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520-AASI

Dell SB521A Slim Soundbar for P3221D P2721Q U2421E Displays

Dell - Dell SB521A Slim Soundbar for P3221D P2721Q U2421E Displays
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Specials
Prices, images and descriptions are for reference purposes only & may change without prior notice. PLEASE RELY ON ABOVE DESCRIPTIONS AND NOT ON IMAGES. 520-AASI Dell SB521A Slim Soundbar for P3221D P2721Q U2421E Displays is available from Laptop Direct and it is sold as new from our Sound bar for monitors / TVs range of products. For reference purposes, the price of R878 is valid 2026-10-22, and while stocks last, may be valid until . The price displayed is a guide for reference purposes only, and may change without prior notice. Reference prices are an invitation for potential buyers to make an offer to purchase, which we may reject without reason. A quote with final pricing is sent before a purchase can be made. T&C's apply. E&OE. Laptop Direct. You are looking at products found in the Sound bar for monitors / TVs category.
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Specification for the entire series

Important information: Kindly note that specifications differ between models. Features, options and accessories displayed below this paragraph are not included with this product unless it has been specified in the above description.


Please remember these important points when reading the information below this paragraph: Operating systems cannot be removed or changed, monitors are not included with computers, free Anti-virus and Office Software are trial versions or may have limited features and an additional license needs to be purchased to activate the full product.

520-AASI

Dell SB521A Slim Soundbar for P3221D P2721Q U2421E Displays

Dell SB521A Slim Soundbar for P3221D P2721Q U2421E Displays

Overview Summary

Dell Slim Soundbar SB521A - compact audio bar tailored for Dell P-series and U-series monitors. This ultra-thin soundbar magnetically attaches beneath compatible displays (such as P3221D, P2721Q, U2421E), providing clear stereo sound without clutter or external speakers.

It delivers 3.6 W RMS audio performance, a frequency range of 180 Hz to 20 kHz, and simple USB-A connectivity. The magnetic mounting ensures your workspace remains tidy while offering improved sound for calls, videos, and daily productivity use.

The SB521A enhances your monitor experience by integrating sound directly, eliminating the need for separate desktop speakers. It is ideal for office, home, or remote work setups where space and simplicity matter.

What tier does this fall into?

Entry / Productivity Tier

What is this best for?

video calls, office audio, YouTube, system alerts, light media playback

Overview

This slim and lightweight soundbar offers exceptional audio clarity and easy magnetic attachment to Dell select monitors, ensuring a clutter-free desk.

Description

The Dell Slim Soundbar SB521A is engineered to deliver functional and unobtrusive audio enhancement to your monitor setup. Its ultra-thin design allows it to cling magnetically to the underside of compatible Dell monitors, supporting full movement (tilt, swivel, pivot) without interfering with your workflow. By drawing power and audio via USB-A, it avoids external adapters and cable clutter.

Though modest in output, its 3.6 W stereo drivers are tuned for clarity in dialogue, system alerts, conferencing, and general productivity audio. It does not include a subwoofer or deep bass output - it is meant to complement your monitor rather than replace full desktop speakers. The built-in security chain option adds protection in shared or open environments.

Features

The Dell SB521A is designed to offer a seamless audio upgrade for Dell monitors with minimal fuss. Key features include:

  • Magnetic snap-on mount - attaches cleanly to the bottom bezel of compatible Dell monitors without obstructing swivel, tilt, or pivot movement.
  • USB powered plug-and-play - requires only a USB-A connection for audio and power; no separate power brick or batteries.
  • Integrated 3.6 W stereo output - balanced audio for voice, alerts, and light multimedia.
  • Compact and slim profile - thickness less than 2 cm, maintaining a low visual footprint.
  • Security chain slot - includes mounting hardware to secure the soundbar from accidental removal or theft.

What's in the Box

  • Dell Slim Soundbar SB521A
  • Security chain (loop cable)
  • USB-A cable (approx. 0.15 m)
  • Documentation / Quick start guide

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Specificationsspacer
Product Code520-AASIspacer

General
Product Type Sound bar - for monitor
Speaker System
Continuous Power 3.6 Watt
Frequency Response 180 - 20000 Hz
Max Output Level (Max SPL) 89 dB
Additional Features Magnetic
Speaker System Details
Speakers Included Sound bar - 3.6 Watt - 180 - 20000 Hz - wired
Speaker Details Sound bar - stereo - 180 - 20000 Hz CFR - active
Driver Details Sound bar:
Connections
Connector Type USB
Supported Operated System Windows or Mac OS(PC)
Miscellaneous
Included Accessories Security loop, USB cable (0.15m)
Supported Host Device OS Windows 10 (64-bit), Windows 11 (64-bit)
Dimensions & Weight
Width 11.7 in
Depth 0.7 in
Height 0.9 in
Weight 4.02 oz
Compatibility Information
Designed For P-Series Monitors:
P2222H, P2223HC, P2225H, P2422H, P2422HA, P2422HE, P2423, P2423D, P2423DE, P2425H, P2425HE, P2425, P2425E, P2425D, P2425DE, P2721Q, P2722H, P2722HE, P2723D, P2723DE, P2723QE, P2725H, P2725HE, P2725D, P2725DE, P2725QE, P3221D, P3222QE, P3223DE, P3223QE, P3225QE, P3225DE, P3421W, P3421WM, P3424WE, P3425WE
U-Series Monitors:
U2421E, U2422H, U2422HE, U2422HX, U2424H, U2424HE, U2722D, U2722DE, U2722DX, U2723QE, U2723QX, U2724D, U2724DE, U2725QE, U3023E, U3223QE, U3225QE
Note : Ensure that the USB upstream cable is connected from your computer to the Dell monitor to enable USB pass-through. This additional USB upstream cable connection is required if your computer is using an HDMI or DisplayPort cable.

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