The 24-inch iiyama ProLite X2491HS-B1 monitor offers an advanced visual experience thanks to the Full HD 1920x1080 IPS panel , capable of guaranteeing brilliant colors and sharp images from any angle. The 120Hz refresh rate , 1ms MPRT response time and Adaptive Sync support ensure high fluidity and responsiveness, while Flicker Free and Blue Light Reducer technologies reduce eye fatigue. The 4-sided borderless design, built-in 2W speakers , HDMI and DisplayPort connections and EPEAT Silver certification make this monitor a modern, efficient and versatile solution for work, study and entertainment.
X2491HS-B1 – IIYAMA PROLITE FULL HD 24" IPS MONITOR - EYESAFE - ECOFRIENDLY - INTEGRATED SPAEKERS

The 24-inch iiyama ProLite X2491HS-B1 monitor is designed to offer high performance in professional and multimedia environments thanks to the Full HD IPS panel , which guarantees sharp images, accurate colors and wide viewing angles. The 120Hz refresh rate , 1ms MPRT response time and Adaptive Sync technology ensure a smooth and responsive display. Flicker Free and Blue Light Reducer functions improve viewing comfort, while the 4-sided borderless design and built-in 2W speakers make the monitor ideal for modern, productive and elegant workstations.
Main features:
- 24" Full HD (1920x1080) IPS display
- 120Hz refresh rate for smooth and responsive images
- Response time 1 ms MPRT
- Adaptive Sync technology for greater visual fluidity
- Built-in 2 x 2W speakers
- Blue Light Reducer and Flicker Free to reduce eye strain
- Ultra-slim 4-sided design ideal for multi-monitor setups
- 1500:1 native contrast for deeper details and sharper images
- Brightness 350 cd/m²
- HDMI 1.4 and DisplayPort 1.2 connections
- Built-in headphone output
- VESA mounting 100x100 mm
- Energy class C
- TCO Certified and EPEAT Silver certifications for greater sustainability
Further details
The ultra-slim 4-sided design makes the monitor ideal for professional multi-monitor setups, creating a continuous, seamless workspace. This solution allows you to view multiple applications simultaneously, improve multitasking, and increase productivity in the office, creative industries, and advanced analytics.
Blue Light Reducer and Flicker Free technologies help reduce the eye strain caused by long hours in front of the screen. Reducing blue light emissions and eliminating flicker allow for more comfortable viewing, promoting concentration, well-being, and productivity during daily work, study, and entertainment.
Thanks to its Class C energy rating , modern LED backlighting , and efficient energy management systems, the monitor significantly reduces power consumption without compromising visual quality. Brightness, contrast, and color vibrancy remain high, reducing energy costs and environmental impact while maintaining professional performance.
The built-in 2W speakers deliver clear, instantly available audio for video conferencing, multimedia, online training, and everyday use. This solution eliminates the need for external speakers, helping maintain a tidier, more functional, and professional workstation.

Technical data sheet
| Model | X2491HS-B1 |
| DISPLAY CHARACTERISTICS | |
| Design | 4-side slim bezel |
| Diagonal | 23.8", 60.5cm |
| Panel | IPS panel technology LED, matte finish |
| Native resolution | 1920 x 1080 @120Hz (2.1 megapixel Full HD) |
| Aspect ratio | 16:9 |
| Brightness | 350 cd/m² |
| Static contrast | 1500:1 |
| Advanced contrast | 80M:1 |
| Response time (MPRT) | 1ms |
| Viewing zone | horizontal/vertical: 178°/178°, right/left: 89°/89°, up/down: 89°/89° |
| Color support | 16.7 million (sRGB: 96%; NTSC: 72%) |
| Horizontal Sync | 30 - 140kHz |
| Viewable area W x H | 527 x 296.5mm, 20.7 x 11.7" |
| Pixel pitch | 0.275mm |
| Color | matte, black |
| INTERFACES / CONNECTORS / CONTROLS | |
| Signal input |
HDMI x1 (v.1.4) |
| HDCP | Yes |
| Headphone connector | Yes |
| FEATURES | |
| Blue light reducer | Yes |
| Flicker free | Yes |
| Adaptive Sync support | Yes |
| Extra | i-style Colour |
| OSD languages | EN, DE, FR, ES, IT, RU, JP, CZ, NL, PL, UA |
| Control buttons | Joystick: Center: Power/Menu, Up/Signal Select, Down, Left/Submenu, Right/Volume |
| User controls | color settings (i-Style colour, blue light reducer, RGB range, color temperature, user preset), OSD (OSD H. position, OSD V. position, OSD time, OSD background, DDC/CI control, display information), language, extra 1 (sharpness, video mode adjust, opening logo, power LED), extra 2 (shortcut key), input select, audio settings (volume, mute audio), reset (reset all?) |
| Speakers | 2 x 2W |
| Convenience | Kensington-lock™ prepared, DDC/CI, DDC2B, Mac OSX |
| MECHANICAL | |
| Display position adjustments | tilt |
| Tilt angle | 20th up; 3rd down |
| VESA mounting | 100 x 100mm |
| Cable management system | Yes |
| ACCESSORIES INCLUDED | |
| Cables | power (1.5m), HDMI (1.5m) |
| Other | quick start guide, safety guide |
| POWER MANAGEMENT | |
| Power Supply Unit | internal |
| Power Supply | AC 100 - 240V, 50/60Hz |
| Power Usage | 12W typical, 0.5W stand by, 0.3W off mode |
| SUSTAINABILITY | |
| Regulations | TCO Certified, CE, TÜV-GS, EAC, VCCI-B, PSE, RoHS support, ErP, WEEE, REACH, UKCA |
| Energy efficiency class (Regulation (EU) 2017/1369) | C |
| EPEAT | *registration varies by country, go to www.epeat.net for details |
| REACH SVHC | above 0.1%: Lead |
| DIMENSIONS & WEIGHT | |
| Product dimensions W x H x D | 539 x 387 x 175mm |
| Box dimensions W x H x D | 615 x 395 x 126mm |
| Weight (without box) | 3.2kg |
| Weight (with box) | 4.8kg |


