Introduction
This document is the user manual for the Energy Sistem Urban Box 2 Onyx Bluetooth speaker. It provides essential information for setup, operation, and maintenance.
Image Description: Four speakers of the Energy Sistem Urban Box 2 model are shown in different colors: black, blue, teal, and red. They are cylindrical in shape with a mesh grille.
Thank you for trusting our company and buying the new Urban Box 2. We hope you enjoy the product. Before you start using your Urban Box 2, we strongly recommend reading this manual.
This document was originally produced and published by the manufacturer, Energy Sistem, and is taken from their official website. Tehnoteka highlights that it does not assume responsibility for the accuracy, completeness, or reliability of the information, data, opinions, advice, or statements contained herein. Tehnoteka does not have the authority to make any changes or additions to this document, and therefore is not responsible for any errors, omissions, or inaccuracies that may be found within it. Tehnoteka is not liable for any damage caused to users from the use of inaccurate data. For any additional questions about the product, please contact the manufacturer directly for detailed information.
For the latest information on pricing, available promotions, and technical characteristics of the product mentioned in this document, please visit our page by clicking the following link: Tehnoteka Product Page
Care and Maintenance
- Do not expose the device to humidity or high temperatures.
- Do not use corrosive or abrasive cleaning products.
- Do not disassemble the device. All repair works should be carried out exclusively by qualified staff of Energy Sistem Technology, S.A.
- Turn off the device when you are not using it. Do not let it completely discharged for a long time.
Technical Specifications
Audio
- System: 2.0
- Power: 10 W
- Speakers: 2 full range speakers of 40 mm
- Passive radiator: two membranes
- Frequency response: 100 Hz ~ 18 kHz
- S/N ratio: > 60 dB
Bluetooth Connectivity
- Bluetooth 5.0, class II. Up to 20 m distance range
- Supported Bluetooth protocols: HSP / HFP / A2DP / AVRCP
- Frequency band: 2.4 GHz (2.402 ~ 2.480 GHz)
- Maximum output power: < 20 dBm
- Hands-free function. Microphone sensitivity: -42 dB
- TWS (True Wireless Stereo) technology compatible with Urban Box 2
Analogue Input
- 3.5 mm mini jack audio input
USB/MicroSD Playback
- USB/MicroSD decoder: reads MP3/WAV files from external units (up to 64 GB capacity) with FAT/FAT32 file system.
FM Radio
- FM frequency band: 87.5 ~ 108 MHz
- Auto search function
Rechargeable Battery
- Capacity: 1200 mAh
- Type: lithium polymer
- Battery life: 12 hours*
- Charging port: microUSB
- Charging time: 3 hours
*This value is approximate. The battery life depends on the selected volume level and type of music.
Product Content
- Urban Box 2
- Charging cable
General Overview
The device features the following controls and ports:
- 1. On/Off / Play/Pause / Call control button
- 2. Volume + / Next track button
- 3. Volume - / Back button
- 4. Change function / TWS button
- 5. Hands-free microphone
- 6. Function and charge indicator light
- 7. MicroSD slot
- 8. Charging port (microUSB)
- 9. Auxiliary audio input (3.5 mm jack)
- 10. USB port
Diagram Description: A visual representation of the speaker's top and back panels. The top panel shows buttons labeled 1 through 6. The back panel shows ports and slots labeled 7 through 10.
Main Functions
Switching on and off the device
Press and hold the On/Off button (1) for 2 seconds to switch the device on or off. You will hear a confirmation sound when switching on. The Function indicator (6) will flash blue while the device is on. Press and hold the On/Off button (1) again to switch off your device. The Function indicator (6) will then switch off.
Important: Press the hidden reset button located inside the Auxiliary audio input (9) to force the device to shut down.
Playback Control
You can manage playback directly from the speaker. Press Volume +/Next (2) or Volume -/Back (3) repeatedly to adjust the volume. Press and hold these buttons to switch to the next/previous track. A warning sound will indicate when the maximum or minimum volume levels are reached.
Press the Play/Pause button (1) to pause or resume playback.
Important: When using the Auxiliary audio input (9), playback control can only be managed from the connected music player.
Important: Refer to the TWS section for information on playback control when TWS mode is enabled.
Bluetooth Connection
Press the Change function button (4) until Bluetooth mode is selected while your Urban Box 2 is on. You can then pair the speaker with your smartphone or tablet.
Once "Urban Box 2" appears on your smartphone or tablet screen, press "connect". The devices will be connected immediately and without codes. You will hear a sound confirming successful pairing.
You can then start playback on your smartphone or tablet. The Bluetooth wireless connection range is up to 10 meters.
Your Urban Box 2 automatically connects to the last paired device when switched on again, provided Bluetooth is enabled on your smartphone or tablet.
Important: Your Urban Box 2 will automatically turn off after 5 minutes if Bluetooth mode is enabled but not paired with any device.
Call Control (Hands-free function)
You can manage your calls from the speaker. Pair the Urban Box 2 with your smartphone first.
When you receive a call, the music stops, and the ringing tone sounds. Press the Call control button (1) to answer an incoming call. Press it again to hang up.
