The W250 S 10 woofer from Visaton delivers amazing performance not normally found in drivers this size at this price point. A low Qts allows you to get very deep bass in a reasonably sized ported enclosure. Highlights * Very flat frequency response for easy system integration * Great for use as a HiFi woofer or as a subwoofer * Great sensitivity combined with low Fs and Qts for high performance Product Details Visaton W 250 S 10 HiFi Woofer 4 Ohm This woofer features a coated paper cone, durable rubber surround, and a bumped back plate to allow an excursion limit of ±7 mm. A balanced design approach between sensitivity, smooth frequency response (cross it over as high as 2,500 Hz), and extended bass allows this driver to be used as a high-output HiFi woofer in three-way speaker systems or as a subwoofer. The 4-ohm impedance allows this driver to be used in most car audio systems.