Route the Left, Right, and Ground audio output pins of your new module directly into the audio input pins (or auxiliary jack solder pads) of the VHM-314.
Modifying the broadcast name of the VHM-314 requires a bit of technical workaround, as the board does not feature a user-friendly software interface or built-in configuration buttons.
For the truly dedicated, it is technically possible to change the name by dumping and modifying the firmware of the Bluetooth chip. This is a complex process that requires specialized hardware, software, and significant technical expertise.
Connect the module via USB, open PS Tools, and ensure it connects.
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Tap the or the info button next to the device name. Select Rename , type your preferred name, and tap Save . On iPhone/iPad : Go to Settings > Bluetooth . Tap the (i) icon next to the connected device. Tap Name , enter the new name, and press Done . On Windows :
Note: While many Bluetooth modules use serial (UART) AT commands to change names, the VHM-314 utilizes specialized Bluetooth 5.0 chips. Changing its name typically requires advanced, hardware-level methods involving specialized programmers, rather than simple software commands. Why Change the VHM-314 Bluetooth Name?
Many Bluetooth modules that transmit audio (like the HC‑05 used in Arduino projects) allow name changes because they expose a full UART command interface. The VHM‑314 is designed purely as a receiver – its only job is to receive and decode audio. Exposing a configuration interface would add cost and complexity that Chinese manufacturers deliberately avoided to keep the price under £2.
You must identify the SPI (Serial Peripheral Interface) pins on the VHM-314 board—specifically SPI_CS, SPI_CLK, SPI_MISO, SPI_MOSI, and GND. These are often tiny pads on the PCB.
Since "Vhm-314" appears to be a technical ticket, issue ID, or a specific task identifier (likely from a software development or IT support context), I have structured this as a .
When you have multiple VHM-314 units in your house, changing their names (e.g., to "LivingRoom-BT" or "Workshop-Speaker") prevents connection errors.
| Reported Bluetooth Name | Source / Version | Notes | |------------------------|------------------|-------| | XY_BT | Most common default | Used on many “XY‑BT” labelled boards; also documented by multiple sellers. | | VHM-314 | Basic generic name | Listed as the device name in many product descriptions. | | VHM-314-V3.0 | V3.0 version | Official Bluetooth name for the V3.0 board (with EQ and IR control). | | XIDADIANZI | An actual module tested by Raspberry Pi Magazine | The seller claimed the name would be ‘XY_BT’, but the real unit broadcast ‘XIDADIANZI’. | | BT-Speaker | Some generic variants | Used on boards that have been rebadged by third‑party sellers. | | Bluetooth Device | Fallback when no custom firmware present | Some very cheap clones fall back to a bare‑bones system name. |