Power Dynamics WS50AB - Loudspeaker

WS50AB - Loudspeaker Power Dynamics - Free user manual and instructions

Find the device manual for free WS50AB Power Dynamics in PDF.

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Notice Power Dynamics WS50AB - page 3
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Product type Active speaker (loudspeaker)
Brand Power Dynamics
Models WS50AB
Power supply 110-230 V~ via mains adapter
Wireless connectivity Bluetooth, WiFi
Dedicated app 4STREAM (available on Apple Store and Google Play)
Control device Infrared remote control with playback, volume, group functions, etc.
Main functions Bluetooth playback, WiFi, remote control, speaker grouping
Maintenance and cleaning Use a dry cloth; avoid chemicals
Safety Do not open the casing; avoid moisture; use original parts
Operating temperature 5°C to 35°C (indoor)
Electrical compatibility 220-240 Vac / 50 Hz (via adapter)
LED indicator Red indicator light (standby) and others

Frequently Asked Questions - WS50AB Power Dynamics

How to connect a Bluetooth device to the WS50AB speaker?
Enable Bluetooth on your device, search for "Smart-audio" in the device list and connect. No password is required.
What to do if the speaker does not turn on?
Check that the mains adapter is correctly connected to the speaker and to a 110-230 V~ power outlet. Ensure the Power switch is in the ON position. If the problem persists, contact a technician.
How to use the 4STREAM app?
Download the 4STREAM app from the Apple Store or Google Play. Install it, then follow the instructions to connect the speaker to your WiFi network and enjoy advanced features.
How to reset the speaker to factory settings?
Press and hold the WiFi button on the remote control to restore factory settings. The speaker will restart.
Can I use the speaker outdoors?
The device is designed for indoor use only. Outdoor use is possible if you follow the installation guidelines for safe mounting and avoid direct moisture.
How to clean the speaker?
Use a dry, soft cloth. Never use chemicals or abrasives that could damage the finish.
What does the steady red light mean?
The steady red light indicates that the speaker is in standby or ready mode. After powering on, the red light turns on and then the speaker emits a sound to signal it is ready.
How to pair two WS50AB speakers together?
Use the remote control: a short press on the GROUP button to join a speaker group, or a long press to leave the group. You can also use the 4STREAM app to configure groups.
The speaker emits an abnormal sound, what to do?
Turn off the device and unplug it. Check the connections. If the problem persists, do not use it and contact a specialized technician. Never open the casing.
What is the product warranty?
The warranty is valid if the instructions in the manual are followed. Any unauthorized modification or repair voids the warranty. Keep the manual and proof of purchase.

User questions about WS50AB Power Dynamics

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The 4STREAM app does not connect via Bluetooth to the WS50AB, what should I do?
Frequently Asked Questions - 06/21/2026
Response Notice-Facile

If the 4STREAM app cannot connect via Bluetooth to the WS50AB, here are the steps to follow:

Preliminary checks

  • Make sure the Bluetooth on the speaker is turned on (use the Bluetooth mode button on the remote control).
  • Check that the speaker has started correctly: it should emit a confirmation sound about 10 seconds after turning on, and the red LED indicator should be visible.
  • Confirm that Bluetooth is enabled on your phone or tablet.

Pairing procedure

  • On your mobile device, go to Bluetooth settings and look for the network "Smart-audio" (this is the pairing name of the WS50AB).
  • Select "Smart-audio" to establish the connection. No password is required.
  • Once paired, launch the 4STREAM app (available on Apple Store and Google Play).

If the problem persists

  • Reset the speaker by pressing and holding the Factory reset button on the remote control, then repeat the Bluetooth pairing.
  • Uninstall and reinstall the 4STREAM app.
  • Restart your mobile device.
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Download the instructions for your Loudspeaker in PDF format for free! Find your manual WS50AB - Power Dynamics and take your electronic device back in hand. On this page are published all the documents necessary for the use of your device. WS50AB by Power Dynamics.

