KI Signia vs SIHOO M57

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 M57

$319.99

$610.01

lower starting price for SIHOO M57 than KI Signia at the brand stores

Differences at a glance

KI SigniaSIHOO M57

Price: $930 – $1,076$319.99
Seat height: 17.5–22 in (44.5–55.9 cm)46–55 cm (≈ 18.1-21.7 in)
Seat depth: 17–20 in (43.2–50.8 cm)18.11 in (≈ 46 cm)
Recline: Five-position back travel limiter provides up to 27 degrees of reclineReclines up to 126°
Arms: Armless, fixed reverse cantilever conference arms, 1D adjustable arms, or 4D adjustable arms3D coordinated armrests (up and down, left and right, forward and backward)
Lumbar support: Optional lumbar support with 2.5" of vertical adjustmentDual-adjustable lumbar support (vertical and horizontal)
Warranty: Lifetime3 years

Which is cheaper, the KI Signia or the SIHOO M57?

The SIHOO M57 is cheaper to start: $319.99 versus $930 for the KI Signia at the brand stores (Sep 2026).