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Mirka® AROS-B 325 Ø 77 mm max 12V Orbit 2.5 mm

Upgrade your sanding workflow with the AROS-B 325, Mirka’s cordless, 2.5 mm random orbital sander.  
Designed for maximum mobility, this lightweight, low-vibration tool is perfect for spot repairs, body-in-white sanding, and post-paint applications. Featuring a 77 mm (3”) backing pad, a brushless 12 VDC motor, and sealed protection against dust and water, the AROS-B 325 excels in both dry and wet sanding tasks. 
 
Compatible with the myMirka app and Mirka’s power tool batteries, this sander offers the convenience of ergonomic, uninterrupted cordless sanding. 
 
Key Features: 

  • Convenient cordless mobility​ 

  • Lightweight and ergonomic design 

  • Low-vibration sanding that prevents user fatigue 

  • Compatibility with Mirka’s complete solution ecosystem 

Battery and charger are not included.

Use for

Sanding

Technical details

Battery Voltage (VDC)
max 12V VDC
Dust System
Non vacuum
Max Speed (rpm)
7000 rpm
Min Speed (rpm)
4000 rpm
Noise Level, LpA (dB)
61.0 dB
Orbit
2.5 mm
Orbit Type
Random
Pad Diameter
77 mm
Pad Included
8294791211
Vibration Level (m/s²)
1.6 m/s²
Weight
0.88 kg
General Product Safety Regulation symbols

Downloads

PDF

Manual - Mirka® AOS-B and AROS-B

PDF

Exploded view - Mirka® AROS-B 325 & 350

PDF

Leaflet - Mirka® AROS-B 325 & 350

VIDEO

Video - Mirka® AROS-B 325 & 350

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