Herman Miller Mirra 2 vs SIHOO Doro C300 Pro

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

SIHOO

SIHOO Doro C300 Pro

$789.99 – $839.99

9 years

longer warranty on Herman Miller Mirra 2 than SIHOO Doro C300 Pro (official terms)

Differences at a glance

Herman Miller Mirra 2SIHOO Doro C300 Pro

Price: $1,365 – $1,915$789.99 – $839.99
Seat height: 16–20.5 in standard; 14.75–19 in low; 16.75–22.25 in extended46–56.7 cm
Seat depth: 16.25 in fixed; 16.25–18 in adjustable16.81–17.76 in (≈ 42.7-45.1 cm)
Load capacity: 350 lb (159 kg)330 lb (≈ 150 kg)
Recline: Harmonic 2 Tilt; options: Standard Tilt, Tilt Limiter, Tilt Limiter with Seat AngleMaximum recline angle of 135°
Arms: Options: No Arms, Fixed Arms, Fully Adjustable 4D Arms6D coordinated armrests (up and down, left and right, front and back, inward and outward, with tilt-lock of armrests, and synchronized recline)
Lumbar support: PostureFit Sacral-Support Standard; Adjustable Lumbar-Support OptionalLumbar support automatically conforms to your spine (BM Tracking System)
Warranty: 12-year, 3-shift warranty, with limited exceptions3 years

Which is cheaper, the Herman Miller Mirra 2 or the SIHOO Doro C300 Pro?

The SIHOO Doro C300 Pro is cheaper to start: $789.99 versus $1,365 for the Herman Miller Mirra 2 at the brand stores (Oct 2026).

Which has a higher weight capacity?

The Herman Miller Mirra 2, rated for 350 lb versus 330 lb for the SIHOO Doro C300 Pro.