ไดร์เวอร์ ยี่ห้อ A.S. Power Tech รุ่น Fighter - 44A 

ELECTRO ACOUSTIC SPECIFICATIONS Throat Diameter 1//25 in/mm MAX Power 80 Watts RMS Power 40 Watts Impedance 8 Ohm Frequency Response 1k Hz-20k Hz Sensitivity(1W/1m) 100dB Voice Coil Diameter 1.75"/44mm Windling CCAW Magnet 22 Oz MOUNTING/SHIPPING INFORMATION Overall Diameter 4.5/115 in/mm Depth 2.4/60 in/mm Net Weight 1.7 kgs Shipping Weight(1pc) 1.8 kgs Shipping Box(1pc) 11.8x11.8x8.6cm