USER MANUAL WS50AB Power Dynamics

Power Dynamics Professional Audio

WS Series In-/Outdoor Wifi/BT Speaker Set

Ref. nr.: 952.538; 952.539; 952.541; 952.542

Power Dynamics WS50AB - WS Series In-/Outdoor Wifi/BT Speaker Set - 1

natural_image Two black outdoor speakers with visible grille and speaker grille, one with a logo (no text or symbols on the devices themselves)

INSTRUCTION MANUAL GEBRUIKSAANWIJZING BEDIENUNGSANLEITUNG MANUAL DE INSTRUCCIONES MANUEL D'INSTRUCTIONS INSTRUKCJA OBSŁUGI NÁVOD K POUŽITÍ

V3.0

Congratulations to the purchase of this Power Dynamics product. Please read this manual thoroughly prior to using the unit in order to benefit fully from all features.

Read the manual prior to using the unit. Follow the instructions in order not to invalidate the warranty. Take all precautions to avoid fire and/or electrical shock. Repairs must only be carried out by a qualified technician in order to avoid electrical shock. Keep the manual for future reference.

  • Prior to using the unit, please ask advice from a specialist. When the unit is switched on for the first time, some smell may occur. This is normal and will disappear after a while.
  • The unit contains voltage carrying parts. Therefore, do NOT open the housing.
  • Do not place metal objects or pour liquids into the unit This may cause electrical shock and malfunction.
  • Do not place the unit near heat sources such as radiators, etc. Do not place the unit on a vibrating surface. Do not cover the ventilation holes.
  • The unit is not suitable for continuous use.
  • Be careful with the mains lead and do not damage it. A faulty or damaged mains lead can cause electrical shock and malfunction.
  • When unplugging the unit from a mains outlet, always pull the plug, never the lead.
  • Do not plug or unplug the unit with wet hands.
  • If the plug and/or the mains lead are damaged, they need to be replaced by a qualified technician.
  • If the unit is damaged to such an extent that internal parts are visible, do NOT plug the unit into a mains outlet and DO NOT switch the unit on. Contact your dealer. Do NOT connect the unit to a rheostat or dimmer.
  • For use in humid rooms or outdoors: refer to the installation guidelines for safe assembly.
  • All repairs should be carried out by a qualified technician only.
  • Connect the unit to an earthed mains outlet (220-240Vac/50Hz) protected by a 10-16A fuse.
  • During a thunderstorm or if the unit will not be used for a longer period of time, unplug it from the mains. The rule is: Unplug it from the mains when not in use.
  • If the unit has not been used for a longer period of time, condensation may occur. Let the unit reach room temperature before you switch it on.
  • To prevent accidents in companies, you must follow the applicable guide lines and follow the instructions.

  • Do not repeatedly switch the fixture on and off. This shortens the life time.

  • Keep the unit out of the reach of children. Do not leave the unit unattended.
  • Do not use cleaning sprays to clean switches. The residues of these sprays cause deposits of dust and grease. In case of malfunction, always seek advice from a specialist.
  • Do not force the controls.
  • This unit is with speaker inside which can cause magnetic field. Keep this unit at least 60cm away from computer or TV.
  • If this product has a built-in lead-acid rechargeable battery. Please recharge the battery every 3 months if you are not going to use the product for a long period of time. Otherwise the battery may be permanently damaged.
  • If the battery is damaged please replace with same specifications battery. And dispose the damaged battery environment friendly.
  • If the unit has fallen, always have it checked by a qualified technician before you switch the unit on again.
  • Do not use chemicals to clean the unit. They damage the varnish. Only clean the unit with a dry cloth.
  • Keep away from electronic equipment that may cause interference.
  • Only use original spares for repairs, otherwise serious damage and/or dangerous radiation may occur.
  • Switch the unit off prior to unplugging it from the mains and/or other equipment. Unplug all leads and cables prior to moving the unit.
  • Make sure that the mains lead cannot be damaged when people walk on it. Check the mains lead before every use for damages and faults!
  • The mains voltage is 220-240VAC/50Hz. Check if power outlet match. If you travel, make sure that the mains voltage of the country is suitable for this unit.
  • Keep the original packing material so that you can transport the unit in safe conditions.

Power Dynamics WS50AB - WS Series In-/Outdoor Wifi/BT Speaker Set - 2

This mark attracts the attention of the user to high voltages that are present inside the housing and that are of sufficient magnitude to cause a shock hazard.

Power Dynamics WS50AB - WS Series In-/Outdoor Wifi/BT Speaker Set - 3

This mark attracts the attention of the user to important instructions that are contained in the manual and that he should read and adhere to.

The unit has been certified CE. It is prohibited to make any changes to the unit. They would invalidate the CE certificate and their guarantee!

