SIHOO Doro S300 vs HBADA E3 Ultra

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

SIHOO

SIHOO Doro S300

$999.99

HBADA

HBADA E3 Ultra

$809

2 years

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

Differences at a glance

SIHOO Doro S300HBADA E3 Ultra

Price: $999.99$809
Seat depth: 40 – 47 cm (15.75 – 18.50 in)1.97" seat-depth adjustment (HBADA does not publish the seat-depth range)
Load capacity: 330 lb (≈ 150 kg)330 lb
Recline: Recline Angles: 100°, 110°, 130°Reclines up to 140° with multiple locking positions
Arms: 6D coordinated armrests (up and down, left and right, front and back, inward and outward, with tilt-lock of armrests, and synchronized recline)720° Omni-Mechanical Armrests: 360° pad rotation and body swivel
Headrest: Soft, integrated headrest; upper backrest adjusts in 5 levels4D Biaxial Adjustable Headrest: frame rotation 70°, tilt and rotation 70°, up/down 1.8", forward/backward 2.2"
Lumbar support: Dual dynamic lumbar support; angle 90°-105° fine-tuned with the gas lift3-Zone Elastic Lumbar Support: wings rotate 40°, 14° dynamic support, 1" front/back, 1.6" up/down
Warranty: 3 years5 years

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

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