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- W9 vs RCW 4 Extra
Hutt W9 vs Kärcher RCW 4 Extra
What W9 does better (1) and where RCW 4 Extra wins (1) — every spec side by side.
vs
3.5Cleaning power5.5
8.8Mopping8.8
9.4Battery6.6
Why is W9 better than RCW 4 Extra?
- Noise level70 dB vs 77 dB+10%
Why is RCW 4 Extra better than W9?
- Suction power3,800 Pa vs 5,000 Pa+32%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 3,800 Pa | 5,000 Pa |
| Noise level | 70 dB | 77 dB |
| Navigation & obstacles | ||
| Navigation sensors | LiDAR laser (LDS) | — |
| Mopping | ||
| Water tank (robot) | 150 ml | 150 ml |
| Size & weight | ||
| Width / diameter | — | 264 mm |
| Length | — | 256 mm |
| Weight | 2.1 kg | 1.5 kg |
| Colours | White | White, Black, Yellow |
| App & smart home | ||
| Remote control | Yes | Yes |
| Window cleaning | ||
| Water spray | Yes | Yes |
| Backup battery (power cut) | Yes | Yes |
| Safety rope | Yes | Yes |
| Window area per session | 90 m² | — |
