HBADA E3 Ultra vs SIHOO Doro S300

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

HBADA

HBADA E3 Ultra

$809

SIHOO

SIHOO Doro S300

$999.99

2 years

longer warranty on HBADA E3 Ultra than SIHOO Doro S300 (official terms)

Differences at a glance

HBADA E3 UltraSIHOO Doro S300

Price: $809$999.99
Seat depth: 1.97" seat-depth adjustment (HBADA does not publish the seat-depth range)40 – 47 cm (15.75 – 18.50 in)
Load capacity: 330 lb330 lb (≈ 150 kg)
Recline: Reclines up to 140° with multiple locking positionsRecline Angles: 100°, 110°, 130°
Arms: 720° Omni-Mechanical Armrests: 360° pad rotation and body swivel6D coordinated armrests (up and down, left and right, front and back, inward and outward, with tilt-lock of armrests, and synchronized recline)
Headrest: 4D Biaxial Adjustable Headrest: frame rotation 70°, tilt and rotation 70°, up/down 1.8", forward/backward 2.2"Soft, integrated headrest; upper backrest adjusts in 5 levels
Lumbar support: 3-Zone Elastic Lumbar Support: wings rotate 40°, 14° dynamic support, 1" front/back, 1.6" up/downDual dynamic lumbar support; angle 90°-105° fine-tuned with the gas lift
Warranty: 5 years3 years

Which is cheaper, the HBADA E3 Ultra or the SIHOO Doro S300?

The HBADA E3 Ultra is cheaper to start: $809 versus $999.99 for the SIHOO Doro S300 at the brand stores (Oct 2026).

Which has a headrest?

Both: the HBADA E3 Ultra as standard and the SIHOO Doro S300 as standard.