RESPAWN FLEXX vs SIHOO M56C
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
$214.01
lower starting price for SIHOO M56C than RESPAWN FLEXX at the brand stores
Differences at a glance
Sources
- RESPAWN product page — specifications ↗Checked Oct 17, 2026
- Sihoo M56C Ergonomic Office Chair - Full Back Support with Cotton Seat Cushion – Official US Sihoo Store ↗Checked Oct 13, 2026
RESPAWN FLEXXSIHOO M56C
- Price
- $399$184.99
- Seat depth
- 18.9–20.5 in17.1 in (≈ 43.4 cm)
- Load capacity
- 300 lb300 lb (≈ 136 kg)
- Headrest
- height-adjustable, pivoting, paddedHeadrest moves up and down and tilts
- Lumbar support
- padded, adjustableUltra-wide dynamic lumbar support: a flexible elastic plate that moves with the backrest (no manual adjustment listed)
Questions
Which is cheaper, the RESPAWN FLEXX or the SIHOO M56C?
The SIHOO M56C is cheaper to start: $184.99 versus $399 for the RESPAWN FLEXX at the brand stores (Oct 2026).
Which has a higher weight capacity?
Neither. Both are rated for 300 lb in their official specifications.
Which has a headrest?
Both: the RESPAWN FLEXX as standard and the SIHOO M56C as standard.