NOTE: To make sure that the unit will function normally, it must be used in rooms with a temperature between 5^ C/41°F and 35^ C/95°F.

Power Dynamics WS50AB - WS Series In-/Outdoor Wifi/BT Speaker Set - 4

Electric products must not be put into household waste. Please bring them to a recycling centre. Ask your local authorities or your dealer about the way to proceed. The specifications are typical. The actual values can slightly change from one unit to the other. Specifications can be changed without prior notice.

Do not attempt to make any repairs yourself. This would invalid your warranty. Do not make any changes to the unit. This would also invalid your warranty. The warranty is not applicable in case of accidents or damages caused by inappropriate use or disrespect of the warnings contained in this manual. Power Dynamics cannot be held responsible for personal injuries caused by a disrespect of the safety recommendations and warnings. This is also applicable to all damages in whatever form.

Technical diagram of a speaker enclosure with labeled components and parts

  1. Power switch
  2. DC Power connector
  3. Speaker output connector for passive speaker
  4. Infrared receiver and LED indicator

Power ON / OFF

GROUP Short press for join the speaker group Long press for exit the speaker group

EQ No function

VOL+ Volume UP

VOL- Volume Down

Previous

Play / Pause

Next

CH + Switch UP for the predefined Channel

CH - Switch Down for the predefined Channel

BT Short press for switch to the BT play mode Long press for switch to the BT pair mode Short press for connect the speaker to the WIFI Long press for restore to the factory settings M Switch between BT and WIFI

GROUP EQ VOL+ VOL- CH + BT M

CONNECTION

Connect the DC adapter to the speakers and connect to the 110V\~230V AC power. Then you can turn on power switch. The status indicator LED will be red and fast blinks, after about 10 seconds the speaker will sound a tone, it means the speaker is ready.

CONNECTING WITH BT

Connecting your BT-device to the speaker, follow below steps:

  1. Turn on BT on your device
  2. Search for "Smart-audio"
  3. Connect with "Smart-audio"

Your device is now connected, no password needed.

DISCONNECTING OR RECONNECTING WITH BT

If you want to change from BT-device, follow below steps:

  1. Disconnect the current BT-device ("OFF")
  2. Connect new BT-device by following above steps

If you move out of range or turn off the BT-function on your device, the BT of the speaker will disconnect. To reconnect turn on the BT on the device.

For the best user experience, please download the latest version of the 4STREAM app via Apple store or Google play. Here you will also find the latest features and explanations on how to use them.

QR code image containing encoded data, no visible human-readable text

4STREAM Apple Store

QR code image containing encoded data, no visible human-readable text

4STREAM Google Play

VERBINDING

4STREAM Apple Store

QR code image containing encoded data, no visible human-readable text

4STREAM Google Play

Short Press for Join The Speaker Group

GROUP Long Press for Exit The Speaker Group

EQ Keine Funktion

VERBINDUNG

4STREAM Apple Store

QR code image containing encoded data, no visible human-readable text

4STREAM Google Play

(

Alimentación ON / OFF

GROUP

4STREAM Apple Store

QR code image containing encoded data, no visible human-readable text

4STREAM Google Play

4STREAM Apple Store

QR code image containing encoded data, no visible human-readable text

4STREAM Google Play

4STREAM Apple Store

QR code image containing encoded data, no visible human-readable text

4STREAM Google Play

4STREAM Apple Store

QR code image containing encoded data, no visible human-readable text

4STREAM Google Play

The specifications are typical. The actual values can slightly change from one unit to the other. Specifications can be changed without prior notice.

The products referred to in this manual conform to the European Community Directives to which they are subject:

European Union

Tronios B.V.,

7602KR Almelo, The Netherlands

2014/35/EU

2014/30/EU

2011/65/EC

2014/53/EU

Power Dynamics WS50AB - European Union - 1

United Kingdom

Tronios Ltd.,

130 Harley Street,

London W1G 7JU, United Kingdom

S.I. 2016:1101

S.I. 2016:1091

S.I. 2012:3032

S.I. 2017:1206

Power Dynamics WS50AB - United Kingdom - 1

Specifications and design are subject to change without prior notice.

www.tronios.com

Copyright © 2025 by Tronios The Netherlands

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Product information

Brand : Power Dynamics

Model : WS50AB

Category : Loudspeaker