Vhm 314 Datasheet [exclusive] Free -
The VHM-314 board layout is designed for simplicity. It features a mix of plug-and-play connectors and solder points for advanced integration. Power Interfaces
3.7V to 5V DC (supports LiPo batteries via pads or USB power). Bluetooth Version: 5.0 (supports 4.0/4.1/4.2). Audio Output: 3.5mm Stereo Jack + solder pads (L/G/R). Decoding Formats: WAV, APE, FLAC, MP3 (lossless decoding). Performance: SNR (Signal-to-Noise Ratio): -70dB (approx. 0.1%). Transmission Distance: Up to 15 meters in open space. Raspberry Pi Official Magazine Version Variations
A: Some variants are legacy. The datasheet will list “Status: Active/Obsolete.” If obsolete, the datasheet still provides replacement part numbers. vhm 314 datasheet free
After you successfully download the VHM 314 datasheet, turn your attention to these key tables:
The VHM-314 is a highly popular, low-cost Bluetooth 5.0 audio receiver module frequently used in DIY speaker builds and car audio upgrades. Bluetooth Version 5.0 (backwards compatible with 4.1, 4.2) Operating Voltage 3.7V – 5V DC Power Input Micro USB / Type-C (depending on version) or solder pads Audio Output 3.5mm Stereo Jack & Solder Pads (L, R, G) SNR / DNR 90dB / 91dB THD+N Transmission Distance Up to 15 meters (Line of Sight) Supported Formats MP3, WAV, FLAC, APE (Lossless decoding) Profiles A2DP, AVCTP, AVDTP, AVRCP, HFP Version Differences The VHM-314 board layout is designed for simplicity
Lossless Decoding: Supports high-fidelity formats like FLAC and APE, ensuring high-quality audio streaming.Compact Form Factor: Measuring roughly 30mm x 30mm, it fits into almost any enclosure.Auto-Reconnect: Automatically pairs with the last known device upon power-up.Low Latency: Bluetooth 5.0 technology reduces audio lag compared to older 4.0 modules. Safety and Installation Tips
VHM-314 Bluetooth Audio Receiver Module: Pinout, Specs, and Full Datasheet Guide Bluetooth Version: 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) |
Includes onboard tactile buttons for Play/Pause , Next/Volume + , and Prev/Volume - . This version also occasionally includes an onboard lithium battery charging circuit. Schematic Design and Troubleshooting Tips Preventing Ground Loop Noise
Before searching, look closely at the chip on your particular VHM-314 module. The markings (e.g., AC1847AP1P803 , AS19AP28150 ) are the key to unlocking the correct technical details.
