The VHM-314 5.0 Bluetooth audio receiver board is a versatile and cost-effective module for any audio enthusiast. By using the technical specifications outlined in the , you can seamlessly integrate high-quality wireless sound into your next project.
The VHM-314 is a miniature Bluetooth audio decoder board. It decodes wireless audio signals transmitted from smartphones, tablets, or computers and outputs high-quality, dual-channel analog audio. The board is celebrated for its compact form factor, stable signal transmission, and dual-power input options. Key Features High noise reduction and low distortion.
Use an isolated DC-DC converter (like the B0505S-1W) between the main power supply and the VHM-314. vhm 314 datasheet free
Power the VHM-314 from an isolated power source (like a separate battery or separate USB brick), or add a B0505S isolated DC-DC converter or an audio ground loop isolator between the VHM-314 output and the amplifier input. Issue 2: Audio Stuttering or Short Range
A free datasheet exists for 99% of components, but only if you have the correct part number . The VHM 314 is almost certainly a mislabeled standard part (likely the A3144 Hall sensor ). The VHM-314 5
| Feature | Specification | | :--- | :--- | | | VHM-314 | | Primary Function | Bluetooth Audio Receiver & MP3 Decoder | | Bluetooth Version | 4.1 / 5.0 (varies by version) | | Supported Protocols | A2DP, AVCTP, AVDTP, AVRCP, HFP | | Power Supply (VCC) | 3.7V - 5V DC | | Power Interface | Micro USB or Direct Solder Pads | | Audio Output | 3.5mm Stereo Jack and L/R Solder Pads | | Signal-to-Noise Ratio (SNR) | 90 dB | | Total Harmonic Distortion (THD+N) | -70 dB | | Supported Audio Formats | MP3, WAV, APE, FLAC | | Wireless Range (LOS) | > 15 meters (approx. 50 feet) | | Dimensions (approx.) | 30mm x 30mm (1.2" x 1.2") | | Default Pairing Password | 1688 (for Bluetooth 4.1 versions) |
In the fast-paced world of electronics, precision, efficiency, and reliability are non-negotiable. Whether you are a design engineer, a hobbyist working on a DIY project, or a procurement specialist sourcing components, the one document that stands between you and a successful application is the . Today, we focus on a specific component that has garnered attention in industrial and consumer electronics: the VHM 314 . More importantly, we will guide you on how to obtain a VHM 314 datasheet free of charge, and what vital information you can expect to find inside. Use an isolated DC-DC converter (like the B0505S-1W)
The VHM-314 is designed for simplicity. It typically features a micro-USB port for power and a 3.5mm jack for audio output, making it a "plug-and-play" solution for most applications. Technical Specifications
If you search the major databases (DigiKey, Mouser, Octopart, or even Google Scholar) for "VHM 314," you will likely hit a dead end. This usually means one of three things:
If the part is truly custom (e.g., a coded IC from a specific laptop motherboard or car ECU), the public datasheet may not exist. Here is your workaround:
VHM-314 Bluetooth Audio Receiver Module: Complete Datasheet and Integration Guide
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