WS902DUO - Speaker THOMSON - Free user manual and instructions
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USER MANUAL WS902DUO THOMSON
BELGIQUE, customerservice@bigben-interactive.be
NEDERLAND, customerservice@bigben-interactive.nl
ESPANA, soporte@metronic.com
Tel.: 937132625
Safety warning and notice 12
Contents of the box 14
Description of parts 14
Discover your remote control 15
Troubleshooting
Warning about batteries 17
Technical specifications of the device 18
Care for the environment 19
Additional information 19
Declaration of conformity 19
Warranty 20
Getting started
Take the appliance out of the box.
- Remove all the packaging from the product.
- Place the packaging inside the box or dispose of it safely in compliance with the waste sorting instructions shown on the product packaging.
Safety warning and notice
You must read and understand all the instructions before using this appliance. The warranty will not apply if damage is caused by failure to follow the instructions.

- Never remove the appliance casing.
- Never place this appliance on top of other electrical equipment.
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Protect the power cord from being stepped on or pinched, particularly at the plugs, sockets, and the point where it exits the appliance. Make sure that the power voltage corresponds to the voltage shown on the rating plate at the rear of the appliance. Always pull the plug from the socket when disconnecting from the mains. Never pull on the cord. Ensure you have completed all the other connections before connecting the mains plug.
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Only use attachments/accessories that are recommended by the manufacturer.
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Entrust all appliance repairs to qualified repairers. Repair is needed when the appliance has been damaged in any fashion, and in particular:
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if the power cord is damaged;
- in the event of a liquid spill or objects being inserted into the appliance;
- if the appliance is exposed to rain or dampness;
- if the appliance does not operate normally;
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or if the appliance has been dropped or impacted.
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The series panel is located on the bottom of the appliance.
- Never block the air vents.
- Make sure you have enough space for ventilation. Place the product on a stable surface.
- This device must be used in a moderate climate, away from direct sunlight, naked flames or heat, heating devices, cookers or any other devices (including amplifiers) that generate heat. Do not install near a heat source.
- The batteries (battery pack or inserted batteries) must not be exposed to excessive heat, such as sunshine, fire, etc.
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Always unplug the device before cleaning it. Never lubricate any part of this appliance. Clean it with a soft cloth. Do not use abrasive products or harsh cleaners.
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Ensure that you always have easy access to the power cord, plug or adapter to disconnect this appliance from the mains if necessary.
- Do not use this appliance near water. It must not be dripped on or splashed. Do not use this appliance in a damp or wet environment.
- Disconnect this appliance in the event of a storm or if you are not going to use it for a long period of time.
- This appliance can be used by children aged 8 and over, and by persons with a physical or sensory disability, learning difficulties or a lack of experience and knowledge, provided they are supervised or have received instructions on the safe use of the appliance, and they understand the risks involved. Children must not play with the appliance or power cord (risk of strangulation). Children must not clean or maintain the appliance without supervision.
- This device must only be supplied with very low safety voltage corresponding to the marking on the device.
- The battery should be removed from the device before disposal. The device must be disconnected from the power supply when removing the battery.
- The product must be at a minimum distance of 20cm from the human body in operation.
- This device is for household use only; do not use outdoors.


The lightning bolt symbol within an equilateral triangle alerts users to the presence of dangerous uninsulated voltages inside the device, that may present a risk of electric shock.
The exclamation mark inside a triangle indicates the presence of important operating and maintenance (repair) instructions in the literature accompanying the appliance.
| Class II material | |
| Direct current | |
| Alternating current | ~ |
| For indoor use only |
Contents of the box
- Main appliance
Remote control - User manual
- 3.5 mm to 2 × RCA cable
- Optical cable
Power cable - RCA to RCA cable

Description of parts

- Treble control
- Bass control
- Master volume
- LED indicator
- On/Off switch
- Previous track / Next track
- Play/Pause
- Mode (Source)
- Power port
- Connect a subwoofer
- USB input port
- TV Audio input port
- Auxiliary input port (RCA)
- Auxiliary output
- Optical input port
Discover your remote control

