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Black HP S100 sound bar, slim rectangular shape, attaches under monitor bezel

HP

HP 2LC49AT S100 Sound Bar 2.5W Black

SKU CH-XFR0-K6KRP MPN 2LC49AT

USB-powered monitor sound bar with 2.5 W RMS stereo output, tool-free bezel mounting, line-in and headphone jacks

  • Connection typesUSB Connector
  • Rated powerRMS power: 2.5 W; MAX output power: 2.8 W
  • Frequency rangeFrequency (MHz): 140 to 20 kHz
  • Rated impedance8 ohms +/-15%
  • Size and weightDimensions: 1.88 in × 10.7 in × 1.59 in Weight: 0.66 lb
  • Product typeSoundBar
  • Tool-free bezel mount keeps desk clear
  • USB-powered 2.5 W RMS stereo sound
  • 140 Hz to 20 kHz frequency response
  • Line-in and headphone jack for flexible audio
  • Lightweight 0.66 lb design fits 2017 and 2018 HP displays

What it is and who it fits

The HP S100 sound bar mounts directly to the bottom bezel of compatible HP ProDisplay, EliteDisplay and Z monitors from 2017 and 2018. It draws power and audio through a single USB connection so no external adapter is needed. The bar adds dual-speaker stereo output for video calls and media without taking extra desk space.

Limits of the USB-powered 2.5 W design

RMS output is 2.5 W with a 2.8 W peak, so volume is suited to personal listening at a desk rather than filling a meeting room. Frequency response runs from 140 Hz to 20 kHz through an 8-ohm load, meaning deep bass is not reproduced. The line-in jack accepts portable players but adds no amplification of its own.

Tool-free mounting and common snags

Slots on the bar engage the monitor’s lower bezel and a USB cable plugs into the display’s integrated port; no drivers or screws are required. Installation fails when the monitor lacks the matching slots or an available USB port. The right-side volume knob and headphone jack are within reach, but the short captive cable limits placement flexibility.

How it compares

Measured against everything we stock in Soundbar Speaker Systems, at today’s prices. Recalculated every night.

Price $25.99
Cheaper than about 96% of the 339 comparable items (median $419.99).

Specifications

Product
Brand nameHP
Model name2LC49AT
Product typeSoundBar
Product colorBlack
Audio & video
Frequency rangeFrequency (MHz): 140 to 20 kHz
Rated impedance8 ohms +/-15%
Ports & slots
Connection typesUSB Connector
Power
Rated powerRMS power: 2.5 W; MAX output power: 2.8 W
Size & build
Size and weightDimensions: 1.88 in × 10.7 in × 1.59 in
Weight: 0.66 lb
Shipping weight0.91 kg
Package size413 × 305 × 108 mm
In the box
In the boxSpeaker; USB cable; HP Instruction sheet; HP Warranty documentation; HP Product Notice card

Questions about this item

Which power rating should I choose between RMS and maximum output?

The bar delivers 2.5 W RMS continuous power and peaks at 2.8 W maximum output, so the single model covers both figures.

What does 2.5 W RMS mean for everyday listening at my desk?

2.5 W RMS provides clear stereo sound for video calls, streaming and multimedia at typical near-field distances without distortion.

What does the USB connector actually power and what limits apply?

The USB connection powers the speaker bar directly from the monitor's port, eliminating an external adapter and drawing only the 2.5 W RMS the amplifier needs.

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