Polk Audio® 8" db Series 360W 4 Ohm SVC Subwoofer (DB840)
Universal 8" db Series 360W 4 Ohm SVC Subwoofer by Polk Audio®. It's all here. All the Polk goodness and technology that makes their subwoofers a kickin' addition to any vehicle's audio system, as only Polk can deliver.
"Dished" polypropylene cone supported by a vented cone/coil coupler stiffens the cone for greater mechanical stability and lower distortion.Marine Certified Polk db Series speakers are built tough to withstand the toughest environments so they are perfect for use in boats of all types. That's why Correct Craft offers Polk speakers in their award-winning Nautiques ski and wakeboarding boats.