| Power button | MUTE | Write/Interrupted | |
| VOL+ | Waste collection | VOL- | Reduce the volume |
| < | Previous track | > | Next track |
| Play/Pause | OPT | Optical mode | |
| TVUSB | TV mode | USB mode | |
| BT | Bluetooth Mode | ||
| AUX | Airplane mode | MOVIE | Movie mode |
| MUSIC | Music mode | VOICE | Voice mode |
Auxiliary input
- Press the "Mode" button to select an auxiliary input. The indicator light turns blue.
- Use the appropriate RCA cable to connect an audio source to the speaker.
- Play music from your connected device and adjust the volume on your device or by turning the "Volume" button.
TV Audio input
- Connect the TV AUDIO on the speaker to the TV out port of the TV with a High speed cable.
- Select the "GREEN" LED indicator by pressing the "TV" button on the remote or press the "Mode" button.
- Set the TVs audio output to "PCM". (More information on PCM page).
USB input
- Insert a USB drive into the USB A port on the rear.
- Select the "PURPLE" LED indicator by pressing the "USB" button on the remote. Or press the "Mode" button.
- The maximum size of USB media for MP3 playback should not exceed 32GB.
Optical input
- Press the "Mode" button to select the optical input. The indicator turns light white.
- Use the appropriate optical cable to connect an audio source to the speakers.
- Play music from your connected device and adjust the volume on your device or by turning the "Volume" button.
Bluetooth operation
- Select the "BLUE" LED indicator by pressing the "BT" button on the remote, or press the "Mode" button.
- Go to setup section on your source device (mobile phones, tablets, etc) and search for nearby Bluetooth device to find "WS852" in the list.
- Pair your device with "WS852".
- Play the audio tracks on your device and adjust the volume according to preference.
- Press and hold the "Mode" button to disconnect the Bluetooth.
Note: The maximum connection range is approximately 10 metres. Place your Bluetooth speaker as close as possible to the device to avoid any interference with the connection.
Setting the electronic control module (PCM) on your TV
If there is no sound from TV or Speaker when all cables are connected properly and the LED indicator light is correct (Optical or digital connection), adjust your TV settings as below:
- Press the "Menu" button on the TV remote control.
- Select "Audio Settings".
- Select "Advanced Audio" - some TVs may not have an "Advanced Audio" menu and instead display a list of audio settings.
- Select "Audio Output Mode" or "Digital Audio Output Mode".
- Select "PCM" as the audio output mode.
- Press "OK" to save the settings
Digital audio output settings may differ by brand, so please check your TV's instruction manual.
Auxiliary output
You can add external speaker to WS852 by plugging in a 3.5mm jack cable to the auxiliary output on back panel. This will output the sound to another speaker.
Subwoofer output
You can add external active subwoofer to WS852 by using the subwoofer output. It will reinforce low frequency.
Troubleshooting
| Problem Solution | |
| No sound Check that the | power indicator is ON. |
| Try increasing the volume with the central control knob or the remote control. | |
| Make sure the audio cables are securely connected and the input is properly set to the speakers. | |
| Check if there is an output signal from the audio source. | |
| Unable to connect via Bluetooth | Make sure the speaker is set to Bluetooth mode. Bluetooth may not be paired correctly, so repeat the procedure. |
| Disconnect any Bluetooth device by pressing and holding the “Mode” button. | |
| The WS852 bookshelf speaker does not turn on. | The effective Bluetooth transmission range is 10 metres; remember not to exceed this range. |
| Try connecting another Bluetooth device. | |
| Check that the unit is properly connected to the mains and the mains socket is switched on. |
Warning about batteries
This product contains one or more batteries.
- Use batteries correctly to prevent any injury or fire caused by a leak, overheating, explosion, erosion or other damage.
- Keep new and used batteries out of the reach of children or any vulnerable person. Stop using the device if the battery compartment does not close properly.
- If the liquid from an alkaline battery comes into contact with the skin and/or eyes, rinse immediately with fresh water and consult a physician.
If an alkaline battery leaks, wipe up the liquid with a cloth and replace the battery with a new one.
- Do not swallow batteries. If swallowed, a battery can cause severe internal burns in 2 hours and can cause death. If batteries are swallowed, contact a poison centre immediately and consult a physician.
- Use AA Ni-MH, alkaline or lithium batteries.
- Do not charge these batteries. Charging non-rechargeable batteries causes gas and/or heat emissions that can cause explosions and/or fires.
- Do not use different types of batteries or a mixture of new and old batteries.
- Insert the batteries according to the correct polarity (+ and -).
- Do not put the same battery poles in contact with each other.
- Remove dead batteries quickly. There is a risk of the battery exploding if it is not replaced correctly or if the appliance is unused for a period of time.
- Replace the battery with an identical or equivalent model.
- The batteries (or battery pack) must not be exposed to excessive heat, such as sunlight, fire, etc.
- Do not heat batteries or dispose of them in fire or water.
- Do not use metal pliers or metal objects such as the point of a pen or tweezers to remove batteries. Avoid deforming, crushing or piercing batteries.
- Do not disassemble the batteries.
- Cover the ends of the batteries with tape to prevent explosions and combustion when these are scrapped.
- Scrap batteries in an environmentally friendly way
- Do not dispose of batteries in ordinary household waste.
- Be sure to comply with the local regulations in force when scrapping batteries.

