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The VHM-314 is a compact Bluetooth 5.0 audio receiver / decoder module with USB Type-C input (and optional 3.7–5 V supply pads). It allows you to stream wireless audio to speakers or amplifiers via a stereo analog output, making it ideal for DIY audio projects, upgrading non-Bluetooth systems, or embedding into devices.
| Parameter | Value / Range |
|---|---|
| Bluetooth Version | 5.0 (backward compatible with 4.x) |
| Supply Voltage | 3.7 V to 5.0 V DC (via pad or USB Type-C) |
| Operating Current | ~20 mA (typical) |
| Signal-to-Noise Ratio (SNR) | ~ 90 dB |
| THD + N | –70 dB |
| Crosstalk | –86 dB |
| Dynamic Range (DNR) | ~ 91 dB |
| Supported Bluetooth Profiles | A2DP, AVCTP, AVDTP, AVRCP, HFP |
| Wireless Range | Up to ~15 m (open space) |
| Frequency Response | 20 Hz – 20 kHz |
| Audio Output | Stereo analog output (3.5 mm jack or line-out pads) |
| Audio Formats / Decoding | MP3, WAV, FLAC, etc. (lossless decoding support) |
| Operating Temperature | –40 °C to +85 °C (typical module spec) |
| Dimensions / Package | Type-C board variant; module layout (size approx from board listings) |
| Other Features | LED indicator, support for USB audio / PC mode on some variants |
| Weight | 0.032 kg |
|---|
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