Dell Pro Plus Wireless Speakerphone SL525
Prices in SGD, excluding 9% GST.
PRODUCT DESCRIPTION
Dell Pro Plus Wireless Speakerphone - SL525 (520-BBMK) - 3 Years Advanced Exchange Warranty
Portable Conferencing, Wired or Wireless
The Dell Pro Plus Wireless Speakerphone SL525 connects by Bluetooth 5.3, the included wireless audio receiver or USB-C cable, and pairs with up to eight devices (two at once).
Four AI Noise-Cancelling Microphones
Four omni-directional MEMS microphones with AI noise cancellation, echo cancellation and full-duplex audio pick up voices up to 2.5 m away; a 60 mm speaker delivers up to 86 dB.
Built to Travel
A 3200 mAh battery gives up to 12 hours of talk time, the body is IP64 rated, and it is certified for Microsoft Teams and Zoom.
Dell SL525 Datasheet — Technical Specifications
General
| Product Name | Dell Pro Plus Wireless Speakerphone - SL525 |
| Model | SL525 |
| Dell SKU (Singapore) | 520-BBMK |
| Warranty | 3 Year Limited Warranty; replacement unit sent next business day if needed after remote diagnosis |
Microphone
| Microphones | 4, omni-directional, digital MEMS |
| Noise Cancellation | AI noise cancellation; echo cancellation; full duplex; DSP |
| Frequency Response | 100 Hz – 14 kHz |
| Pickup Range | 2.5 m |
Speaker
| Speaker | 60 mm dynamic, mono |
| RMS Output Power | 8 W |
| Peak Audio Output | 86 dB |
| Frequency Response | 100 Hz – 14 kHz (talk mode); 90 Hz – 20 kHz (music mode) |
Connectivity
| Wireless | Bluetooth 5.3, range 30 m; wireless audio receiver included |
| Wired | USB-C, 750 mm cable; USB-A adapter included |
| Paired Devices | Up to 8; 2 simultaneous connections |
Battery
| Talk Time | 12 hours (talk mode); 9 hours (music mode) |
| Battery | 3200 mAh lithium-polymer |
| Recharge Time | 2.5 hours |
| Charging Power | 2.5 W minimum, 15 W maximum (charger not included) |
Controls & Design
| Controls | Microsoft Teams, volume up/down, answer call, end call, mic mute/unmute |
| Status Indicators | Battery level, volume, Bluetooth, mute, on call, power, Teams active/notifications |
| Ingress Protection | IP64 |
| Dimensions | 125 mm diameter x 39 mm |
| Weight | 355 g (approx.) |
Certifications
| UC | Microsoft Teams; Zoom |
Compatibility & Software Support
Operating Systems
Windows 11 and 10 (64-bit), macOS, ChromeOS, Linux and Ubuntu 24.04.
Software
Dell Device Management Console, Dell Audio app and Dell Display and Peripheral Manager.
Package Contents & Dell Speakerphones Ordering Information
In the Box
SL525 speakerphone, wireless audio receiver, USB-A adapter, travel pouch, Quick Start Guide and documents.
Dell Speakerphones
| Model | Key feature |
| MH3021P | Speakerphone with multiport adapter |
| SP3022 | Desktop stereo speakerphone, AI noise cancellation, USB-A/C |
| SP325 | Wired USB-C speakerphone, 4 mics, IP64 |
| SL525 (this listing) | Wireless Bluetooth/USB-C speakerphone, 12-hour battery, IP64 |
| SB725 | Monitor-mounted conferencing soundbar for P-series and UltraSharp |
Datasheet & Downloads
| Dell product page | SL525 on dell.com Singapore |
| Dell Support | Drivers, manuals and Dell Display and Peripheral Manager |
Frequently Asked Questions — Dell SL525
How long does the battery last?
Up to 12 hours of talk time, or 9 hours in music mode; a full recharge takes about 2.5 hours.
Can it connect to my phone and laptop at once?
Yes, two simultaneous connections, with up to eight devices remembered.
SL525 or SP325?
The SL525 adds Bluetooth, a wireless receiver and a rechargeable battery; the SP325 is a wired USB-C model with the same four-microphone design.
Is it water resistant?
It is IP64 rated.
What warranty do I get?
3-year Dell limited warranty; Dell sends a replacement unit the next business day if needed after remote diagnosis. Supplied locally by SourceIT with a GST invoice.
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