Itoki ACT2 vs SIHOO Doro C300 Ultra V2

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

Itoki

Itoki ACT2

¥132,240

≈ $830

SIHOO

SIHOO Doro C300 Ultra V2

$679.99 – $689.99

24.3 lb

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

Differences at a glance

Itoki ACT2SIHOO Doro C300 Ultra V2

Price: ¥132,240$679.99 – $689.99
Seat height: 450–565 mm (17.7-22.2 in)47.5–55.5 cm (≈ 18.7-21.9 in)
Recline: 20°Recline Angles 105°, 120°, 135°
Arms: Adjustable arms (4D link arms): height, depth, rotation angle8D Bionic Armrests (up, down, forward, back, rotate, or tilt)
Headrest: Adjustable head support: 60 mm height, 30° front-backUltra-wide 3D headrest, adjusts in three directions
Lumbar support: Pelvis & lumbar support: 60 mm, 7 stepsDomino™ Sacral-Lumbar Support 2.0: moves up or down, 3 support levels
Warranty: Structure 3 years (mechanisms and moving parts 2 years, exterior and surface finish 1 year)3 years (covers manufacturing defects)

Which has a headrest?

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