Noise Level [dBA] – push – lower is better
Nylon dust filter (5 V)
33,5
No obstacle (5 V)
33,6
Plastic dust filter (5 V)
34,5
No obstacle (7 V)
40,8
Nylon dust filter (7 V)
41,0
Plastic dust filter (7 V)
43,1
No obstacle (9 V)
46,4
Nylon dust filter (9 V)
47,6
Plastic dust filter (9 V)
50,5