SIHOO B300 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 B300 Pro

$329.99 – $379.99

Knoll

Knoll Life Chair

From $1,947

$1,617.01

lower starting price for SIHOO B300 Pro than Knoll Life Chair at the brand stores

Differences at a glance

SIHOO B300 ProKnoll Life Chair

Price: $329.99 – $379.99From $1,947
Seat height: 46.8–55.3 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: 16.5–18.5 in (≈ 42-47 cm)15–19 in (38-48 cm)
Recline: Three lockable recline angles: 105°, 120°, 135°Angle Between Seat and Back 95° - 119°; Tilt Range of Back 24°
Arms: 6D All-Around Armrests (rotate, adjust, flip up)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: 3D Ultra-Wide HeadrestOptional headrest measures 9"W x 6" - 9"H
Lumbar support: 4D MicroFit Lumbar Support: 0.8" depth and 2" height adjustmentLumbar Support (Fixed) 7.5"; optional height adjustable lumbar (Exceeds 5.5" - 9.8"), 11.5" x 5.5"
Warranty: 3-Year Free WarrantyStructural components: 12 Years; Upholstery, textiles, leathers, finishes: 3 Years

Which is cheaper, the SIHOO B300 Pro or the Knoll Life Chair?

The SIHOO B300 Pro is cheaper to start: $329.99 versus $1,947 for the Knoll Life Chair at the brand stores (Oct 2026).

Which has a headrest?

Both: the SIHOO B300 Pro as standard and the Knoll Life Chair as an option.