AndaSeat Phantom 4 vs SIHOO M56C
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
$134.01
lower starting price for SIHOO M56C than AndaSeat Phantom 4 at the brand stores
Differences at a glance
Sources
- AndaSeat Phantom 4 specification sheet (official product page image) ↗Checked Oct 17, 2026
- Sihoo M56C Ergonomic Office Chair - Full Back Support with Cotton Seat Cushion – Official US Sihoo Store ↗Checked Oct 13, 2026
- AndaSeat Phantom 4 Series product page ↗Checked Oct 17, 2026
AndaSeat Phantom 4SIHOO M56C
- Price
- $319$184.99
- Seat depth
- 22 in17.1 in (≈ 43.4 cm)
- Load capacity
- 220 lb300 lb (≈ 136 kg)
- Recline
- 90–135°Maximum tilt angle of 125° (reclining lock with 1 position)
- Arms
- 2DArmrests adjustable up and down
- Headrest
- elastic-strap memory foam head pillowHeadrest moves up and down and tilts
- Lumbar support
- dynamic auto-tracking, 15 positions, 0-3.7 inUltra-wide dynamic lumbar support: a flexible elastic plate that moves with the backrest (no manual adjustment listed)
- Warranty
- 5 year3 years
Questions
Which is cheaper, the AndaSeat Phantom 4 or the SIHOO M56C?
The SIHOO M56C is cheaper to start: $184.99 versus $319 for the AndaSeat Phantom 4 at the brand stores (Oct 2026).
Which has a higher weight capacity?
The SIHOO M56C, rated for 300 lb versus 220 lb for the AndaSeat Phantom 4.
Which has a headrest?
Both: the AndaSeat Phantom 4 as standard and the SIHOO M56C as standard.






