Dell SL525 · Price in Qatar

Name: Dell Pro Plus Wireless Speakerphone SL525 with Wireless Audio Receiver
Brand: Dell
SKU: dell-sl525
Availability: InStock

Overview

The Dell SL525 is a desktop wireless speakerphone with four omnidirectional microphones, AI-based noise cancelling and a 60 mm speaker. It connects by Bluetooth 5.3, through a wireless audio receiver or USB-C, and is certified for Microsoft Teams and Zoom. Suited to huddle rooms, small meeting rooms and home offices across Qatar, it is supplied by SmartRooms Qatar on quotation.

What the Dell SL525 does on a call

The Dell SL525 is a desktop speakerphone for calls where several people sit around one table and need to be heard clearly at the far end. Four omnidirectional microphones pick up voices from different seats, and AI-based noise cancelling works to reduce background sound such as keyboard clicks or traffic noise entering the room. A 60 mm dynamic speaker, rated from 100 Hz to 14 kHz in talk mode, carries remote voices back into the room.

Full duplex audio lets both sides speak at the same time, supported by echo cancellation and digital signal processing. The listed microphone pickup range is 2.5 metres, which determines how many people can sit close enough to be picked up well.

Connections, software and compatibility

The SL525 offers three ways to connect. Bluetooth 5.3 links it to a laptop or phone with a listed range of 30 m, and it can store up to eight paired devices while keeping two connections active at once. The wireless audio receiver is the option Dell describes as more reliable, which suits fixed desks. A USB-C host connection provides a wired link, and a USB-A adapter is included.

Windows 10 and Windows 11 (64-bit), macOS, ChromeOS, Linux and Ubuntu 24.04
Certified for Microsoft Teams and Zoom, with controls for answer, end call, mute and volume
Dell Audio app, Dell Display and Peripheral Manager and Dell Device Management Console

Battery, portability and protection

The rechargeable lithium polymer battery is rated for up to 12 hours of talk time, or 9 hours in music mode, and reaches full charge in a listed maximum of 2.5 hours. Charging power ranges from 2.5 W to 15 W. A charger is not included in the box, so each desk needs a confirmed USB-C power source. The unit weighs 355 g, measures 125 mm across and 39 mm deep, and carries an IP64 rating, meaning it is dust-tight and protected against water.

Where it fits in Qatar

Huddle rooms in West Bay or Lusail: a small team meeting around a laptop for a Teams call with a colleague abroad, where a full video system would be more than the room needs.
Home offices in The Pearl or Al Sadd: a manager who moves between Bluetooth on a phone and a wired laptop connection, with the travel pouch for days spent at other sites.
Training rooms at Education City: a training team running online sessions with partners abroad, with one unit per desk for small group discussions.

What to plan before ordering

Confirm that your calls run on Microsoft Teams or Zoom and that laptops use one of the listed operating systems. Decide per user whether the connection will be Bluetooth, the wireless receiver or USB-C, and provide a charging point at each desk. The data does not give an operating temperature range, so for desks near windows or in areas without air conditioning, ask the SmartRooms Qatar team to confirm suitability before rollout. For an office or school ordering several units, a single purchase order can cover the set, and a free site survey helps confirm desk layout and coverage.

The unit is covered by a 3-year limited hardware warranty from Dell. Request a quote from SmartRooms Qatar for the Dell SL525, with quotations usually provided within one working day.

Highlights

Four omnidirectional microphones with AI-based noise cancelling
Bluetooth 5.3, wireless audio receiver and USB-C connectivity
Up to 12 hours talk time on a full charge
IP64 rating for dust-tight and water-protected use
Certified for Microsoft Teams and Zoom
3-year limited hardware warranty from Dell

Room fit

Tell us the room size and platform (Teams, Zoom or BYOD) and we confirm the right combination with your quotation.

Estimated timeline

Quotation within 1 working day · delivery timing depends on stock availability, and we confirm it with your quotation.

