Energy Sistem Speaker FS1 User Manual
Thank you for trusting Energy Sistem and purchasing the new Speaker FS1. We hope you enjoy the product.
Before you start using your Speaker FS1, we strongly recommend reading this manual to get acquainted with its features.
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 leave 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
Wireless Connection
- 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 technology (True Wireless Stereo)
TWS Technology Compatible With
- Urban box 2
- Speaker FS1
Audio Input
- 3.5 mm mini jack stereo audio-in (AUX)
MicroSD and USB Playback
- USB and microSD decoder: reads MP3 files stored on external units (up to 64 GB) with FAT/ FAT32 file system.
Battery
- Capacity: 1200 mAh
- Type: Li-Po
- Battery life: 12 hours*
- Charging port: microUSB
- Charging time: 3 hours
*The battery life depends on the selected volume level and the type of music you play.
Product Content
- Speaker FS1
- USB cable
- Quick guide
- Strap
General Overview of Controls and Ports
The speaker features the following controls and ports:
- 1. On/Off/Play/Pause/Call control: Used for powering the device on/off, playing/pausing music, and managing calls.
- 2. Volume + / Next: Increases volume or skips to the next track.
- 3. Volume - / Back: Decreases volume or skips to the previous track.
- 4. Change function / TWS: Cycles through input modes (Bluetooth, AUX, MicroSD/USB) or activates TWS pairing.
- 5. Hands-free microphone: Integrated microphone for calls.
- 6. Function and charge indicator: LED indicator showing device status and charging progress.
- 7. MicroSD slot: Slot for inserting microSD cards.
- 8. Charging port: microUSB port for charging the battery.
- 9. Auxiliary audio input: 3.5mm AUX input for connecting external audio sources.
- 10. USB port: USB port for playback from USB drives.
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. You will hear a confirmation sound, and the Function indicator (6) will 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 or previous track. A warning sound indicates 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 is managed by the connected music player.
Important: For playback control details when TWS mode is enabled, refer to the TWS section.
Charging the battery
When the battery level is 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) lights up red and switches off once charging is complete. Charging time is approximately 3 hours.
Important: Use a 5 V 2 A AC/DC power adapter. Do not leave your Speaker FS1 completely discharged for a long time.
Bluetooth Connection
Press the Change function button (4) until Bluetooth mode is selected while your Speaker FS1 is on. You can then pair the speaker with your smartphone or tablet.
On your smartphone or tablet, find "Speaker FS1" and press "connect". The devices will connect immediately without requiring codes. A confirmation sound indicates successful pairing.
You can now start playback from your smartphone or tablet. The Bluetooth wireless connection range is up to 10 meters.
Your Speaker FS1 automatically connects to the last paired device when switched on, provided Bluetooth is enabled on your smartphone or tablet.
Important: Your Speaker FS1 will turn off automatically after 5 minutes if Bluetooth mode is enabled but not paired with any device.
Call Control (Hands-free function)
You can manage calls directly from the speaker. Pair the Speaker FS1 with your smartphone first.
When receiving a call, the current music playback stops, and a ringing tone is heard. Press the Call control button (1) to answer an incoming call. Press it again to hang up.
Important: If you receive an incoming call while TWS mode is enabled, the caller's voice will only be heard through the speaker connected to your smartphone (left channel).
TWS (True Wireless Stereo)
This feature allows you to wirelessly pair another Speaker FS1 to double the power and create a stereo sound system with distinct left and right channels.
To use TWS for the first time: Turn on both Speaker FS1 units. Press and hold the Change Function/TWS button (4) on both speakers for 2 seconds. After a few seconds, a sound will confirm successful synchronization. Then, enable Bluetooth on your source device and connect your Speaker FS1.
Music will now play via Bluetooth through both speakers simultaneously, with one speaker assigned the left channel (L) and the other 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 adjusts it on both simultaneously.
Important: This functionality is only available when Bluetooth mode is enabled. TWS connection is not possible in other playback modes (USB, microSD, or line-in).
Auxiliary Audio Input
Your Speaker FS1 features an Auxiliary audio input (9) to connect external devices using an audio cable.
Important: When using this mode, music playback cannot be managed from the speaker; you must use the music player instead.
MicroSD/USB Player
The device plays .mp3 and .wav files from microSD cards (up to 64 GB) and USB drives.
Playback starts automatically a few seconds after inserting the microSD card or USB stick.
If you turn off the speaker or remove the storage unit, the device saves the playback position. When you reconnect the same storage unit, music playback resumes from the last played song.
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. A confirmation sound will be heard. Shuffle mode is automatically disabled when the speaker is switched off.
The device reads root folders and files from external cards or sticks in chronological order, and songs within folders in alphabetical order.
The file reading order is as follows: Folders are read chronologically, and MP3 files within folders are read alphabetically.
Battery Life
The battery life of your Speaker FS1 varies depending on the selected volume level and the type of music played. The following table provides an estimate of the 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 |
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: https://www.energysistem.com/terms-warranty
Declaration of Conformity
Issuer: Energy Sistem Technology, S.A.
CIF: A53107488
Address: C/ Calpe, 1 - 03509 Finestrat, Alicante (Spain)
Tel: +34 966 830 324
Energy Sistem Technology, S.A. declares under its sole and exclusive responsibility that the product:
- Description: Portable wireless speaker
- Brand: Energy Sistem
- Model: Speaker FS1
- Manufacturer: Energy Sistem Technology, S.A.
- Manufacturing country: China
referred to in this declaration complies 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
Miguel Ángel Aragüez García
Innovation and Technology Director
CE Mark