Based on data aggregated from numerous seller pages, the following table represents the typical specifications you can expect from a common VHM-314 Bluetooth audio module. Use this as your de facto datasheet.
[Power Supply 5V (+)] --------------> BAT (+) Solder Pad [Power Supply 5V (-)] --------------> GND (-) Solder Pad [VHM-314 L Pad] --------------------> Amp Left Channel Input [VHM-314 G Pad] --------------------> Amp Audio Ground [VHM-314 R Pad] --------------------> Amp Right Channel Input 6. Common Troubleshooting and Optimization vhm 314 datasheet free
Power on the VHM-314 module using your preferred power source. Based on data aggregated from numerous seller pages,
Micro-USB or Type-C port (depending on version) & Lithium battery solder pads ≥is greater than or equal to Total Harmonic Distortion (THD+N) ≤is less than or equal to 0.1% (−70 dB) Dynamic Range (DNR) Crosstalk Frequency Response 20 Hz to 20 kHz Supported Audio Codecs MP3, WAV, FLAC, APE, WMA Supported BT Profiles A2DP, AVCTP, AVDTP, AVRCP, HFP Line-of-Sight Transmission Up to 15 meters (open space) Physical Dimensions Approximately 30mm Module Pinout and Interface Layout Common Troubleshooting and Optimization Power on the VHM-314
