Description: Crunch 4 Inch 2 way 200 watt speaker utilizing Neo Mylar Soft Dome Tweeters and Silver Alpha-Cellulose Poly Cones. Features: TWEETER DOME MATERIAL: Neo-Mylar Soft Dome Tweeter Impact Resistant Tweeter Elements SURROUND: UV Resistant Rubber Surround Moisture Resistant Rubber Surround with high Mid-Bass Impact CONE: Silver Alpha-Cellulose Poly Cones Produces musical midrange and bass tones while remaining light weight SURROUND / CONE COUPLING: High Temperature Adhesive The cone/surround connection utilizes a high temp adhesive which assure the cone and surround do not separate in high power uses or extremes of weather GASKET: Textured ABS Assures a ridged linear seal to the mounting surface 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: Over-Coil 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 CROSSOVER SPECIAL: 6dB Internal Integrated into the design to assure smooth midrange to tweeter frequency transitions FRAME: 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: Use spade connectors or solder direct for the best connection GRILLS: No. These speakers are typically installed behind an OEM panel TWEETER MATERIAL: Neo-Mylar Soft Dome Great sound quality and increased reliability TWEETER SIZE: 1 inch Clear highs while handling plenty of power without sounding harsh TWEETER SURROUND MATERIAL: Kapton Lightweight and efficiently dissipates heat Specifications: RMS POWER HANDLING(CEA426B): 100 watts PEAK POWER HANDLING (CEA426B): 200 watts SPEAKER IMPEDANCE: 4Ω FREQUENCY RESPONSE +/- 10DB FREQUENCY RESPONSE +/- 3DB: 55 Hz - 19 kHz SENSITIVITY (1 WATT/1 METER): 88dB CROSSOVER POINT: 6K Hz CROSSOVER SLOPE: 12dB MOUNTING DIAMETER/CUT OUT: 3.69 OUTSIDE DIAMETER: 5.39 MOUNTING DEPTH/CHASSIS DEPTH: 3 PRODUCT DIMENSIONS12.06 x 6.19 x 3.13 in30.6 x 15.7 x 7.95 cm PRODUCT WEIGHT: 2.2 lbs (1 kg)