Herman Miller Mirra 2 vs Itoki ACT2

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

Herman Miller

Herman Miller Mirra 2

$1,365 – $1,915

Itoki

Itoki ACT2

¥132,240

≈ $830

19.2 lb

lighter: Itoki ACT2 weighs less than Herman Miller Mirra 2 (official specs)

Differences at a glance

Herman Miller Mirra 2Itoki ACT2

Price: $1,365 – $1,915¥132,240
Seat height: 16–20.5 in standard; 14.75–19 in low; 16.75–22.25 in extended450–565 mm (17.7-22.2 in)
Recline: Harmonic 2 Tilt; options: Standard Tilt, Tilt Limiter, Tilt Limiter with Seat Angle20°
Arms: Options: No Arms, Fixed Arms, Fully Adjustable 4D ArmsAdjustable arms (4D link arms): height, depth, rotation angle
Lumbar support: PostureFit Sacral-Support Standard; Adjustable Lumbar-Support OptionalPelvis & lumbar support: 60 mm, 7 steps
Warranty: 12-year, 3-shift warranty, with limited exceptionsStructure 3 years (mechanisms and moving parts 2 years, exterior and surface finish 1 year)

From 18 Herman Miller Mirra 2 and 6 Itoki ACT2 user reviews, most mentioned first. Green is liked, orange is a caution.

What do owners mention most?

Comfort for the Herman Miller Mirra 2, and design for the Itoki ACT2, based on review summaries.