# Speakerphone Dell SL525 Universal Black — wireless USB-C, omnidirectional mic, 8W, 3200mAh, 12h talk time, 30m range

**URL:** https://aio.lv/en/product--dell-sl525-emea--11697761
**Data updated:** 2026-02-25 16:41 (EET)
**Category:** Conference Equipment
**Manufacturer:** Dell
**Manufacturer code:** SL525-EMEA
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

Dell SL525 is a universal wireless speakerphone in black with USB-C connectivity designed for hands-free calls and small conference rooms. It features an omnidirectional microphone with 100–14,000 Hz frequency response, dynamic driver delivering 8 W output, 86 dB sensitivity and up to 30 m operating range. Powered by a 3200 mAh battery it provides up to 12 hours of talk time.

## Long description

Dell SL525 Universal Black is a wireless USB-C speakerphone designed for hands-free communication in small meeting spaces, home offices and mobile setups. The unit integrates an omnidirectional microphone array and an 8 W dynamic driver to reproduce voice with a frequency response that supports clear speech. It offers Bluetooth wireless connectivity alongside wired USB-C connection, a 3200 mAh rechargeable battery and an operating range of up to 30 m, providing portable use and extended talk time for calls and conferences.
Advantages
The speakerphone provides up to 12 hours of continuous talk time on a single charge and supports fast, reliable connections via USB-C or Bluetooth. Its omnidirectional microphone design captures voices from all directions, while an 8 W driver and 86 dB sensitivity ensure audible playback for small groups. The compact, cordless form factor and multi-microphone voice pickup simplify setup and reduce the need for additional audio equipment.
Suitable for
Small conference rooms and huddle spaces
Home office voice and video calls
On-the-go meetings and mobile work
Personal use during remote collaboration
Key specifications
Audio output power: 8 W dynamic driver
Microphone type and coverage: omnidirectional microphone array
Microphone frequency response: 100–14,000 Hz
Sensitivity: 86 dB
Wireless: Bluetooth (version indicated as Bluetooth 5.3 in product materials)
Connectivity: USB-C wired connection
Battery capacity: 3200 mAh
Talk time: up to 12 hours per charge
Operating range: up to 30 m
How to use
Connect the Dell SL525 to a host device using the USB-C cable for a wired link or pair via Bluetooth for wireless operation. Place the speakerphone centrally on the table within the meeting area to maximize omnidirectional voice pickup. Use the device controls to answer and end calls, adjust volume, and manage pairing. Ensure the unit is charged before extended use; charging via USB-C restores battery capacity for subsequent sessions.
Usage recommendations
For best audio performance, position the speakerphone on a stable, flat surface in the center of participants and keep the distance between participants and the device within a few meters. When using in noisy environments, enable any available noise reduction features on the host device or conferencing app, and keep firmware up to date to maintain microphone and connection performance.

## Specifications

### Features

| Feature | Value |
|---|---|
| Certification | Microsoft Teams
Zoom |
| Plug and Play | Yes |
| Cable length | 0.75 m |
| Product colour | Black |
| Maximum operating distance | 30 m |
| Device type | Universal |
| International Protection (IP) code | IP64 |
| Windows operating systems supported | Y |
| Mac operating systems supported | Y |
| Linux operating systems supported | Y |
| Portable | Yes |

### Microphone

| Feature | Value |
|---|---|
| Microphone frequency | 100 - 14000 |
| Number of microphones | 4 |

### Loudspeakers

| Feature | Value |
|---|---|
| Sensitivity | 86 dB |
| Frequency range | 90 - 20000 |
| Output power | 8 W |
| Driver type | Dynamic |

### Ports & interfaces

| Feature | Value |
|---|---|
| Connectivity technology | Wireless |
| Bluetooth version | 5.3 |
| Bluetooth | Yes |
| USB connector type | USB Type-C |

### Power

| Feature | Value |
|---|---|
| Battery recharge time | 2.5 h |
| Talk time | 12 h |
| Power source type | Battery |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.355 kg |
| Height | 125 mm |
| Width | 125 mm |
| Depth | 39 mm |

### Packaging content

| Feature | Value |
|---|---|
| Quantity | 1 |
| Cables included | USB Type-A |
| Quick start guide | Yes |

### Battery

| Feature | Value |
|---|---|
| Battery capacity | 3200 mAh |

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Dell products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Dell service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: device type, connectivity technology, weight, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/11697761/67080323_large.webp