SIHOO Doro C300 Pro vs Knoll Life Chair

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

SIHOO

SIHOO Doro C300 Pro

$789.99 – $839.99

Knoll

Knoll Life Chair

From $1,947

$1,157.01

lower starting price for SIHOO Doro C300 Pro than Knoll Life Chair at the brand stores

Differences at a glance

SIHOO Doro C300 ProKnoll Life Chair

Price: $789.99 – $839.99From $1,947
Seat height: 46–56.7 cm16.5–21.75 in (42-55 cm); 17" – 22.25"; 17.25–22.5 in (44-57 cm); 15.5" – 19.25"
Seat depth: 16.81–17.76 in (≈ 42.7-45.1 cm)15–19 in (38-48 cm)
Recline: Maximum recline angle of 135°Angle Between Seat and Back 95° - 119°; Tilt Range of Back 24°
Arms: 6D coordinated armrests (up and down, left and right, front and back, inward and outward, with tilt-lock of armrests, and synchronized recline)Arms available in fixed height, height-adjustable or high performance; high performance arms adjust 2.5" in armpad width (1.25" per side) and 3" armpad fore/aft movement; Arm Height from Floor 23.25" - 32.75" (height adjustable / high performance); 26.24" – 31.25" (fixed arm)
Headrest: Headrest adjusts up and down, back and forth, or rotatesOptional headrest measures 9"W x 6" - 9"H
Lumbar support: Lumbar support automatically conforms to your spine (BM Tracking System)Lumbar Support (Fixed) 7.5"; optional height adjustable lumbar (Exceeds 5.5" - 9.8"), 11.5" x 5.5"
Warranty: 3 yearsStructural components: 12 Years; Upholstery, textiles, leathers, finishes: 3 Years

Which is cheaper, the SIHOO Doro C300 Pro or the Knoll Life Chair?

The SIHOO Doro C300 Pro is cheaper to start: $789.99 versus $1,947 for the Knoll Life Chair at the brand stores (Oct 2026).

Which has a headrest?

Both: the SIHOO Doro C300 Pro as standard and the Knoll Life Chair as an option.