Furthermore, the db351 sports what is considered a more sleek db-design grill, as well as flexible woven leads sewn directly into the Spider wires. In addition, the Audio db401 utilizes a pole plate heat sink to promote higher quality dissipation, thereby allowing an increased power handling of 135w. Cited as having superior looks and even better sound, the Polk Audio db401 is considered a high-quality car-audio purchase at an affordable price.