4' x 6' 2-way Coaxial Speakers CONE: Made From Polyurethane, The CH4620 4 x 6 Inch Car Speakers Provide a Resilient And Durable Material That Can Offer Great Sound With The Advantage Of Long Lasting Speakers VOICE COIL: Our Voice Coils Are Able To Withstand High Temperatures Yet Maintain Its Strength And Fatigue Properties Giving Them The Advantage Of Longer Play Times With Lower Weights SURROUND: We Use Rubber In A Lot Of Our Speakers. It Has The Ability To Endure Much Punishment Without Any Sign Of Damage. It Compliments The Whole Structure Of The Speaker By Allowing Constant Abuse Where It Is Most Needed, Without The Wear And Tear TWEETER: A Piezoelectric Tweeter Is More Resistant To Overloads And Can Be Used Without A Crossover Due To Its' Electrical Property. Power Handling: Peak: 400 watts total / 100 watts per speaker RMS: 200 watts total / 50 watts per speaker Red Metallic Poly-injection Cone 1' High-temperature Aluminum Voice Coil 20 oz Magnet Structure 1' Polymide Dome Tweeter