The Silver Ticket 6.5" 80-Watt 2-Way In-Ceiling Speaker is a versatile speaker meant for anything from simple stereo applications to whole-home audio and theater systems. Suitable for 5.1, 6.1, and 7.1 home systems. The woofer cone is injection-mold mica polypropylene to ensure high-quality, long-lasting sound that will bring movie action and music vocals to life. The high-grade rubber edge allows for true audio accuracy and quality that will last. The 20mm silk dome tweeter pivots for micro-tuning of the sound placement. Included above and beyond competitors is the extra heavy weight, high-strength magnet with its field of energy perfectly tuned with the voice coil - it's all about true efficiency.