
, PO and Wire.
Intelligent Audio
Perfectly capturing voices with precision, the speakerphone delivers consistent, crystal-clear sound quality up to 2.5 meters between you and the device. Ideal for use in huddle spaces, home offices, or small conference rooms.
Discover the Difference with AI-based Noise Cancellation
Our AI-based noise cancellation microphone technology delivers remarkable clarity by filtering out background noise and enhancing human voices on both ends of the call. These audio samples highlight the performance difference, allowing you to hear how our speakerphone stands out in providing clear, distraction-free audio.
Experience the clarity that sets us apart. Our speakerphone doesn't just compete - it leads.
Robust Audio Performance | Versatile Connectivity | Connectivity options
Enjoy Bluetooth® 5.3 with Multi-point connectivity, wireless connectivity through Dell audio receiver for added reliability, or the built-in wired USB-C connection for a direct and seamless experience.
Universal device compatibility
Integrated USB-C connection with an in-box USB-A adapter ensures seamless compatibility across devices.
Convenient pairing
Your speakerphone is detected automatically & paired with only one click using Dell Pair - a simple and secure way to connect your speakerphone to your PC.
Reliable Performance
Ensuring trustworthy audio clarity, this wireless speakerphone ensures every word is heard and understood, making your work calls seamless and stress-free.
Up to 12 hours
Continuously work all day with a full charge.
Reliable and portable
Dust-tight and water-resistant protection ensures performance in any environment.
Collaboration-ready
This speakerphone is certified for Microsoft Teams and Zoom, and it is compatible with leading UC platforms.
Dell Display and Peripheral Manager
Experience Dell's singular, innovative application to optimize the performance of your entire Dell PC workspace.
Customize your audio experience
With this intuitive software, you can personalize your audio experience by assigning preset modes like Speech, Bass Boost, or Treble Boost, creating tailored audio presets with the Audio Equalizer, and toggling AI noise cancellation on/off to suit your environment. Stay effortlessly updated with the latest firmware updates, ensuring optimal performance and control over your sound environment.
Dell Audio App
Conveniently access your wireless speakerphone controls right from your smartphone and start enjoying clear communication and personalized preferences.
| General Information | |
| Manufacturer | Dell Technologies |
| Manufacturer Part Number | SL525-DAO |
| Manufacturer Website Address | http://www.delltechnologies.com |
| Brand Name | Dell |
| Product Line | Pro Plus |
| Product Model | SL525 |
| Product Name | Pro Plus Wireless Speakerphone - SL525 |
| Product Type | Speakerphone |
| Technical Information | |
| Connectivity Technology | Wired/Wireless |
| Wireless Technology | Bluetooth |
| Bluetooth Standard | Bluetooth 5.3 |
| Bluetooth Range | 98.43 ft |
| Cable Length | 29.53" |
| Application/Usage | Conference Room |
| Application/Usage | Home |
| Application/Usage | Huddle Room |
| Application/Usage | Home Office Room |
| Plug & Play Support | Yes |
| Artificial Intelligence Noise Cancelling (AINC) | Yes |
| Cable Type | USB Type-C |
| AI-powered | Yes |
| Ingress Protection (IP) Rating | IP64 |
| Maximum Number of Paired Devices Supported | 8 |
| Maximum Number of Simultaneous Connections | 2 |
| Features | Water Resistant |
| Features | Full Duplex Audio |
| Features | Echo Cancellation |
| Features | Digital Signal Processing |
| Microphone | |
| Number of Microphones | 4 |
| Polar Pattern | Omni-directional |
| Microphone Technology | Digital Micro-electromechanical Systems (MEMS) |
| Microphone Frequency Response | 100Hz - 14kHz |
| Microphone Pickup Range | 98.40" |
| Microphone Signal to Noise Ratio (SNR A-Weighted) | 65 dB(A) |
| Speaker | |
| 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) |
| Speaker Frequency Response | 90Hz - 20kHz (Music Mode) |
| Interfaces/Ports | |
| USB | Yes |
| USB Type-C | Yes |
| Host Interface | USB-C |
| Controls/Indicators | |
| Status Indicators | Bluetooth |
| Status Indicators | Volume Down |
| Status Indicators | On Call |
| Status Indicators | Volume Up |
| Status Indicators | Battery Level |
| Status Indicators | Mute |
| Status Indicators | Powered On |
| Status Indicators | Teams Active/Notifications |
| Controls | Answer Call |
| Controls | End Call |
| Controls | Volume Down |
| Controls | Microsoft Teams |
| Controls | Volume Up |
| Controls | Microphone Mute/Unmute |
| Battery Information | |
| Battery Rechargeable | Yes |
| Battery Chemistry | Lithium Polymer (Li-Polymer) |
| Battery Capacity | 3200 |
| Maximum Battery Recharge Time | 2.50 Hour |
| Battery Talk Time | 12 Hour |
| Battery Talk Time Details |
|
| Power Description | |
| Power Source | Battery |
| Minimum Charging Power | 2.50 W |
| Maximum Charging Power | 15 W |
| Physical Characteristics | |
| Form Factor | Desktop |
| Depth | 1.54" |
| Diameter | 4.92" |
| Weight (Approximate) | 12.52 oz |
| Miscellaneous | |
| Package Contents |
|
| Compatibility |
|
| Operating System Supported | ChromeOS |
| Operating System Supported | Linux |
| Operating System Supported | Windows 10 (64-bit) |
| Operating System Supported | Ubuntu 24.04 |
| Operating System Supported | Windows 11 (64-bit) |
| Operating System Supported | Mac OS |
| Charger Included | No |
| Software Supported | Dell Device Management Console |
| Software Supported | Dell Display and Peripheral Manager |
| Software Supported | Dell Audio App |
| Unified Communications Platform | Zoom |
| Unified Communications Platform | Microsoft Teams |
| TAA Compliant | No |
| Warranty | |
| Limited Warranty | 3 Year |
| Additional Warranty Information | Dell will send a replacement unit the next business day if deemed necessary after remote diagnosis. |
WARNING:: The plastic used in cable products can expose you to lead and lead components,
chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information go to www.P65Warnings.ca.gov