1000W RMS Hemp-Fiber Cone T3 Chassis Various Installation Key Benefits Powerful subwoofers featuring pure and faithful sound reproduction with JVC-exclusive cone and spider technologies. The user-friendly units also offer neat and flexible setup for your car. ✹Pure Sound from Hemp-Fiber Cone and Dustcap Eco-friendly Hemp-Fiber reduces unwanted mid and high frequencies in subwoofers – like a natural low filter. Internal Loss is reduced within the speaker diaphragm for pure fidelity sound. ✹Easy Installation Rapid Fire Impedance Selector Terminal - Changes the voice coil impedance with one easy motion. Switch between Parallel, Series, or Bi-Amp configurations without any additional wiring. Terminals are also fused which prevents damage caused by current overloads. ✹Exclusive Cone and Spider - Repeated tests made for improving amplitude performance of cone and spider. (left) - The unit can faithfully reproduce transmitted signals (sound), and even process long-stroke signals that are often lost. Suspension Stiffness Kms (X) (00:12:25) -Xprol < X < Xprol Xp- < X < Xp+ Kms (-X) ✹Smart Trim Ring KLIPPEL 9 8 7 Kms [N/mm] 6 5 4 3 2 1 0 - The ring allows both forward and backward attachment, and together with the special screws, provides a neat installation. The vertical axis shows stroke signals, the horizontal axis shows stiffness...