Overview Dayton Audio's rugged DCS165-4 6-1/2' subwoofer has all of the performance-enhancing attributes you would expect from a larger high-output subwoofer. With a vented pole piece and 4 ohm, 4-layer voice coil, this driver can handle up 100 watt RMS. The non-pressed paper cone is reinforced with Kevlar to increase stiffness, which promotes linear travel through the limits of its excursion. In addition, the pole piece includes a copper cap that keeps inductance to a minimum. The DCS165-4 driver is ideal for use in small multimedia speakers, portable speakers, or even automotive systems where space is at a minimum.