Artison ARCHT-8 Architectural 8 Inch 2 Way Stereo In-Ceiling (Pair) 8-inch Frameless Kevlar® Speaker (1 pair). Can be used in in-ceiling or in-wall applications. All Artison Architectural Speaker models feature an ultra-slim, magnetic micro-frame round grill and optional square grill, for a low-profile design that blends seamlessly into any décor. The grills are available in white, and are paintable for those looking for the ultimate in discreet installations. The ARCHT-8 model offers homeowners the refined, musical quality of Artison speakers for every room of their home. Features 1-inch Teteron® Tweeter Diaphragm with Low Resonance and Internal Damping Pivoting Tweeter Mount Design for Optimizing Sound-staging 8-inch Long Throw Woven Fiber Woofer with Low Distortion Cone Material Reliable Installation with Proven Dog Clamp Design Advanced Crossover Design and High-Quality Components Metal Perforated Magnetic Flush, Paintable Grilles Square Grille Option Adjustable EQ for Tweeter and Woofer Anti-Diffraction Ring Specifications Performance Frequency response 40Hz - 20kHz +/- 3dBPower handling 60 watts nominal 120 max.Sensitivity 89dB @ 2.83V / 1 meterImpedance 8 Ohm Nominal Dimensions Overall dimension: 9-7/8 inch diameter (250 mm)Cut-Out dimension: 8-5/8 inch diameter x 4 inch deep (219 mm x 102 mm)