Soundboxx BT

Multifunctional MP3 player and Bluetooth® active speaker with hands-free function in one device

Product Overview

Full of character
The small, cheeky Soundboxx BT MP3-Player brings a fresh concept with its colour combinations and stands out on account of its diverse functions. It’s an MP3-Player and a Bluetooth® active speaker with a hands-free function all in one.

Magic word: Bluetooth®
Thanks to the integrated Bluetooth function, it allows you to play music quickly and simply from a smart phone. And if you have a phone call, you can easily and conveniently take and make calls hands free via the speaker and built-in microphone.

Small but robust!
You always need something to brighten up a rainy day. The Soundboxx BT is exceptionally robust, allowing you to relax and listen to music in any weather conditions. Rain or shine, the IPX4 protection allows it to effortlessly withstand rain and minor splashes.

Experience great sound
Thanks to the built-in memory card slot, you can easily play your favourite music directly from a microSD(HC) memory card via the loud speakers or connected headphones.

Technical details


Interface 1 x Micro-USB 2.0, audio out (3.5 mm), Bluetooth® , memory card reader
Memory extension microSDHC , microSDHC (max. 32 GB)
Dimensions approx. 84 mm x 50 mm x 23 mm
Weight approx. 57 g
Housing material Plastic (Rubber)
Color Black-Blue, Black-Green, Black-Orange
Special features Protected against spray water according to IPX4

Record and playback

Playable audio formats MP3 , WAV

Communication with the computer

Supported operating systems Linux®, Mac® OS X from 10.6.x, Windows 10, Windows 8.1, Windows 8, Windows 7

Other characteristics

Power supply Lithium polymer battery
Charge by Micro-USB port
Maximum operating time 4.5 hours
Package contents Soundboxx BT, Operating instructions, USB cable (USB-A / Micro-USB)


File type: PDF-file
Language: English

Operating instructions

Geeignet für: Soundboxx BT
Version: V1-10
Date: 2020-07-27
File type: PDF
Language: Deutsch, English, Italiano, Español, Français, Svenska


Why can I not turn my Soundboxx BT on?  

The HOLD function is activated.
Check if the key lock (HOLD switch/HOLD function) on the Soundboxx BT is activated. If yes, deactivate the key lock as described in the operating instructions.

No power
With an MP3 player that has an integrated battery:
When the battery is dead, charge your MP3 player either with a USB cable connected to your PC, or with a USB charger.

External effects
External effects (such as an electrostatic discharge) can cause your Soundboxx BT to malfunction. If the malfunction continues after you turn your MP3 player off and on, reset the player or update the firmware (the software of the MP3 player). You can find the procedure for this in the operating instructions. The current firmware for your MP3 player is on our website under "Downloads". If you have any questions concerning the firmware update that were not answered in the instructions, please contact our support team.

Why does my Soundboxx BT freeze?  

If this repeatedly occurs for a specific audio file, the file may be damaged. Delete the file.
If this does not eliminate the problem, reset the player if possible. If your Soundboxx BT still freezes, update the firmware.

Why does my Soundboxx BT does not respond when I press a button?  

The HOLD function is activated.
Check if the key lock (HOLD switch/HOLD function) of your Soundboxx BT is activated. If yes, deactivate the key lock as described in the operating instructions.

Why do I not hear any music from the Soundboxx BT earphones/headphones?  

Check if an audio file is being played (the display of the elapsed or remaining time is changing). If not, start playback on your Soundboxx BT.
Make sure that the stereo jack of the earphones/headphones is firmly seated in the jack socket.
Check if the volume of your MP3 player is loud enough.

Why can't the Soundboxx BT play transferred files?  

Wrong file format
The files might be in a format that your Soundboxx BT cannot play. The file formats supported by your MP3 player can be found on the respective datasheet on the TrekStor homepage at

How can I create MP3 files for my Soundboxx BT?  

To convert audio files (such as music from a CD) into the MP3 format, you need an MP3 encoder (such as the presently free "Audiograbber" program that can be obtained from Instructions and assistance for operating the program can be found under the help function of the program.

What do I have to do, to let my Soundboxx BT play transferred WMA audio files?  

The files are copy-protected.
If the files are WMA DRM copy-protected, you need to copy them through the Windows Media Player®. Check beforehand if your Soundboxx BT can play WMA DRM copy-protected files. You can find this information on the datasheet of your MP3 player on the TrekStor homepage at

Why can't I fast forward and rewind in the Soundboxx BT Bluetooth mode?  

Some functions are not available in Bluetooth mode (for example, fast-forward and rewind, plus the options menu is limited).


How do I change the language of the user interface on my Soundboxx BT?  

Go to "Settings", as described in the instructions. Select your desired language under "Language". Alternatively, reset the Soundboxx BT to its factory settings to specify the language once again.


Why are the audio files on my Soundboxx BT not playing in the correct order?  

Sort your audio files in a subfolder before you copy them, and copy this folder to your Soundboxx BT. In addition, you can sort your audio files by renaming them (by adding numbers such as "001_Title", "002_Title", etc.).

The playback mode "Shuffle" has been selected
If the playback mode "Shuffle" has been selected, switch to the "Normal" playback mode.

What does the strange characters on my Soundboxx BT display mean while playing music?  

The character set is not supported
Some MP3 players cannot correctly display all characters. Only use the standard character set of the menu language selected on the Soundboxx BT when writing file names and ID3 tags, and do not use special characters (such as accents, etc.).

Why can't I exchange music files with other storage devices and my Soundboxx BT via Bluetooth?  

The Bluetooth function of the Soundboxx BT is designed to only stream music on suitable output devices such as Bluetooth speakers and Bluetooth headphones.
It is not possible to guarantee total compatibility with all Bluetooth loudspeakers and headphones.

Why does the Soundboxx BT shuffle mode not work correctly in Bluetooth mode?  

It is not possible to directly activate the shuffle function in Bluetooth mode. Activate the shuffle function first in "Set" - "Play mode" for use in Bluetooth mode.