Frequently asked questions
SPK-ZEBRONICS PORTABLE BLUETOOTH SPEAKER (THUMP 400)
How to use the Micro SD/USB mode?
Power on the ZEB-THUMP 400 speaker. Insert a Micro SD card or USB drive into the appropriate port. The speaker will automatically start playing MP3 files from the inserted media. Use the Prev./Next buttons to navigate through tracks.
How to use the FM Radio feature?
Power on the speaker. Press the MODE button to switch to FM mode. Press Play/Pause to start an auto scan for channels. Use Prev./Next buttons to switch between channels. For better reception, use the included AUX cable as an antenna.
How to activate the TWS (True Wireless Stereo) function?
Power on both ZEB-THUMP 400 speakers. Ensure the secondary speaker is in Bluetooth discovery mode. On one speaker, press and hold the MODE button for 5 seconds. Wait for the speakers to connect automatically. Connect your device to the TWS setup.To exit TWS, press and hold MODE for 5 seconds on either speaker.
How to use the wireless microphone?
Insert batteries into the wireless microphone. Turn on the microphone; it will automatically connect to the speaker. Adjust microphone volume and echo effects using the speaker's controls.
What to do if the speaker doesn't detect media from the Micro SD card or USB drive?
Ensure files are in MP3 format. Check if the card/drive is inserted correctly and undamaged. Restart the speaker and try again.
How to use the speaker with the TWS function active?
Enjoy sound from both speakers by ensuring they're connected correctly and your device is paired with the TWS setup.
What if the wireless microphone isn't working?
Check battery installation and charge. Ensure the microphone is on and within range. Verify proper pairing with the speaker.
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