Dowinx Retro Series 6689 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.
2 years
longer warranty on SIHOO B300 Pro than Dowinx Retro Series 6689 Gaming Chair (official terms)
Differences at a glance
Sources
- Dowinx Retro Series 6689-Black – DOWINX GAMING CHAIR (official store) ↗Checked Sep 29, 2026
- Sihoo B300 Pro Ergonomic Office Chair | 4D Lumbar Support – Official US Sihoo Store ↗Checked Oct 9, 2026
Dowinx Retro Series 6689 Gaming ChairSIHOO B300 Pro
- Price
- $249.99$329.99 – $379.99
- Load capacity
- Up to 350 lbs330 lb (≈ 150 kg)
- Recline
- 90°-165° recliningThree lockable recline angles: 105°, 120°, 135°
- Arms
- Linkage armrest6D All-Around Armrests (rotate, adjust, flip up)
- Headrest
- Head pillow3D Ultra-Wide Headrest
- Lumbar support
- Massage lumbar pillow with USB port4D MicroFit Lumbar Support: 0.8" depth and 2" height adjustment
- Warranty
- One-month replacement services and 1 year parts quality warranty3-Year Free Warranty
Questions
Which is cheaper, the Dowinx Retro Series 6689 Gaming Chair or the SIHOO B300 Pro?
The Dowinx Retro Series 6689 Gaming Chair is cheaper to start: $249.99 versus $329.99 for the SIHOO B300 Pro at the brand stores (Sep 2026).
Which has a headrest?
Both: the Dowinx Retro Series 6689 Gaming Chair as standard and the SIHOO B300 Pro as standard.
Dowinx Retro Series 6689 Gaming Chair: specs, reviews, where to buy →SIHOO B300 Pro: specs, reviews, where to buy →






