
Mirka DEROS 550X
Score: 88/100
Festool ETS EC150
Score: 85/100Rankings

The Mirka DEROS 550X CV is a high-performance corded random orbital sander featuring a brushless motor and central vacuum readiness, designed for professional woodworkers. It delivers pneumatic-like power with low vibration and high efficiency, making it ideal for extended use on furniture, cabinets, and intricate detailing. The tool is best suited for users who prioritize dust-free performance and precision control.

The Festool ETS EC150/5 EQ-Plus is a 6-inch corded sander featuring a brushless motor and advanced vibration control for professional finish work. Its main limitation is the reliance on a corded power source and specific dust extraction systems. It is best suited for professional woodworkers needing precision in fine sanding and edge detailing.
| Attribute | ![]() | ![]() |
|---|---|---|
10,000 RPMbest | 10,000 RPMbest | |
120 Vbest | — | |
5 mmbest | 5 mmbest | |
2.9 A | 3.33 Abest | |
5 in | 6 inbest | |
| ↓ lower better | 3.2 m/s²best | — |
| ↓ lower better | 1.02 kgbest | 1.6 kg |
| ↓ lower better | 71 dBbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Sanding Performance(2) | ||
Orbit Diameter (mm) | 5 mm | 5.0 mm |
Pad Diameter (in) | 5 in | 6.0 in |
Ergonomics & Features(6) | ||
Dust Collection | Central Vacuum | Bag |
Vibration Level (m/s²) | 3.2 m/s² | Low m/s² |
Tool Weight (kg) | 1.02 kg | 1.6 kg |
Noise Level (dB) | 71 dB | dB |
Soft Start | true | false |
Pad Brake | false | true |
Power & Performance(2) | ||
Voltage (V) | 120 V | V |
Motor Amperage (A) | 2.9 A | 3.33 A |


Products in the top-left offer the best value (high score, low price).

Professional testers and editors describe the Mirka DEROS 550X CV as a 'game-changer' for electric random orbitals. They praise its brushless motor for delivering pneumatic-like power and constant speed under load, while highlighting its low vibration and lightweight design as key factors for reducing fatigue during all-day use.
Everyday users and customers commonly praise the tool's lightweight feel, smooth operation, and impressive power for heavy loads. Many users compare it favorably to pneumatic sanders, particularly noting the comfort gained during long sessions when using Mirka dust extractors.

Professional reviewers highlight its ergonomic excellence and vibration control, positioning it as an efficient tool for professional fine sanding.
Search results lack direct consumer reviews, but product descriptions reflect positive reception through emphasis on fatigue reduction.
