SIHOO M18 vs Anthros Chair

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

SIHOO

SIHOO M18

$289.99 – $299.99

Anthros

Anthros Chair

From $1,949

$1,659.01

lower starting price for SIHOO M18 than Anthros Chair at the brand stores

Differences at a glance

SIHOO M18Anthros Chair

Price: $289.99 – $299.99From $1,949
Seat height: 44–54 cm17.1–20.7 in (5-spoke swivel base); 17.9–21.1 in (4-spoke fixed base)
Seat depth: 17.91 in (≈ 45.5 cm)15.2–18.3 in (38.7–46.6 cm (official cm))
Load capacity: 330 lb (≈ 150 kg)300 lb (136 kg)
Recline: Maximum 126° recline angleDecompress Mode tilt: 0°–16°; five tilt options – three locked positions (Active −2°, Standard 1°, Decompress 5°) and two unlocked (Free-Float, Full Decompress to 16°)
Arms: Adjustable armrests (Up and down)4D Arms (option) or No Arms; the arms adjust in height, width, depth and angle; Arm height 7.7–11.8 in; arm width (outside) 24.75–27 in
Headrest: Headrest moves 3.9" up and down and pivots 45°No headrest / head support
Lumbar support: Lumbar support adjusts vertically and horizontallyPrecision Posture System: independently adjustable Upper Back + Lower Back Pelvis Support (no conventional lumbar pad)
Warranty: 3 years12-year limited warranty (components and workmanship, from date of purchase; original purchaser; non-transferable)

From 5 SIHOO M18 and 16 Anthros Chair user reviews, most mentioned first. Green is liked, orange is a caution.

Which is cheaper, the SIHOO M18 or the Anthros Chair?

The SIHOO M18 is cheaper to start: $289.99 versus $1,949 for the Anthros Chair at the brand stores (Oct 2026).

Which has a higher weight capacity?

The SIHOO M18, rated for 330 lb versus 300 lb for the Anthros Chair.

Which has a headrest?

Only the SIHOO M18 (as standard); the Anthros Chair does not offer one.

What do owners mention most?

Price and value for the SIHOO M18, and price and value for the Anthros Chair, based on review summaries.