KI Signia vs SIHOO Doro C300 Pro V2

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

KI Signia

$930 – $1,076

SIHOO

SIHOO Doro C300 Pro V2

$499.99 – $549.99

$430.01

lower starting price for SIHOO Doro C300 Pro V2 than KI Signia at the brand stores

Differences at a glance

KI SigniaSIHOO Doro C300 Pro V2

Price: $930 – $1,076$499.99 – $549.99
Seat height: 17.5–22 in (44.5–55.9 cm)17.5–20.9 in
Seat depth: 17–20 in (43.2–50.8 cm)Seat Depth 16.9" - 18.5"
Recline: Five-position back travel limiter provides up to 27 degrees of reclineRecline Angles 105°, 120°, 135°
Arms: Armless, fixed reverse cantilever conference arms, 1D adjustable arms, or 4D adjustable arms8D Bionic Armrests (up, down, forward, back, rotate, or tilt)
Lumbar support: Optional lumbar support with 2.5" of vertical adjustmentDomino™ Sacral-Lumbar Support 2.0: moves up or down, 3 support levels
Warranty: Lifetime3 years (covers manufacturing defects)

Which is cheaper, the KI Signia or the SIHOO Doro C300 Pro V2?

The SIHOO Doro C300 Pro V2 is cheaper to start: $499.99 versus $930 for the KI Signia at the brand stores (Sep 2026).