MODEL
BK-52D/BK-56D/BK-57D
Polar pattern
Cardioid(Unidrectional)
Frequency Response
30-13KHZ/50-15KHZ/48-18KHZ
Sensitivity
-55bBV/Pa*(1.8mv)/-56bBV/Pa*(1.6mv)/-48bBV/Pa*(4.0mv)
Output impedance
300Ω/200Ω/600Ω
Item name
electric tricycle for delivery milk