Specifications

52 specifications · Source: manufacturer · checked Oct 2026

General Information7

Manufacturer: Dell Technologies
Manufacturer Part Number: RTX72
Brand Name: Dell
Product Model: SL525
Product Name: Pro Plus Wireless Speakerphone - SL525
Product Type: Speakerphone
Marketing Information: Our wireless speakerphone combines portability, versatile connectivity, and AI-based dual-directional noise-canceling microphones to deliver clear, distraction-free audio in any setting - whether at home, in a shared workspace, or on the go.

Technical Information12

Connectivity Technology: Wired/Wireless
Wireless Technology: Bluetooth
Bluetooth Standard: Bluetooth 5.3
Bluetooth Range: 30 m
Cable Length: 750 mm
Plug & Play Support: Yes
Artificial Intelligence Noise Cancelling (AINC): Yes
AI-powered: Yes
Ingress Protection (IP) Rating: IP64
Maximum Number of Paired Devices Supported: 8
Maximum Number of Simultaneous Connections: 2
Features: Digital Signal Processing Echo Cancellation Full Duplex Audio Water Resistant

Microphone5

Number of Microphones: 4
Polar Pattern: Omni-directional
Microphone Technology: Digital Micro-electromechanical Systems (MEMS)
Microphone Frequency Response: 100Hz - 14kHz
Microphone Pickup Range: 2499.36 mm

Speaker6

Peak Audio Output: 86 dB
RMS Output Power: 8 W
Speaker Size/Type: 60 mm/Dynamic
Sound Pressure Level: 86 dB
Speaker Output Mode: Mono
Speaker Frequency Response: 100Hz - 14kHz (Talk Mode) 90Hz - 20kHz (Music Mode)

Interfaces/Ports1

Host Interface: USB-C

Controls/Indicators2

Status Indicators: Battery Level Bluetooth Mute On Call Powered On Teams Active/Notifications Volume Down Volume Up
Controls: Answer Call End Call Microphone Mute/Unmute Microsoft Teams Volume Down Volume Up

Battery Information5

Battery Rechargeable: Yes
Battery Chemistry: Lithium Polymer (Li-Polymer)
Battery Capacity: 3200
Maximum Battery Recharge Time: 2.50 Hour
Battery Talk Time Details: 12 Hour (talk mode) 9 Hour (music mode)

Power Description2

Minimum Charging Power: 2.50 W
Maximum Charging Power: 15 W

Physical Characteristics4

Form Factor: Desktop
Depth: 39 mm
Diameter: 125 mm
Weight (Approximate): 355 g

Miscellaneous6

Package Contents: Pro Plus Wireless Speakerphone Wireless Audio Receiver Travel pouch Quick Start Guide & Documents USB-A Adapter
Operating System Supported: ChromeOS Linux Mac OS Ubuntu 24.04 Windows 10 (64-bit) Windows 11 (64-bit)
Charger Included: No
Software Supported: Dell Audio App Dell Device Management Console Dell Display and Peripheral Manager
Unified Communications Platform: Microsoft Teams Zoom
TAA Compliant: No

Warranty2

Limited Warranty: 3 Year
Additional Warranty Information: Dell will send a replacement unit the next business day if deemed necessary after remote diagnosis. Find out more at www.dell.com/warranty

Downloads

7 files from the manufacturer

PDF Datasheets Dell SL525 Datasheet.pdf 3.7 MB PDF Manuals & guides Dell Audio Mobile App Users Guide.pdf 2.8 MB PDF Manuals & guides Dell Pair Users Guide.pdf 415 KB PDF Manuals & guides Dell Pro Plus Wireless Speakerphone SL525 Users Guide.pdf 4.6 MB ZIP Software & firmware · Opens on manufacturer site Dell_SL525_FWUpdater_vivaldi_v1.8.3.8_20260317.zip ZIP Software & firmware · Opens on manufacturer site UCPairingTool_v1.0.0.0_signed.zip PDF Other documents Dell SL525 Compatible UC Applications List.pdf 112 KB

Questions about SL525

What is the Dell SL525 and who is it for?

