SIHOO B300 Pro vs Duorest Alpha
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
Differences at a glance
Sources
- Sihoo B300 Pro Ergonomic Office Chair | 4D Lumbar Support – Official US Sihoo Store ↗Checked Oct 9, 2026
- DUOREST ALPHA (official product page) ↗Checked Sep 29, 2026
- Duorest Alpha Brochure (PDF) ↗Checked Sep 29, 2026
- DUOREST Warranty (official) ↗Checked Sep 29, 2026
- Duoback Official Store (Korea) (price) ↗Checked Sep 29, 2026
SIHOO B300 ProDuorest Alpha
- Price
- $329.99 – $379.99₩413,000 – ₩520,000
- Load capacity
- 330 lb (≈ 150 kg)Standard 300 lbs. weight capacity
- Recline
- Three lockable recline angles: 105°, 120°, 135°Back reclines 18° from upright position; 3:1 back to seat synchronous movement with 3 position backlock
- Arms
- 6D All-Around Armrests (rotate, adjust, flip up)3D arms: height adjustment range 72mm (2.8”), front-to-back adjustment range 40mm (1.6”), pivoting arm caps 17º inward and 17º outward
- Headrest
- 3D Ultra-Wide HeadrestOptional Headrest accessory adjusts 49mm (1.9”) vertically; pivoting range 63º
- Warranty
- 3-Year Free Warranty3 Year Body Frame; 1 Year Mechanism, Cylinder, Form, Casters; 1 Year Flexible Rubber Connector, Seat Pan Materials
Questions
Which has a headrest?
Both: the SIHOO B300 Pro as standard and the Duorest Alpha as an option.
