D-Series 6"x9" 140W 4-Way Full-Range Coaxial Speaker System Power Rating: Peak: 140 Watts Per Pair RMS: 70 Watts Per Pair Frequency Response: 60 Hz - 20,000 Hz Sensitivity: 86 dB Mounting Depth: 2.75" Mounting Diameter: 8.46"x5.79" High-Strength ABS Injection Molded Frame with Integral Terminals 13mm PEI Dome & 20mm Silk Dome Tweeter Polypropylene Cone with Reinforced Stamped Pattern FEA Optimized High-Power Ferrite Motor Separate Optimized Crossover Module for Component System Klippel DA Optimized Motor & Suspension Symmetry Includes official LAB vinyl sticker (2.13" x 2.75")