SIHOO Doro C300 Ultra V2 vs Itoki ACT2

Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.

SIHOO

SIHOO Doro C300 Ultra V2

$679.99 – $689.99

Itoki

Itoki ACT2

¥132,240

≈ $830

24.3 lb

lighter: Itoki ACT2 weighs less than SIHOO Doro C300 Ultra V2 (official specs)

Differences at a glance

SIHOO Doro C300 Ultra V2Itoki ACT2

Price: $679.99 – $689.99¥132,240
Seat height: 47.5–55.5 cm (≈ 18.7-21.9 in)450–565 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)

Which has a headrest?

Both: the SIHOO Doro C300 Ultra V2 as standard and the Itoki ACT2 as standard.