The TS-W311S4 subwoofer by Pioneer is part of their Champion Series. This subwoofer can handle 1,40 watts of max power and 400 watts of RMS power. This line of subwoofers includes Pioneer’s IMPP composite cone which helps to limit distortion and make your music sound perfect with accurate, loud bass. This subwoofer is a single 4 ohm subwoofer perfect for easy wiring.

This subwoofer is ideal for sealed and ported/vented boxes and enclosures. This subwoofer has a 5.9″ mounting depth and 11-1″ cut-out diameter. The recommended enclosure for this subwoofer would be 1.25 cubic feet for sealed enclosures and 1.5 cubic feet for ported enclosures.

Improved stiffness of the basket provides for less sound leaks creating more clear and powerful bass. The re-designed spider assembly allows the subwoofer to produce more accurate and rich bass. The spider is now assembled onto the spider holder rather than directly on to the basket.