Technical specifications of the device
| Type Specifications | Type Specifications | ||
| Broadband loudspeaker | 4" (30 W) x 2 Tweeter | 1.25" (5 W) x 2 | |
| Peak power 60 W Wireless frequency 2,402 - | 2,480 MHz | ||
| RMS power 60 W Bluetooth version 5.3 | |||
| S/B ratio ≥80 dB ERIF | -2.6dBm | ||
| Power consumption 0 | 09W Distortion | < 1% | |
| Power supply | AC100-240V, 50/60Hz | Speaker frequency | 45 Hz - 20K Hz |
| Speaker impedance | 4Ω/woofer, 4Ω/tweeter | Input | Bluetooth, LINE(RCA), TV Audio, Optic, USB |
| Output | AUX out, Sub out TransmissiOn range 10 m | ||
| Bluetooth pairing name | WS852 | Dimensions 455 x 150 | x 170 mm |

Your product has been designed and manufactured using high-quality materials and components that can be recycled and reused.
Attention should be drawn to the environmental aspects of battery disposal.

When the crossed-out wheelie bin symbol appears on a product, it means that the product is covered by European Directive 2002/96/EC. Please find out about the local sorted collection system for electrical and electronic products. Please act according to local rules and do not dispose of your old products in your household waste. By ensuring this product is disposed of correctly, you are also helping to prevent potentially negative consequences for the environment and human health.
Additional information
- When the appliance does not transmit audio output for a certain amount of time, it will automatically go into standby mode to save energy. It can be switched back ON by using the POWER selector
- If an incoming call is received while the WS852 system is connected to your mobile phone during music playback, the music will immediately pause when you answer the call and resume after the call ends. Depending on the mobile phone, playback may sometimes stay paused after the end of the call.
- The word Bluetooth® the brand and logo are registered trademarks owned by Bluetooth SIG, Inc., and any use of such marks by Bigben Interactive is under licence. All other brands and trade names are the property of their respective owners.
- THOMSON is a trademark of Talisman Brands, Inc. used under licence by Bigben Interactive.
- This product is manufactured and sold under the responsibility of Bigben Interactive.
- THOMSON and the THOMSON logo are trademarks operated under licence by Bigben Interactive – for more information: www.thomson-brand.com.
- All other products, services, corporate names, trademarks, trade names, product names and logos referenced herein are the property of their respective owners.
Declaration of conformity
- Bigben Interactive hereby declares that the WS852 type radio equipment complies with Directive 2014/53/EU. The full text of the EU declaration of conformity is available at the following internet address: https://www/bigben-interactive.co.uk/support/
Warranty
This product is guaranteed by Bigben for a period of 2 years from the date of purchase, except in countries of the European Economic Area, which offer a longer warranty period. We recommend that you keep your receipt for any claims. The warranty covers breakdowns due to defective material, a missing element or manufacturing defect. In this case, contact our technical support. For any problem with a defective product, contact your point of purchase with your receipt. The warranty does not cover problems of improper use.
SUPPORT
For any technical problem, please contact support@bigben.fr. Our Support Team is also available by chat via www/bigben-interactive.co.uk/support/ from Monday to Friday 9.00am till 6.00pm (GMT+1).
Made in China
Manufactured by BIGBEN INTERACTIVE SA
396-466, Rue de la Voyette CRT2
59273 FRETIN - France
www/bigben.eu







Fabricant: Bigben Interactive FRANCE
396, Rue de la Voyette, C.R.T. 2, Fretin,
CS90414-59814 Lesquin Cedex, France
BELGIQUE, customerservice@bigben-interactive.be
NEDERLAND, customerservice@bigben-interactive.nl
ESPANA, soborte@metronic.com
Tel.: 937132625
BELGIQUE, customerservice@bigben-interactive.be
NEDERLAND, customerservice@bigben-interactive.nl
ESPANA, soborte@metronic.com
Tel.: 937132625
BELGIQUE, customerservice@bigben-interactive.be
NEDERLAND, customerservice@bigben-interactive.nl
ESPANA, soborte@metronic.com
Tel.: 937132625
BELGIQUE, customerservice@bigben-interactive.be
NEDERLAND, customerservice@bigben-interactive.nl
ESPANA, soporte@metronic.com
Tel.: 937132625
BELGIQUE, customerservice@bigben-interactive.be
NEDERLAND, customerservice@bigben-interactive.nl
ESPANA, soporte@metronic.com
Tel.: 937132625
ITALIA,technico@metronic.com
Tel.: 02 94 94 36 91
www/bigben.eu
WS852
BELGIQUE, customerservice@bigben-interactive.be
NEDERLAND, customerservice@bigben-interactive.nl
ESPANA, soporte@metronic.com
Tel.: 937132625
BELGIQUE, customerservice@bigben-interactive.be
NEDERLAND, customerservice@bigben-interactive.nl
ESPANA, soborte@metronic.com
Tel.: 937132625
BELGIQUE, customerservice@bigben-interactive.be
NEDERLAND, customerservice@bigben-interactive.nl
ESPANA, soborte@metronic.com
Tel.: 937132625