X-Chair X2 vs SIHOO B100 Pro

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

X-Chair

X-Chair X2

$879

SIHOO

SIHOO B100 Pro

$259.99 – $299.99

$619.01

lower starting price for SIHOO B100 Pro than X-Chair X2 at the brand stores

Differences at a glance

X-Chair X2SIHOO B100 Pro

Price: $879$259.99 – $299.99
Load capacity: 275 lb (125 kg)330 lb (≈ 150 kg)
Recline: SciFloat Infinite Recline + Tilt Lock and Tension allows you to recline and lock into position or increase tension in your recline motion for more fluid movement.3-position recline up to 135°
Arms: 4-Dimensional armrests come standard (up, down, side-to-side, front-to-back); option to upgrade to FS 360 rotational armrests; Armrest Height 6.75in - 9.5inEnlarged 4D flip-up armrests
Headrest: Optional add-on (standard configuration: No headrest; Headrest +$90)Wide 3D adjustable headrest
Lumbar support: Dynamic Variable Lumbar (DVL)® Support; height adjustable backrest raises the DVL®Responsive lower-back support
Warranty: 5 years (all parts and materials); 15 years (non-moving metal components, chair frame)3 years

Which is cheaper, the X-Chair X2 or the SIHOO B100 Pro?

The SIHOO B100 Pro is cheaper to start: $259.99 versus $879 for the X-Chair X2 at the brand stores (Sep 2026).

Which has a higher weight capacity?

The SIHOO B100 Pro, rated for 330 lb versus 275 lb for the X-Chair X2.

Which has a headrest?

Both: the X-Chair X2 as an option and the SIHOO B100 Pro as standard.