Dell AC511M Soundbar
- Channels: 2
- Connectivity: USB
- Power: 2 watts
- Brand Tech: Dell
Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
With 2W across two channels and USB-only power, the AC511M suits a monitor or laptop desk, not a TV or full room audio setup.
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ASIN: B07FZY2MJNModel: AC511MCategory: Soundbars
Overview
The Dell AC511M is a slim 2.0 channel bar speaker built to sit under a monitor, drawing power over its USB connection instead of a separate adapter. At 15.9 inches wide and 1 lb, with plug or bar mounting, it reads as a desk companion rather than a living room soundbar.
Everything in the spec sheet points to desktop use: a single USB connection for power, a slim bar shape sized to clip under or beside a monitor, and just 2W spread across two channels. That combination is well below what a TV soundbar typically needs to fill a room, even though the listing sits in a TV & Home Theater category.
- 2.0 channel USB powered soundbar
- 15.9 x 1.9 x 1.5 in slim bar
- 1 lb, plug or bar mount
- Black finish
Who it's for
Suits someone who wants clearer sound at a desk than laptop or monitor speakers provide, without adding a power brick or separate amp. Not a match for anyone shopping for TV or living room audio.
Pros and cons
- USB powered, no separate adapter needed
- Compact 15.9 in bar fits under most monitors
- Two mounting options: plug mount or bar mount
- 2W across 2.0 channels limits volume and bass for a room
- Only USB connectivity listed, no Bluetooth or optical
Performance notes
Output is governed by a 2W power rating spread across 2.0 channels, which caps how loud or bass heavy this bar can get regardless of source material. USB power removes the need for a wall adapter but also ties the ceiling on output to what a USB port can supply.
Specifications
| Brand | Dell |
|---|---|
| Model | AC511M |
| Dimensions & fit | |
| Weight | 1 poundlower than 100% of 40 soundbars |
| Dimensions | 1.5 × 15.9 × 1.9 inches |
| Dimensions | 1.5 x 15.9 x 1.9 in |
| Power & efficiency | |
| Power | 2 wattslower than 97% of 31 soundbars |
| Construction & materials | |
| Color | Black |
| Compatibility & installation | |
| Connectivity | USB |
| Mounting | Plug Mount,Bar Mount |
| Other details | |
| Channels | 2 |
| Brand Tech | Dell |
| Speaker Type | Soundbar |
Closest rivals on specs
Saiyin SDS6302G2 Bluetooth Sound Bar 17 Inch- Power 2 vs 60 watts (-97%)
- Weight 1 vs 1.4 pounds (-29%)
Bose Solo 5 TV Soundbar- Power 2 vs 36 watts (-94%)
- Weight 1 vs 3.7 pounds (-73%)
Yamaha SR-C20A Compact Sound Bar- Power 2 vs 100 watts (-98%)
- Weight 1 vs 3.97 pounds (-75%)
Frequently asked questions
Does the Dell AC511M need a separate power adapter?
No, connectivity is listed as USB, so it draws power through the USB connection itself.
Will the AC511M work as a TV soundbar?
Its 2.0 channel, 2W output and compact bar mounting point to desktop or monitor use rather than a full room TV setup.
How does the AC511M mount?
The listing gives two options, plug mount and bar mount.