Arc Audio X2 572 5x7” 2-Way Coaxial Speakers Full Range 5" x 7" OEM Fit Coaxial Speaker Design Sold In Pairs Only Designed And Engineered In The USA 2-Way Coaxial Design Reinforced Injected Poly Cone Material Design Specific Heavy-Duty Stamped Aluminum Basket Vented Basket Design for Improved Midbass, Overall Output And Elimination Of Rear Wave Distortion Ultra-Low Distortion Linear Suspension Design High-Temperature Copper / Kapton Voice Coil Former High-End Audiophile Grade Polypropylene Crossover Filter 15mm Silk Dome Tweeter Specifications - Speaker Size - 5" x 7" OEM Fit Speaker Type - 2-Way Coaxial Power Handling (Peak) - 90 Watts Power Handling (RMS) - 45 Watts Frequency Response - 70Hz - 20kHz Sensitivity - 89dB Impedance - 4 ohms Tweeter Diameter - 20mm Tweeter Dome Material - Wool Damped Silk Fiber | Arc Audio | | X2 572 5x7” 2-Way Coaxial | Black/Gray | Best Buy