TRF L SW158D2 subwoofer doppia bobina 2 ohm 1.600 watt

SPECIFICATION: MODEL:TRF LSW158D2 Size: 15 Cone: Competition  Grade Paper Surround material: Foam Voice coil: 3.0inch Voice coil layer: 4layer Nominal impedance:dual 2ohm Voice coil wire:Copper RMS Power: 800wrms MAX Watt:1600wmax Sensitivity: 88.7dB Resonance frequency(f0): 34.3Hz Mechanical Q factor(Qms): 5.81 Electrical Q factor:(Qes):0.72 Total Q factor:(Qts): 0.64 Xmax: 15mm Force factor: 19.7N/A Magnet Weight: 110 Oz   1=Outer Dimension:  393mm – 15.47″ 2=Mounting Depth: 185mm – 7.28″ 3=Magnet Dimension: 176mm – 6.90″ 4=Mounting Hole Dimension: 350mm-13.78″