520-AASI specification sheet

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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Specifications
Product Code	520-AASI
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.