RMS Power Handling (CEA426B): 60 Watts (Per Speaker) / 120 Watts (Per Pair). Maxx Power: 400 Watts (Per Speaker) / 800 Watts (Per Pair). Speaker Impedance: 4 ?. Frequency Response +/- 3dB: 55Hz-20kHz. Sensitivity (1 watt/1 meter): 88 db. Crossover Point: 2 khz. Crossover Slope: 12dB. Mounting Diameter/Cut Out: 5.59. Outside Diameter: 7.01. Mounting Depth/Chassis Depth: 2.12. Dimensions: 16.63 X 7.88 X 4.38 inches. Weight: 4.65 lbs. Features: Pair Hifonics ZS693 6x9" 800 Watt Car Audio Speakers. Tweeter Dome Material: Neo-Mylar Soft Dome Tweeter - Impact Resistant Tweeter Elements. Surround:Rubber - Moisture Resistant Rubber Surround with high Mid-Bass Impact. Cone:Alpha-Cellulose Cones - Light weight for speed and very rigid for deep bass. Surround / Cone Coupling:High Temperature Adhesive - Special adhesive is chosen to create a permanent bond between the cone and the surround. Tinsel Leads:Braided - Highly conductive while remain flexible during high power applications. Voice Coil:Pure Copper - Creates strong magnetic field with a very thin extrusion. Voice Coil Former:Kapton - Lightweight and efficiently dissipates heat. Spider:Epoxy infused Natural Fiber - Natural fiber allows flexibility while the epoxy which gives strength during the manufacturing process.. Cooling System: Overcoil - Air is exchanged over the voice coil through the spider. Crossover Type: Passive Butterworth - Smooth transition of frequencies from midrange/midbass to the tweeter element. Frame Type: Anti-Resonant Stamped Steel Basket - Very strong with minimal harmonics or distortions from flex or ringing. Motor: Ferrite Magnet - Creates a strong magnetic field while remaining small enough to fit nearly every application. Connectors: Spade - Use spade connectors or solder direct for the best connection. Grills: Yes - Protects the speaker from accidental damage. Not used if speaker is mounted behind vehicle panel. Tweeter Material: Neo-Mylar Soft Dome - Great sound quality