Vhm 314 Datasheet Free ((exclusive)) Jun 2026
Powering the Module: Supply 5V via the Micro-USB port or solder a 3.7V battery to the BAT terminals. Note: Do not supply 5V to the battery pads as it lacks a charging circuit.
The VHM-314 leverages a high-performance Bluetooth 5.0 decoder chip (often the ) to provide stable, lossless audio transmission. Specification Bluetooth Version 5.0 (Backward compatible with 4.1/4.2) Operating Voltage DC 3.7V – 5V Power Consumption ~20mA (Working), SNR (Signal-to-Noise Ratio) ≥is greater than or equal to THD+N -70dB (Total Harmonic Distortion) Transmission Range Up to 15 meters (Line of Sight) Audio Formats WAV, APE, FLAC, MP3 Dimensions ~30mm x 30mm Key Features vhm 314 datasheet free
The VHM-314 stands out for its low cost, compact design, and support for lossless audio. It's the perfect component for breathing wireless life into old audio gear and creating your own custom Bluetooth audio devices. We encourage you to use this guide as your reference, explore the linked resources for deeper dives, and start planning your next audio project with confidence. Powering the Module: Supply 5V via the Micro-USB
This article provides a comprehensive overview of the technical specifications, pinout configurations, application guidelines, and firmware operations typically found in a standard hardware datasheet. Technical Specifications Matrix Specification Bluetooth Version 5
| Specification | Details | | :--- | :--- | | | VHM-314 | | Main Chip | AC1847AP1P803 (or variants like AS19AP) | | Primary Function | Bluetooth Audio Receiver / MP3 Decoder | | Bluetooth Version | 4.1 / 5.0 (varies by version; V2.0 often 5.0) | | Operating Voltage | 3.7V - 5V DC | | Power Supply | microUSB port or via solder pads for a Li-ion battery | | Audio Output | 3.5mm stereo jack + L/R solder pads | | Signal-to-Noise Ratio (SNR) | 90 dB | | Total Harmonic Distortion (THD+N) | -70 dB | | Dynamic Range (DNR) | 91 dB | | Crosstalk | -86 dB | | Supported Protocols | A2DP, AVCTP, AVDTP, AVRCP, HFP | | Supported Audio Formats | MP3, WAV, APE, FLAC (lossless playback) | | Range (LOS) | >5m to up to 15m | | Dimensions | Approx. 30 x 30 mm | | Weight | ~5 grams |
Bluetooth 5.0 core compatibility for stable, long-range connection. 2. Technical Specifications