Dowinx 66D7A Gaming Chair vs SIHOO B300 Pro
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
Nearly the same price
$309.99 vs $329.99 starting prices at the brand stores (Dowinx 66D7A Gaming Chair vs SIHOO B300 Pro)
Differences at a glance
Sources
- Dowinx 66D7A product page — Specifications (official store) ↗Checked Oct 17, 2026
- Sihoo B300 Pro Ergonomic Office Chair – Official US Sihoo Store ↗Checked Oct 16, 2026
Dowinx 66D7A Gaming ChairSIHOO B300 Pro
- Price
- $309.99$329.99 – $379.99
- Seat height
- 20.4–22.8 in46.8–55.3 cm
- Seat depth
- 22.8 in16.5–18.5 in (≈ 42-47 cm)
- Load capacity
- 308 lb330 lb (≈ 150 kg)
- Recline
- 160°Three lockable recline angles: 105°, 120°, 135°
- Arms
- 4D6D All-Around Armrests (rotate, adjust, flip up)
- Headrest
- adjustable magnetic memory foam headrest3D Ultra-Wide Headrest
- Lumbar support
- 4-way adjustable: 60 mm forward/back, 50 mm vertical, 5 deg tilt4D MicroFit Lumbar Support: 0.8" depth and 2" height adjustment
Questions
Which is cheaper, the Dowinx 66D7A Gaming Chair or the SIHOO B300 Pro?
The Dowinx 66D7A Gaming Chair is cheaper to start: $309.99 versus $329.99 for the SIHOO B300 Pro at the brand stores (Oct 2026).
Which has a higher weight capacity?
The SIHOO B300 Pro, rated for 330 lb versus 308 lb for the Dowinx 66D7A Gaming Chair.
Which has a headrest?
Both: the Dowinx 66D7A Gaming Chair as standard and the SIHOO B300 Pro as standard.
Dowinx 66D7A Gaming Chair: specs, reviews, where to buy →SIHOO B300 Pro: specs, reviews, where to buy →







