Built to withstand the toughest marine environments--including always-wet ski and wakeboarding boats--Polk Audio's DB 104 DVC subwoofer offers topnotch low-frequency performance and durability at a wallet-pleasing price. The sub is outfitted with a 10-inch polypropylene cone woofer that delivers enough rim-rattling bass to make any song sound rich and deep. The woofer is further supported by a rigid ABS dustcap that stiffens the cone, thus ensuring greater mechanical stability and lower distortion. Add in the dual four-layer Kapton voice coil formers, the cone/coil coupler, and the pole piece--all of which are double vented to withstand high power handling--and you have a powerful, full-bodied sub that satisfies everyone from casual listeners to serious audiophiles.
The sub's frequency response checks it at a healthy 28 Hz to 200 Hz, with a peak power handling of 540 watts (270 watts continuous). In addition, the DB 104 DVC's voice coil alignment, motor, and suspension were optimized using a state-of-the-art Klippel laser analyzer, resulting in superior cone linearity, a flatter response, and minimal distortion. Additional features include a Santoprene surround that stands up to the harshest automotive environments--including temperature, humidity, and sunlight extremes--and fire-retardant flat Nomex spiders that are thermally stable while providing extended linear motion.
Though the marine certification makes the sub a particularly good choice for seafaring listeners, it also fits comfortably in cars, trucks, and other vehicles. The DB 104 DVC requires a mounting cutout diameter of 9.06 inches and is backed by a three-year warranty on parts and labor.
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