Pioneer TS-W308D2 - subwoofer driver

Key Features and Benefits: Interlaced basalt/carbon fiber reinforced IMPP cone To ensure that you get more natural bass, Pioneer has incorporated out basalt fiber technology into Pioneer's shallow subwoofers. The volcanic-rock fibers create a cone that is lightweight, rigid, well damped, stable in temperature extremes, and more environmentally friendly. In short, this bass really rocks. 3-layer radial surround A sub's surround plays a key role in its overall performance. In order for bass response to be clear and tight, the surround has to respond evenly around its entire circumference without flexing or puckering, even at high volume levels. That's why Pioneer created a surround consisting of two layers of urethane, with a layer of interwoven fiber between them. It's strong, stable, and it reduces distortion. Dual mass magnet with magnet cover It's simple, really. To accurately drive and control its voice coil, a speaker needs a magnet and a pole yoke, to create magnetic force. The bigger or denser the magnet, the greater the magnetic force. The greater the magnetic force, the greater the power and control that's exerted over the voice coil. To make this happen in a big way, Pioneer uses a dual mass magnet assembly to significantly increase the magnetic force. So, you get bigger and more accurate music. Spring-compression binding posts Why does Pioneer use spring-compression binding posts, instead of standard speaker wire terminals? So your speaker wire never shakes loose due to vibration. When you insert the wire, the connector keeps a constant pressure on it. And it won't let go. These binding posts will accept wire as large as 8-gauge. Dual voice coil TS-W308D2 provides two voice coils, each either at dual 2 ohms. So you can use a low-impedance amp to produce much bigger, much more powerful bass. More options, more power: that's what DVC is all about.