Info: If the three upper white LEDs or the middle red LED on your CONCEPT 8 / 12 Subwoofer are blinking and you cannot operate the device, reinstall the update via USB on your PC.
CONCEPT 8 (left) CONCEPT 12 (right)
The update includes the following:
- Fixed: Source LEDs fade to OFF when the lowest brightness is selected
- Fixed: Device switches off during playback on AUX (active source)
- Fixed: Turning off Auto-On now disables Auto-Standby
Update preparation & download firmware file
To perform the firmware update, the following is required:
- Computer
- USB-C to USB-A cable or USB-C data cable
- Firmware update file: Save the update file on your computer and note the location
Download firmware update for Concept 8 subwoofer
Download firmware update for Concept 12 subwoofer
To perform the update, carry out the following steps:
- First disconnect the CONCEPT 8 /12 subwoofer from the power supply and wait approx. 2 minutes until the product is completely discharged.
Note: If the LEDs no longer light up when any buttons on the rear panel are pressed, the residual charge has disappeared.
- Connect the CONCEPT 8 / 12 subwoofer to your computer using the USB cable.
- Press and hold the reset button on the subwoofer while reconnecting the mains cable.
- Your computer will now recognize CONCEPT 8 / 12 as a removable disk in the file explorer.
- Copy the previously saved download file to the "TEUFEL" removable disk
- A loading bar and a message window will appear. Click on "Skip" here. The update will now start automatically. When the "Teufel" entry disappears from the Explorer, the device has been successfully updated.