Itoki ACT2 vs Duorest Alpha
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
Differences at a glance
Sources
- ITOKI Product Catalog: Act2 functions and features ↗Checked Sep 29, 2026
- DUOREST ALPHA (official product page) ↗Checked Sep 29, 2026
- Duorest Alpha Brochure (PDF) ↗Checked Sep 29, 2026
- ITOKI quality warranty ↗Checked Sep 29, 2026
- DUOREST Warranty (official) ↗Checked Sep 29, 2026
- ITOKI (Japan) (price) ↗Checked Sep 25, 2026
- Duoback Official Store (Korea) (price) ↗Checked Sep 29, 2026
Itoki ACT2Duorest Alpha
- Price
- ¥132,240₩413,000 – ₩520,000
- Recline
- 20°Back reclines 18° from upright position; 3:1 back to seat synchronous movement with 3 position backlock
- Arms
- Adjustable arms (4D link arms): height, depth, rotation angle3D arms: height adjustment range 72mm (2.8”), front-to-back adjustment range 40mm (1.6”), pivoting arm caps 17º inward and 17º outward
- Headrest
- Adjustable head support: 60 mm height, 30° front-backOptional Headrest accessory adjusts 49mm (1.9”) vertically; pivoting range 63º
- Warranty
- Structure 3 years (mechanisms and moving parts 2 years, exterior and surface finish 1 year)3 Year Body Frame; 1 Year Mechanism, Cylinder, Form, Casters; 1 Year Flexible Rubber Connector, Seat Pan Materials
What users mention
From 7 Itoki ACT2 and 0 Duorest Alpha user reviews, most mentioned first. Green is liked, orange is a caution.
Back support
Itoki ACT28 mentionsDuorest Alpha3 mentionsDesign
Itoki ACT28 mentionsDuorest Alpha3 mentionsAdjustability
Itoki ACT26 mentionsDuorest Alpha3 mentionsArmrests
Itoki ACT26 mentionsDuorest Alpha1 mentionSeat
Itoki ACT26 mentionsDuorest Alpha1 mentionRecline and tilt
Itoki ACT25 mentionsDuorest Alpha1 mention
Questions
Which has a headrest?
Both: the Itoki ACT2 as standard and the Duorest Alpha as an option.
What do owners mention most?
Back support for the Itoki ACT2, and back support for the Duorest Alpha, based on review summaries.
Swap in a similar chair
Compare Itoki ACT2 with
Compare Duorest Alpha with
More comparisons
- Itoki ACT2 vs Herman Miller Aeron The Itoki ACT2 encourages active sitting, while the Herman Miller Aeron offers iconic mesh ventilation.
- Itoki ACT2 vs Steelcase Gesture The Japanese ACT2 and American Gesture differ sharply on durability reports and value.
- Duorest Alpha vs SIHOO Doro S300 Load capacity: Standard 300 lbs. weight capacity on Duorest Alpha; 330 lb on SIHOO Doro S300.





