X2791QS-B1 27" QHD IPS 75Hz, Flicker Free, Blue Light, HDMI DisplayPort, integrated speakers - iiyama
The 27-inch iiyama ProLite X2791QS-B1 monitor with QHD 2560x1440 resolution offers a larger workspace and sharp details, ideal for productivity, multitasking and professional content. The IPS panel with 178° viewing angles and 100% sRGB coverage ensures vivid and consistent colors from every perspective. The four-sided ultra-thin bezel design enables modern multi-monitor setups without visual interruptions. The frequency of up to 75Hz and 1ms MPRT response time ensure smooth and responsive images. Flicker Free and Blue Light Reducer technologies improve viewing comfort during long work sessions, while HDMI, DisplayPort and integrated speakers complete a tidy and versatile workstation.
X2791QS-B1 – IIYAMA PROLITE QHD 27" IPS MONITOR - INTEGRATED SPAEKERS - HAS 150mm

The 27-inch iiyama ProLite X2791QS-B1 monitor with QHD 2560x1440 resolution offers up to 77% more workspace than Full HD , ideal for multitasking, productivity, and professional content. The IPS panel with 178° viewing angles and 100% sRGB coverage ensures vivid colors and sharp details from every perspective. The four-sided ultra-narrow bezel design allows for elegant and seamless multi-monitor setups. The refresh rate of up to 75Hz and 1ms MPRT response time ensure smooth and responsive images. Flicker Free and Blue Light Reducer technologies reduce eye fatigue during long use sessions, while HDMI, DisplayPort, and built-in stereo speakers complete a tidy and functional workstation.
Main features:
- 27” screen with QHD 2560×1440 IPS panel
- 75Hz refresh rate and 1ms MPRT response time
- Four-sided slim bezel design ideal for multi-monitor setups
- 178° viewing angles with 100% sRGB color coverage
- Flicker Free and Blue Light Reducer technologies for visual comfort
- HDMI and DisplayPort connections
- Built-in 2×2W stereo speakers and headphone output
- Adaptive Sync support
- EPEAT Silver and TCO Certified environmental certifications
Further details
Flicker Free and Blue Light Reducer technologies reduce flicker and blue light emission , improving visual comfort during long sessions of work, study or daily use , helping you stay focused for longer.
Technical data sheet
| Model | X2791QS-B1 |
| DISPLAY CHARACTERISTICS | |
| Design | 4-side slim bezel |
| Diagonal | 27", 68.6cm |
| Panel | IPS panel technology LED, matte finish |
| Native resolution | 2560 x 1440 @75Hz (3.7 megapixel QHD) |
| Aspect ratio | 16:9 |
| Brightness | 350 cd/m² |
| Static contrast | 1000:1 |
| Advanced contrast | 80M:1 |
| Response time (MPRT) | 1ms |
| Viewing zone | horizontal/vertical: 178°/178°, right/left: 89°/89°, up/down: 89°/89° |
| Color support | 16.7m (sRGB: 96%; NTSC: 72%) |
| Horizontal Sync | 30 - 112kHz |
| Viewable area W x H | 597.9 x 336.3mm, 23.5 x 13.2" |
| Pixel pitch | 0.233mm |
| 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: Power/Menu (Centre), Up/Signal Select, Down, Left/Submenu, Right/Volume |
| User controls | color settings (i-Style colour, blue loght 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 - 249V, 50/60Hz |
| Power Usage | 7W 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) | D |
| EPEAT Silver | *registration varies by country, go to www.epeat.net for details |
| REACH SVHC | above 0.1%: Lead, Lead monoxide, Diboron trioxide |
| DIMENSIONS & WEIGHT | |
| Product dimensions W x H x D | 613 x 428.5 x 190mm |
| Box dimensions W x H x D | 688 x 442 x 126mm |
| Weight (without box) | 3.8kg |
| Weight (with box) | 6.0kg |


