SIHOO Doro C300 Pro vs Itoki ACT2
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
22.5 lb
lighter: Itoki ACT2 weighs less than SIHOO Doro C300 Pro (official specs)
Differences at a glance
Sources
- Sihoo Doro C300 Pro Ergonomic Office Chair Fully Loaded Comfort – EU Sihoo official Shop ↗Checked Oct 8, 2026
- ITOKI Product Catalog: Act2 KJ-457JE-GNB4 ↗Checked Sep 29, 2026
- Doro C300 Pro Ergonomic Office Chair | Adjustable Lumbar, 6D Armrests, Smart Recline – UK Sihoo official Shop ↗Checked Oct 8, 2026
- ITOKI Product Catalog: Act2 functions and features ↗Checked Sep 29, 2026
- Sihoo Doro C300 Pro Ergonomic Office Chair – Official US Sihoo Store ↗Checked Oct 8, 2026
- ITOKI quality warranty ↗Checked Sep 29, 2026
- ITOKI (Japan) (price) ↗Checked Sep 25, 2026
SIHOO Doro C300 ProItoki ACT2
- Price
- $789.99 – $839.99¥132,240
- Seat height
- 46–56.7 cm450–565 mm (17.7-22.2 in)
- Recline
- Maximum recline angle of 135°20°
- Arms
- 6D coordinated armrests (up and down, left and right, front and back, inward and outward, with tilt-lock of armrests, and synchronized recline)Adjustable arms (4D link arms): height, depth, rotation angle
- Headrest
- Headrest adjusts up and down, back and forth, or rotatesAdjustable head support: 60 mm height, 30° front-back
- Lumbar support
- Lumbar support automatically conforms to your spine (BM Tracking System)Pelvis & lumbar support: 60 mm, 7 steps
- Warranty
- 3 yearsStructure 3 years (mechanisms and moving parts 2 years, exterior and surface finish 1 year)
Questions
Which has a headrest?
Both: the SIHOO Doro C300 Pro as standard and the Itoki ACT2 as standard.
Swap in a similar chair
Compare SIHOO Doro C300 Pro with
Compare Itoki ACT2 with
More comparisons
- SIHOO Doro C300 Pro vs Steelcase Gesture Arms: 6D coordinated armrests on SIHOO Doro C300 Pro; Width 10.25–22.5 in between arms on Steelcase Gesture.
- SIHOO Doro C300 Pro vs HBADA X7 Air SIHOO Doro C300 Pro lists at $789.99 – $839.99; HBADA X7 Air at $1,399 (official stores).
- SIHOO Doro C300 Pro vs HBADA E3 Pro (2026 Edition) Arms: 6D coordinated armrests on SIHOO Doro C300 Pro; Armrest Height: 28.3"–34.4" on HBADA E3 Pro (2026 Edition).
- SIHOO Doro C300 Pro vs Autonomous ErgoChair Pro Arms: 6D coordinated armrests on SIHOO Doro C300 Pro; 3D armrests on Autonomous ErgoChair Pro.
- 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.

