Vhm 314 Datasheet Fixed Free Jun 2026
: It can be powered via a Universal Micro USB/Type-C 5V port or through dedicated 3.7V lithium battery pads (VBAT/GND).
She leaned back, smiling. The datasheet was free. The truth, however, had cost her the only error she was ever grateful to forget.
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 vhm 314 datasheet free
| 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) |
This is the "gain" of the sensor. For example, a sensitivity of means a 100 Gauss field will change the output by 250mV. Do not guess this value; consult the free datasheet. : It can be powered via a Universal
: An onboard blue LED indicates pairing status.
The module is designed for low power consumption and high-quality audio reproduction, characterized by the following parameters: DC 3.7V to 5V. Signal-to-Noise Ratio (SNR): ≥is greater than or equal to Total Harmonic Distortion (THD+N): ≤is less than or equal to 0.1% (-70dB). Frequency Response: 20Hz to 20kHz. Supported Audio Formats: MP3, WAV, FLAC, and APE. Bluetooth Profiles: A2DP, AVCTP, AVDTP, AVRCP, and HFP. Key Features and Connectivity The truth, however, had cost her the only
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: Use the Micro-USB Port for 5V power or the BAT+ and BAT- pads for a lithium battery.
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