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  • Thank you for your trust in our company and for buying your new Music Box 5+ Yall edition, a portable speaker with Bluetooth 4.1 that plays your music via Bluetooth, FM Radio and audio-in as well as from microSD cards up to 128 GB. Choose what you prefer any time. We hope you enjoy it.

  • Before you start using your speaker, we strongly recommend to read this manual in order to get used to it.

    Care and maintenance

  • Do not expose your Music Box 5+ Yall edition to humidity or heat.

  • Do not use neither corrosive nor abrasive cleaning products.

  • Do not disassemble the device. All reparation works should be carried out exclusively by qualified staff of Energy Sistem Technology, S.A.

  • Turn off your Music Box 5+ Yall edition when you are not using it and do not let it completely discharged for a long time.

Technical specifications


  • 2.0 sound system
  • Power: 10 W
  • Speakers: 2 dynamic full range stereo speakers with a 40 mm diameter
  • Passive radiators: 2 membranes
  • Frequency response: 60 - 18.000 Hz
  • S/N ratio > 80 dB
  • THD < 1%


  • Bluetooth 4.1, class II
  • Operating range: 10 m
  • It supports HSP / HFP / A2DP / AVRCP protocols
  • Operating frequencies: 2.4 GHz
  • Maximum output power: 3.41 dBm


  • 87.5 to 108 MHz FM radio with presets
  • MicroSD decoder: reads MP3/ WAV files from external units of up to 128 GB capacity with FAT/ FAT32 file system.
  • Microphone sensitivity: -42 dB

Rechargeable battery specifications

  • Capacity: 2000 mAh
  • Type: lithium polymer
  • MicroUSB charging system

  • Battery life: *
50 % 70 % 100 %
Bluetooth/ external storage units 14 hours 9 hours 5 hours
Radio 10 hours 7 hours 4 hours

*The battery life depends on the selected volume level and the type of music you play. Bass tones such as drums consume a large amount of battery.

Product content

  • Music Box 5+ Yall edition
  • Audio cable
  • USB charging cable
  • Yall edition backpack
  • Limited edition lanyard

General overview

1. On/ Off, Play/ Pause and call control
2. Change function/ Bluetooth search
3. Volume -
4. Volume +
5. Back
6. Next
7. Function indicator
8. Microphone
9. MicroSD slot
10. 3.5 mm mini jack input
11. Charge indicator
12. MicroUSB charging port

Main functions

Switching on and off the device

Press and hold the On/ Off button (1) for 2 seconds to turn on the device and you will see that the Function indicator (7) turns on. You will also hear a confirmation sound when switching on the device.

Press and hold the On/ Off button (1) for 2 seconds to turn off your device. You will hear a confirmation sound and the Function indicator (7) will switch off.

Charging the battery

When the battery level is below 10%, you will hear a sound that will remind you to charge it. Plug the mini USB end of the provided USB cable into the MicroUSB charging port (12) of your Music Box 5+ Yall edition and the other USB end to any device with an USB charging port to provide energy (PC, USB wall charger, car charger, etc.) to charge the battery. The Charge indicator (11) will light up red. The charging time is approximately 3 hours.


  • Use a 5 V 2 A power adapter.
  • Do not leave your Music Box 5+ Yall edition completely discharged for a long time.

Playback modes

Press the Change function button (2) to select one of the following playback modes:

Imagen1 Bluetooth (blue indicator)

Imagen1 FM radio (green indicator)

Imagen1 MicroSD reader (white blinking indicator)

Imagen1 Audio-In (fixed white indicator)

Bluetooth connection

Press and hold the Change function button (2) for 2 seconds to start the Bluetooth search. At this point, the Function indicator (7) starts blinking blue. Access the list of available devices on your smartphone or tablet and once there, select your "Music Box 5+". The devices will be connected without codes. Once the connection has been established, you will hear a confirmation sound.

At this point, you will be able to start playback on your smartphone or tablet. The range of the Bluetooth wireless connection is up to 10 meters.

Control playback from the speaker by pressing Next (6), Back (5) and Play/ Pause (1).

Your Music Box 5+ Yall edition will save the last connected device when turning off the speaker and will automatically pair with it when you turn on the speaker once again.

Press and hold the Change function button (2) for 2 seconds to start a new Bluetooth search and pair your speaker with a different smartphone or tablet.

Call control

Once the speaker and your smartphone are paired, you will be able to answer incoming calls from the speaker itself.

