The three-way MPX 690.3 car audio coaxial, optimized for rear deck mount, features a 28 mm Tetolon tweeter with Neodymium magnet and faceplate profile maximizing the off-axis dispersion. A super tweeter strengthens the emission of very high frequencies and the basket radial venting system ensures low operating temperatures. The sound has impressive impact and ensures perfect control, also with extensive high dynamic listening.
Power Handling - Peak W 260 Power Handling - Continuous W 130 Impedance Ω 4 Frequency response Hz 30 ÷ 24k Sensitivity dB SPL 94 Woofer size mm (in.) 6 x 9 Tweeter size mm (in.) 35 (1.4) Supertweeter size mm (in.) 29 (1.14) Woofer Voice Coil Ø mm (in.) 38 (1.5) Tweeter voice coil Ø mm (in.) 28 (1.1) Woofer magnet High density flux ferrite Tweeter magnet Neodymium Woofer cone Pressed-pulp cone with cotton fibers Tweeter dome Tetolon Supertweeter dome Tetolon - See more at: http://www.hertzaudiovideo.com/car-audio-coaxials-mille-pro-mpx690-3/#sthash.zc9nh7nN.dpuf