VHM-314 Bluetooth 5.0 Audio Receiver Module

Technical Specifications

The VHM-314 Bluetooth 5.0 Audio Receiver Module is equipped with the following technical specifications:

• Power Supply: 3.7-5V
• Signal-to-Noise Ratio (SNR): 90dB
• Total Harmonic Distortion + Noise (THD + N): -70dB
• Crosstalk: -86dB
• Dynamic Noise Reduction (DNR): 91dB
• Support Profile: A2DP/AVCTP/AVDTP/AVRCP/HFP
• Line of Sight (LOS): >15m

Interface Details

The module features several interfaces, including:

• USB Powered: A universal micro USB 5V power supply
• 3.7-5V Supply Pad: An external 3.7-5V lithium battery power conversion
• LED Indicator: A blue light that indicates Bluetooth mode
• 3.5mm Stereo Audio Interface: A standard 3.5mm interface that outputs stereo audio source and can connect to headphones, amplifiers, and other devices

Instructions

Upon powering on, the blue LED indicator illuminates, signifying that the module has entered Bluetooth mode. The message "Bluetooth device is ready to pair" will be displayed, indicating that the module is in Bluetooth mode and awaiting pairing. The device name "XY_BT" will appear on your mobile phone's Bluetooth device list. Click to connect, and the decoder board will display the message "Bluetooth device is successfully connected". This message confirms that the decoder board and the mobile phone have successfully paired, allowing you to stream music.