When receiving a call, the song you are listening to will stop and the ringing tone will sound instead. Press the Play/ Pause and call control button (1) to answer an incoming call and press it once again to hang up. The song will automatically resume afterwards.

Keep a distance of 30-50 cm from the speaker for a proper voice reception. The Microphone (8) is placed behind the front grille of your Music Box 5+ Yall edition.

FM radio

Once the FM radio is enabled, press and hold the Change function button (2) for 2 seconds to start searching for FM radio stations. At this point, the Function indicator (7) starts blinking green. The process may take a few minutes. Once the search has been completed, press Next (6) or Back (5) to select the radio station that you want to hear from all saved radio stations.

If you place the speaker somewhere else, you will have to carry out a new search to obtain a proper radio wave reception.

Your Music Box 5+ Yall edition will save the last selected radio station when you turn it off and on once again.

Note: You can plug the USB chargin cable (provided with the product) for a better radio wave reception it will act as external radio antenna improving the radio wave reception.

MicroSD reader

The device plays .mp3 and .wav files from your microSD cards (up to 128 GB). Once the microSD card has been inserted, the Function indicator (7) will start blinking. This means that the device is reading the memory card and the contents will play automatically after a few seconds.

If you turn off the speaker or remove the storage unit, the internal memory will save the moment when you paused playback. If you connect the same removable storage unit once again, playback will resume and the last song that you listened will be then played.

Press Next (6) or Back (5) to move to the previous or the next track.

The root folders and files of your external cards or sticks will be read in chronological order and the songs included in your folders will be read in alphabetical order.

Here you have a diagram of the reading order:


Press and hold the Change function button (2) for 2 seconds to move to the next memory card folder.


Your Music Box 5+ Yall edition also features a 3.5 mm mini jack input (10) to connect your external devices using the provided audio cable.

NOTE: It is not possible to control music playback from the speaker while using this mode. In order to control playback functions you will have to use the music player that you have connected.

Resetting the device

You can reset your Music Box 5+ Yall edition by pressing the reset button inside the 3.5 mm mini jack input (10) with a toothpick.

Note: Avoid using metallic objects when performing the reset.


Energy Sistem Technology, S.A. is liable for any lack of conformity that exists at the time the goods are purchased during a period of 36 months. Batteries are excluded from the 36 month warranty, having a warranty period of 24 months.

This warranty does not cover any product failure due to accidents, misuse or alteration made by an unauthorized person.

The special 36 month warranty is valid for the European Union. For other countries please refer to your specific legislation or your local distributor.

Warranty procedure

Please visit and select your product to view the FAQ (Frequently Asked Questions), user manual, quick guide, drivers and updates available as well as to submit a query to our Technical Support or manage the warranty.

You may also contact the distributor that sold the product by presenting the purchase receipt or invoice.

Important: This warranty does not cover any damage or loss of data stored in warranty products. Therefore, Energy Sistem?s Technical Support will not assume any loss of the above mentioned information. In this respect it is recommended that you make a backup of your data and remove any personal data from the product's internal memory before you send it or send it only with the original data.
Specifications are subject to change without notice.

Trademarks. All company, brand and product names are trademarks or registered trademarks of their respective companies.

© 2018 by Energy Sistem Technology, S.A. All rights reserved.

Declaration of conformity

Issuer?s name: Energy Sistem Technology, S.A. - CIF: A53107488
Address: C/ Calpe, 1 - 03509 Finestrat - Alicante (Spain)
Tel: + 34 966 830 324

We declare under our own exclusive responsibility that the product

Description: Portable wireless speaker
Brand: Energy Sistem
Model: Music Box 5+ Yall edition
Manufacturer: Energy Sistem Technology, S.A.
Manufacturing Country: China

referred to in this declaration is in compliance with the essential norms and standards

EN 50663:2017
EN 62479:2010
EN 62368-1:2020+A11:2020
EN 301 489-17 V3.2.2 (2019-12)
EN 301 489-1 V2.2.3 (2019-11)
EN 300 328 V2.2.2 (2019-07)
EN 303 345-1 V1.1.1 (2019-06)
EN 303 345-3 V1.1.0 (2019-11)

in conformity with the essential norms and standards of the Directive 2014/53/EU of the European Parliament and of the Council of 16th April 2014.

Finestrat, 1st December 2020

Miguel Ángel Aragüez García
Innovation and Technology Director