The Dell SL525 is a desktop wireless speakerphone for calls around a table of a few people. It suits huddle spaces, small meeting rooms and home offices where a laptop already runs Microsoft Teams or Zoom and a full video system would be more than the room needs. Its four microphones and 60 mm speaker are sized for small groups rather than large boardrooms.

How far can the microphones pick up voices?

The data lists a microphone pickup range of 2499.36 mm, or about 2.5 metres. The four microphones are omnidirectional, so people seated on different sides of the unit can be heard. For a long table or a large room, one speakerphone may not reach everyone, so check the seating layout before you order.

Does the SL525 work with Microsoft Teams and Zoom?

Yes. The data lists the speakerphone as certified for Microsoft Teams and Zoom, and as compatible with leading unified communications platforms. It has a dedicated Microsoft Teams button, along with controls to answer and end calls, mute the microphone and adjust volume. Confirm your exact Teams or Zoom version with the SmartRooms Qatar team when you request a quote.

What is the difference between Bluetooth and the wireless audio receiver?

Bluetooth 5.3 connects the speakerphone to a laptop or phone over a listed range of 30 m, with up to eight paired devices and two simultaneous connections. The wireless audio receiver is the option Dell describes as more reliable. Use Bluetooth for mobile working and phones, and the receiver for fixed desks where a steady link matters most.

Can the SL525 be connected by cable?

Yes. It has a USB-C host interface and a 750 mm cable, and a USB-A adapter is included for laptops with older ports. A wired connection gives a direct link to the computer without relying on wireless signals, which is useful when a wireless link is not needed.

How long does the battery last, and how long does it take to charge?

The lithium polymer battery is rated for up to 12 hours of talk time in talk mode and 9 hours in music mode. The listed maximum recharge time is 2.5 hours, with charging power between 2.5 W and 15 W. The charger is not included, so confirm a USB-C power source for every desk before the units arrive.

Is it suitable for hot or dusty conditions in Qatar?

The unit carries an IP64 rating, which means it is dust-tight and protected against water splashes, and the data lists it as water resistant. However, the source data does not give an operating temperature range. Ask the SmartRooms Qatar team to confirm the environment for your site before deploying the unit near windows, outdoors or in areas without air conditioning.

Which operating systems and software are supported?

Windows 10 and Windows 11 (64-bit), macOS, ChromeOS, Linux and Ubuntu 24.04 are listed as supported. Software includes the Dell Audio app for controlling the speakerphone from a smartphone, Dell Display and Peripheral Manager for audio presets, and the Dell Device Management Console, a cloud-based tool for managing a fleet of Dell peripherals.

What comes in the box?

The box contains the Pro Plus wireless speakerphone, the wireless audio receiver, a USB-A adapter, a travel pouch and a quick start guide with documentation. A charger is not listed, so plan a USB-C power source at each desk.

Can a school or ministry order several units on one purchase order?

Yes. Organisations in Qatar can order several units on a single local purchase order (LPO), and SmartRooms Qatar delivers to all eight municipalities. Government tenders, including Monaqasat, are also supported. Ask for the quotation to show the quantity, accessories and any installation support, so the set can be approved in one step.

What warranty applies to the SL525?

The data lists a 3-year limited hardware warranty from Dell. Under the Advanced Exchange service, Dell will ship a replacement the next business day if one is needed after remote diagnosis. Products are covered by the manufacturer's warranty, and SmartRooms Qatar can confirm the warranty terms with your quotation.

Is this model right for a boardroom in Msheireb or a government office in Doha?

For a large boardroom, the SL525 is best treated as a personal or small-group speakerphone rather than a room system. Its 2.5 metre pickup range and 60 mm speaker suit a table of a few participants. For a larger room, SmartRooms Qatar offers a free site survey to confirm whether one unit will cover the space.