Important: If you receive a call while TWS mode is enabled, you will only hear the caller's voice through the speaker connected to your smartphone (left channel).*
Voice Assistant
The Urban Box 2 allows you to activate your smartphone's voice assistant. Press the Change function/TWS button (4) twice. This will directly activate your smartphone's assistant via Bluetooth.
This function allows you to ask questions and use voice commands to perform tasks naturally and easily.
You can also consult the Google Assistant and Siri user guides available on their manufacturers' websites.
TWS (True Wireless Stereo)
This feature allows you to wirelessly pair another Urban Box 2 to double the power and create a stereo sound system with two distinct channels: left (L) and right (R).
To use this function for the first time: turn on both Urban Box 2 speakers and press and hold the Change Function/TWS button (4) on both for 2 seconds. After a few seconds, you will hear a sound confirming successful synchronization. Then, enable Bluetooth on your source device and connect your "Urban Box 2".
Music will now play via Bluetooth through both speakers simultaneously, with one assigned to the left channel (L) and the other to the right channel (R).
The next time you turn on both speakers, they will pair automatically.
To disable TWS, press and hold the Change function/TWS button (4) on either speaker. Both speakers will disconnect. Press the same button again to reconnect them.
You can switch to the next/previous track and adjust the volume using the corresponding buttons on either speaker while TWS mode is enabled. Adjusting the volume on one speaker will adjust it on both simultaneously.
Important: This functionality is only available in Bluetooth mode. TWS connection is not possible in other playback modes (USB, microSD, FM radio, or line-in).
Auxiliary Audio Input
Your Urban Box 2 features an Auxiliary audio input (9) for connecting external devices using an audio cable.
Important: Music playback cannot be managed from the speaker when using this mode. You must use the connected music player.
FM Radio
Before using the FM radio function, a search for all available stations must be performed. The radio stations will be saved to the speaker's internal memory. A new search is not necessary each time you switch it on, unless you move the device to a new location or change the frequency of a saved station.
To initiate a search for all radio stations: press the Change function button (4) until FM radio mode appears on screen. Then, press and hold the Change function button (4) for 2 seconds. This process may take a few minutes. Once the search is complete, press and hold Volume +/Next (2) or Volume -/Back (3) to select the desired radio station from the saved list.
If you move the speaker to a different location, you will need to perform a new search to obtain proper radio wave reception.
Your Urban Box 2 will save the last selected radio station when turned off and on again.
Important: The battery charging process may interfere with radio signals depending on the AC/DC power adapter used.
MicroSD/USB Player
The device plays .mp3 and .wav files from microSD cards (up to 64 GB). Playback begins automatically a few seconds after inserting the microSD card or USB stick.
If you turn off the speaker or remove the storage unit, the internal memory will save the playback position. When you reconnect the same storage unit, music playback will resume from where you left off, playing the last song listened to.
Press and hold Volume +/Next (2) or Volume -/Back (3) to move to the next or previous song.
Press and hold the Change function button (4) to enable shuffle mode. You will hear a sound confirming this mode has been activated. Shuffle mode will be automatically disabled when the speaker is switched off.
The root folders and files on your external cards or sticks will be read in chronological order, and the songs within your folders will be read in alphabetical order.
Diagram Description: A diagram illustrates the reading order for files and folders. Folders are organized chronologically, and MP3 files within folders are organized alphabetically.
Battery Life
The battery life of your Urban Box 2 depends on the selected volume level and the type of music. Please refer to the following table for approximate battery life:
MODE | MEDIUM VOLUME LEVEL | MAXIMUM VOLUME LEVEL |
---|---|---|
BLUETOOTH | 12 hours | 6 hours |
USB / SD | 14 hours | 7 hours |
FM RADIO | 4 hours | 2 hours |
AUXILIARY | 16 hours | 8 hours |
Charging the Battery
When the battery level drops below 10%, you will hear a sound reminder to charge it. Plug the mini USB end of the provided USB cable into the Charging port (8) and the other USB end into a 5 V USB charging port (e.g., PC, USB wall charger, car charger). The Charge indicator (6) will light up red and switch off once charging is complete. The charging time is approximately 3 hours.
Important:
- Use a 5 V 2 A AC/DC power adapter.
- Do not leave your Urban Box 2 completely discharged for a long time.
Reset
Press the hidden reset button located inside the Auxiliary audio input (9) to force the device to shut down.
Note: Avoid using metallic objects when performing the reset.
Warranty
You can check the warranty terms here: Energy Sistem Warranty Terms
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: Urban Box 2
- Manufacturer: Energy Sistem Technology, S.A.
- Manufacturing country: China
referred to in this declaration is in compliance with the essential norms and standards:
- EN 62368-1:2014+A11:2017
- EN 62479:2010
- ETSI EN 301 489-1 V2.2.3 (2019-11)
- ETSI EN 301 489-17 V3.2.3 (2020-07)
- ETSI EN 301 489-52 V1.1.0 (2016-11)
- ETSI EN 300 328 V2.2.2 (2019-07)
- ETSI EN 303 345 V1.1.7 (2017-03)
in conformity with the provisions of the Directive 2014/53/EU of the European Parliament and of the Council of 16th April 2014.
Finestrat, 1st November 2020
Javier Álvarez
Innovation and Technology Director
CE