AndaSeat Phantom 4 vs SIHOO M59AS

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 M59AS

$449.99

2 years

longer warranty on AndaSeat Phantom 4 than SIHOO M59AS (official terms)

Differences at a glance

AndaSeat Phantom 4SIHOO M59AS

Price: $319$449.99
Seat height: 17.3–21.2 in46.5–56.5 cm
Seat depth: 22 in17.13 in (≈ 43.5 cm)
Load capacity: 220 lb330 lb (≈ 150 kg)
Recline: 90–135°Recline up to 126°
Arms: 2D3D coordinated flip-up armrests (flip up and down, left and right, forward and backward)
Headrest: elastic-strap memory foam head pillowDouble-jointed headrest (height and angle)
Lumbar support: dynamic auto-tracking, 15 positions, 0-3.7 inDynamic lumbar support in a dual-section backrest
Warranty: 5 year3 years

Which is cheaper, the AndaSeat Phantom 4 or the SIHOO M59AS?

The AndaSeat Phantom 4 is cheaper to start: $319 versus $449.99 for the SIHOO M59AS at the brand stores (Oct 2026).

Which has a higher weight capacity?

The SIHOO M59AS, 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 M59AS as standard.