Itoki ACT2 vs SIHOO M57

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

Itoki ACT2

Itoki

Itoki ACT2

¥132,240

≈ $830

VS
SIHOO M57

SIHOO

SIHOO M57

$319.99

12 lb

lighter: Itoki ACT2 weighs less than SIHOO M57 (official specs)

Differences at a glance

Itoki ACT2SIHOO M57
Price
¥132,240$319.99
Seat height
450–565 mm (17.7-22.2 in)46–55 cm (≈ 18.1-21.7 in)
Recline
20°Reclines up to 126°
Arms
Adjustable arms (4D link arms): height, depth, rotation angle3D coordinated armrests (up and down, left and right, forward and backward)
Headrest
Adjustable head support: 60 mm height, 30° front-backHeadrest adjusts vertically up to 3.9 inches and rotates 45 degrees
Lumbar support
Pelvis & lumbar support: 60 mm, 7 stepsDual-adjustable lumbar support (vertical and horizontal)
Warranty
Structure 3 years (mechanisms and moving parts 2 years, exterior and surface finish 1 year)3 years

Questions

Which has a headrest?

Both: the Itoki ACT2 as standard and the SIHOO M57 as standard.

Itoki ACT2: specs, reviews, where to buy →SIHOO M57: specs, reviews, where to buy →

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