Duorest Alpha vs SIHOO B100
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
Differences at a glance
Sources
- DUOREST ALPHA (official product page) ↗Checked Sep 29, 2026
- Sihoo B100 Ergonomic Office Chair With Flip-Up Armrest – Official US Sihoo Store ↗Checked Oct 8, 2026
- Sihoo B100 Ergonomic Office Chair With Flip-Up Armrest – EU Sihoo official Shop ↗Checked Oct 8, 2026
- Duorest Alpha Brochure (PDF) ↗Checked Sep 29, 2026
- DUOREST Warranty (official) ↗Checked Sep 29, 2026
- Duoback Official Store (Korea) (price) ↗Checked Sep 29, 2026
Duorest AlphaSIHOO B100
- Price
- ₩413,000 – ₩520,000$199.99 – $259.99
- Load capacity
- Standard 300 lbs. weight capacity330 lb (≈ 150 kg)
- Recline
- Back reclines 18° from upright position; 3:1 back to seat synchronous movement with 3 position backlockThree lockable angles: 110°, 125° and 135°
- Arms
- 3D arms: height adjustment range 72mm (2.8”), front-to-back adjustment range 40mm (1.6”), pivoting arm caps 17º inward and 17º outwardFlip-up 2D armrests
- Headrest
- Optional Headrest accessory adjusts 49mm (1.9”) vertically; pivoting range 63ºWide 2D adjustable headrest
- Warranty
- 3 Year Body Frame; 1 Year Mechanism, Cylinder, Form, Casters; 1 Year Flexible Rubber Connector, Seat Pan Materials3 years
Questions
Which has a headrest?
Both: the Duorest Alpha as an option and the SIHOO B100 as standard.
Swap in a similar chair
Compare Duorest Alpha with
Compare SIHOO B100 with
More comparisons
- Duorest Alpha vs SIHOO Doro S300 Load capacity: Standard 300 lbs. weight capacity on Duorest Alpha; 330 lb on SIHOO Doro S300.
- SIHOO B100 vs SIHOO M18 Arms: Flip-up 2D armrests on SIHOO B100; Adjustable armrests on SIHOO M18.
- SIHOO B100 vs SIHOO B100 Pro Headrest: Wide 2D adjustable headrest on SIHOO B100; Wide 3D adjustable headrest on SIHOO B100 Pro.
- SIHOO B100 vs SIHOO M59AS Headrest: Wide 2D adjustable headrest on SIHOO B100; Double-jointed headrest on SIHOO M59AS.




