Using the same design principles of our premium architectural and box speaker lines, the all new Klipsch Custom series delivers true Klipsch sound to any budget. The CS-18C features a 8 1D Polymer woofer and a 1 1D Polymer tweeter. Utilizing the Klipsch Patented Skyhook® Tool-Free Installation System by Swarm technology, your install time is reduced by 75%. Features: 8 1D Polymer woofer 1 1D Polymer tweeter Patented Skyhook® Tool-Free Installation System Bezel-Free Magnetic Grille Technische Daten: Frequency Range 63Hz - 20kHz +/- 3dB High Frequency Driver 1" (1.9cm) Polymer Dome Tweeter Low Frequency Driver 8" (20.32cm) Polymer Woofer Sensitivity 92 dB @ 2.83V / 1m Power Handling 40W RMS / 160W PEAK Impedance 8 Ohm Compatible Enclosure Type ABS/Infinite Baffle Finish Black Baffle/Frame, White Paintable Grille Product Dimensions 10.75 1D W x 10.75 1D H x 4.5 1D D (27.3cm H x 27.3cm W x 11.5cm D) Mounting Depth 4.45 1D (11.3cm) Cutout Dimensions 9.8 1D (24.9cm) Product Weight 7.4 lbs (3.36kg) Included Flat Magnetic Grille Installation Kit IK-800-C II (Sold Separately) Fire Rated Enclosure ME-800-C (Sold Separately) Built From 2017