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- 2S vs RCW 4 Extra+
Hobot 2S vs Kärcher RCW 4 Extra+
What 2S does better (0) and where RCW 4 Extra+ wins (1) — every spec side by side.
vs
4.0Battery6.6
Why is 2S better than RCW 4 Extra+?
2S has no measurable advantages in this pair.
Why is RCW 4 Extra+ better than 2S?
- Noise level65 dB vs 62 dB+5%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | — | 5,000 Pa |
| Noise level | 65 dB | 62 dB |
| Navigation & obstacles | ||
| Navigation sensors | Ultrasonic sensor | — |
| Mopping | ||
| Water tank (robot) | — | 150 ml |
| Size & weight | ||
| Width / diameter | 240 mm | 264 mm |
| Length | 240 mm | 256 mm |
| Weight | 1.3 kg | 1.5 kg |
| Colours | White | White, Black, Yellow |
| App & smart home | ||
| App control | Yes | — |
| Remote control | Yes | Yes |
| Window cleaning | ||
| Water spray | — | Yes |
| Backup battery (power cut) | Yes | Yes |
| Safety rope | Yes | Yes |
| Window area per session | 50 m² | — |
