Product Description PA-15H 15" Woofer 2"KSV Voice Coil, 50 Oz Magnet, Cloth surround paper cone(high quality) PA-18H 18" Woofer 3"KSV Voice Coil, 65 Oz Magnet, Cloth surround paper cone(high quality) PA Woofer Peaker has been presented above, want more similar products, please click PA WOOFERS, PA LOUDSPEAKER, 18 woofers.