Home / PD2160 PD2160 Spesifikasi Detail: Inch : 21” Magnet ferrite (double magnet size: lebar 33cm x tebal 2,5cm x 2) Impedance : 8 ohm Diameter coil : 6 inch Sensitivity : 103 db Power RMS : 2600 watt Rated freq : 32-1,3 khz