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  3. RCW 4 vs A9 Pro

Kärcher RCW 4 vs Lazurec A9 Pro

What RCW 4 does better (3) and where A9 Pro wins (0) — every spec side by side.

Kärcher RCW 4
Kärcher · 2026RCW 4
8.0Score
3 advantages≈ US$230
Higher score
vs
Lazurec A9 Pro
Lazurec · 2025A9 Pro
3.7Score
0 advantages≈ US$270
6.5Cleaning power2.1
8.8Mopping3.2
6.6Battery6.6

Why is RCW 4 better than A9 Pro?

  1. Suction power5,000 Pa vs 2,500 Pa2×
  2. Water tank (robot)150 ml vs 60 ml2.5×
  3. Noise level62 dB vs 70 dB+13%

Why is A9 Pro better than RCW 4?

A9 Pro has no measurable advantages in this pair.

Specifications

Side by side

Kärcher RCW 4Kärcher RCW 4≈ US$2308.0
Lazurec A9 ProLazurec A9 Pro≈ US$2703.7
Suction & cleaning
Suction power5,000 Pa2,500 Pa
Noise level62 dB70 dB
Mopping
Water tank (robot)150 ml60 ml
Size & weight
Width / diameter264 mm—
Length256 mm—
Weight1.5 kg1.4 kg
ColoursWhite, Black, YellowWhite
App & smart home
Remote controlYesYes
Window cleaning
Water sprayYesYes
Backup battery (power cut)YesYes
Safety ropeYesYes
To compare: 0up to 4 models
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