It has a front-firing woofer port and a single 3" wide-flare port to allow for proper air flow. The unit includes a flush-mounted 300-watt BASH digital amplifier compared to the 325-watt fully featured amp of the PB12-NSD.
The PB10-NSD features a computer designed seamless cabinet design with internal bracing for rigidity, a 1" front baffle, and removable floor mounts to keep the sub in place. It comes with a removable fabric grill with chrome mounting pins and is available in a charcoal black finish. The subwoofer has an MSRP of $449 and comes with a 3 year limited warranty.