Description: Autotek SM4CX STREET MACHINE 4 inch 2-way car audio speakers with Neo Mylar Soft Dome Tweeters and Alpha-Cellulose Poly Cones. Features & Benefits: Compatible Vehicle Fitment: Universal Tweeters: 1 inch: Clear highs while handling plenty of power without sound harsh. Cone Material: Alpha-Cellulose Poly Cones: Produces musical midrange and bass tones while remaining light weight. Surround / Cone Coupling: UV Resistant Rubber Surround: Moisture Resistant Rubber Surround with high Mid-Bass Impact. 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. Voice Coil / Former Assembly: Pure Copper: Creates strong magnetic field with a very thin extrusion. 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: Passive Butterworth: Smooth transition of frequencies from midrange/midbass to the tweeter element. 6dB Internal: Integrated into the design to assure smooth midrange to tweeter frequency transitions. Tweeter Hardware: Neo-Mylar Soft Dome Tweeter: Impact Resistant Tweeter Elements. Great sound quality and increased reliability. Kapton: Lightweight and efficiently dissipates heat. 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. Details & Specs: Type: Speaker Color: Black Warranty: 1 Year Compatible Vehicles: Universal Speaker RMS Power Handling (watts): 100 Speaker Peak Power Handling (watts): 200 Speaker Impedance (ohms): 4 Speaker Frequency Response: 60Hz-20kHz Speaker Sensitivity: 88dB Speaker Crossover Slope: 6kHz 12dB Speaker Mounting Diameter / Cut Out (in): 3.69 Speaker Outside Diameter (in): 5.39 Speaker Mounting Depth / Chassis Depth (in): 3.0 Speaker Size (in): 4 Proposition 65 Notice: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
