VHM-314 features a built-in Digital-to-Analog Converter (DAC) with a signal-to-noise ratio of ≥90dB and distortion of ≤-70dB, delivering high-fidelity, lossless audio reproduction through its 3.5mm stereo output.