HBADA E3 Ultra vs SIHOO Doro C300 Ultra V2
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
2 years
longer warranty on HBADA E3 Ultra than SIHOO Doro C300 Ultra V2 (official terms)
Differences at a glance
Sources
- HBADA E3 Ultra Ergonomic Office Chair – HBADA UK official store ↗Checked Oct 11, 2026
- Sihoo Doro C300 Ultra V2 | Ergonomic Office Chair – Official US Sihoo Store ↗Checked Oct 13, 2026
- HBADA E3 Ultra Ergonomic Office Chair – HBADA US official store ↗Checked Oct 11, 2026
- HBADA E3 Ultra Ergonomic Office Chair – HBADA EU official store ↗Checked Oct 11, 2026
HBADA E3 UltraSIHOO Doro C300 Ultra V2
- Price
- $809$679.99 – $689.99
- Seat depth
- 1.97" seat-depth adjustment (HBADA does not publish the seat-depth range)16.9–18.5 in (≈ 43-47 cm)
- Load capacity
- 330 lb330 lb (≈ 150 kg)
- Recline
- Reclines up to 140° with multiple locking positionsRecline Angles 105°, 120°, 135°
- Arms
- 720° Omni-Mechanical Armrests: 360° pad rotation and body swivel8D Bionic Armrests (up, down, forward, back, rotate, or tilt)
- Headrest
- 4D Biaxial Adjustable Headrest: frame rotation 70°, tilt and rotation 70°, up/down 1.8", forward/backward 2.2"Ultra-wide 3D headrest, adjusts in three directions
- Lumbar support
- 3-Zone Elastic Lumbar Support: wings rotate 40°, 14° dynamic support, 1" front/back, 1.6" up/downDomino™ Sacral-Lumbar Support 2.0: moves up or down, 3 support levels
- Warranty
- 5 years3 years (covers manufacturing defects)
Questions
Which is cheaper, the HBADA E3 Ultra or the SIHOO Doro C300 Ultra V2?
The SIHOO Doro C300 Ultra V2 is cheaper to start: $679.99 versus $809 for the HBADA E3 Ultra at the brand stores (Oct 2026).
Which has a headrest?
Both: the HBADA E3 Ultra as standard and the SIHOO Doro C300 Ultra V2 as standard.
HBADA E3 Ultra: specs, reviews, where to buy →SIHOO Doro C300 Ultra V2: specs, reviews, where to buy →





