The frameless design with grill that magnetically attaches to loudspeaker and only protrudes 3mm from the ceiling. The grill can be painted with ceiling paint to create a virtually invisible look to these high performance spot speakers. Featuring a Kevlar woven woofer cone, the strength of Kevlar helps the cone retain its shape at very high energy levels and its low mass assures a quick & accurate response. The cone’s woven surface delivers smooth, uncolored mids. The high quality rubber surround ensure that these woofers will provide years of consistent, reliable performance.