Sensitivity
High sensitivity
Charger voltage
9V for AC or 10V for DC
Working hours
40 hours continuously
Features-1
adopts the subwoofer motor and the bearings of high speed
Features-2
low noise as the transmission parts to reduce the danger of noise
Features-3
and interference
Features-4
prevent the dangerous of electromagnetic and radiation,
Features-5
this machine adopts the excellent shielding materials