SIHOO Doro C300 Pro V2 vs Itoki ACT2
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
26.8 lb
lighter: Itoki ACT2 weighs less than SIHOO Doro C300 Pro V2 (official specs)
Differences at a glance
Sources
- Sihoo Doro C300 Pro V2 Ergonomic Office Chair – Official US Sihoo Store ↗Checked Oct 16, 2026
- ITOKI Product Catalog: Act2 KJ-457JE-GNB4 ↗Checked Sep 29, 2026
- ITOKI Product Catalog: Act2 functions and features ↗Checked Sep 29, 2026
- ITOKI quality warranty ↗Checked Sep 29, 2026
- ITOKI (Japan) (price) ↗Checked Sep 25, 2026
SIHOO Doro C300 Pro V2Itoki ACT2
- Price
- $499.99 – $549.99¥132,240
- Seat height
- 17.5–20.9 in450–565 mm (17.7-22.2 in)
- Recline
- Recline Angles 105°, 120°, 135°20°
- Arms
- 8D Bionic Armrests (up, down, forward, back, rotate, or tilt)Adjustable arms (4D link arms): height, depth, rotation angle
- Headrest
- Ultra-wide 3D headrest, adjusts in three directionsAdjustable head support: 60 mm height, 30° front-back
- Lumbar support
- Domino™ Sacral-Lumbar Support 2.0: moves up or down, 3 support levelsPelvis & lumbar support: 60 mm, 7 steps
- Warranty
- 3 years (covers manufacturing defects)Structure 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 V2 as standard and the Itoki ACT2 as standard.
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More comparisons
- SIHOO Doro C300 Pro V2 vs Herman Miller Aeron Arms: 8D Bionic Armrests on SIHOO Doro C300 Pro V2; Arm height 7.5–11.5 in on Herman Miller Aeron.
- SIHOO Doro C300 Pro V2 vs Steelcase Leap V2 Load capacity: 330 lb on SIHOO Doro C300 Pro V2; 400 lb on Steelcase Leap V2.
- SIHOO Doro C300 Pro V2 vs HBADA X7 Smart SIHOO Doro C300 Pro V2 lists at $499.99 – $549.99; HBADA X7 Smart at $1,509 (official stores).
- SIHOO Doro C300 Pro V2 vs LiberNovo Omni Arms: 8D Bionic Armrests on SIHOO Doro C300 Pro V2; 4D Armrest Adjustment on LiberNovo Omni.
- 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.




