AndaSeat Phantom 4 vs SIHOO M57

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

AndaSeat

AndaSeat Phantom 4

$319

SIHOO

SIHOO M57

$319.99

2 years

longer warranty on AndaSeat Phantom 4 than SIHOO M57 (official terms)

Differences at a glance

AndaSeat Phantom 4SIHOO M57

Price: $319$319.99
Seat height: 17.3–21.2 in46–55 cm (≈ 18.1-21.7 in)
Seat depth: 22 in18.11 in (≈ 46 cm)
Load capacity: 220 lb330 lb (≈ 150 kg)
Recline: 90–135°Reclines up to 126°
Arms: 2D3D coordinated armrests (up and down, left and right, forward and backward)
Headrest: elastic-strap memory foam head pillowHeadrest adjusts vertically up to 3.9 inches and rotates 45 degrees
Lumbar support: dynamic auto-tracking, 15 positions, 0-3.7 inDual-adjustable lumbar support (vertical and horizontal)
Warranty: 5 year3 years

Which is cheaper, the AndaSeat Phantom 4 or the SIHOO M57?

The AndaSeat Phantom 4 is cheaper to start: $319 versus $319.99 for the SIHOO M57 at the brand stores (Oct 2026).

Which has a higher weight capacity?

The SIHOO M57, rated for 330 lb versus 220 lb for the AndaSeat Phantom 4.

Which has a headrest?

Both: the AndaSeat Phantom 4 as standard and the SIHOO M57 as standard.