The Polk Audio db1212 subwoofer is the mobile subwoofer enclosure of choice when vehicle space is at a premium. The Polk Audio db Series subwoofer speakers are all about belting out deep, precise, stomach-shaking bass. The db1212 subwoofer is big, bad and it will blow you away with its apocalyptic bass. When you unleash a db1212, everyone will know it. And the proof is in our technology. The db Series subwoofer speakers produce gutsy bass in sealed, ported and band pass enclosures. No matter how you like your bass, you get the tight, musical loud bass that db is known for.