DCX 165.3165 (6.5) mm (in.) | 72 (2.8) mm (in.) | Two Way Coaxial | 120 W | 4 Ohm To meet all installation needs, without giving up on Hertz quality and performance, Hertz DCX 165.3 car audio coaxial speaker is designed with maniacal care to provide a linear frequency response and ensure high reliability. A Neodymium magnet, PEI dome tweeter, built-in crossover, TPU (Thermoplastic polyurethane) surround and a pressed-paper cone provide the optimum ratio between installation friendliness and sound with dynamic and emotional impact. Component Two way coaxial Size mm (in.) 165 (6.5) Power Handling - Continuous W 60 Power Handling - Peak W 120 Impedance Ohm 4 Depth mm (in.) 72 (2.8) Woofer Voice Coil Ø mm (in.) 25 (1.0) Frequency Response Hz 60 ÷ 21k Woofer Magnet size D x d x h mm (in.) 80 x 40 x 15 (3.1 x 1.6 x 0.6) Weight of one speaker kg (lb.) 0,77 (1.69) Woofer Magnet High density flux ferri Tweeter Magnet Neodymium Cone Water-repellent pressed paper Dome PEI Technical Specs D mm 135 Re Ohm 3,3 Fs Hz 68 Vas I 14,3 Mms g 11,0 Cms mm/N 0,49 BL T*m 4,0 Qts 0,85 Qes 0,96 Qms 7,54 Spl dB 93 Electro-acoustic Specs Physical Specs A 165 mm (6.5 in.) B 144 mm (5.7 in.) C 72 mm (2.8 in.) D 64 mm (2.5 in.)