. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     Nominal Size(woofer) 5 1/4" (100mm) Mounting Cutout 4 5/8" (93mm) Mounting Depth 2 1/4" (46mm) Recommended Amplifier Power 20 - 250 watts Frequency Response( ฑ 3 dB, in-car) 65 - 20 kHz Nominal Impedance 4 ohms Sensitivity (1 watt / 1 meter) 90 dB   ABOUT US l PRODUCT l OUR DEALER l Q&A l NEWS l TIPS l PRESS RELEASE l TECHNOLOGY l HOME l CONTACT US . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . All contents c copyright 2003 Zonic Vision. All rights reserved.