FeaturesComposite polypropylene cone wooferFoam rubber surroundSilk soft-dome tweeterProgressive height rate spiderDynamic Air DiffuserEasy installationEnvironment in mindComposite Polypropylene Cone WooferA durable polypropylene diaphragm delivers deep bass while suppressing peaks and dips in the mid and high frequencies ensuring smooth integration with the tweeter.Foam Rubber SurroundThe woofer surround material is made of foam rubber manufactured with an air-filled matrix structure that is light-weight and durable providing optimal damping characteristics for responsive bass notes.Silk Soft-Dome TweeterBased on technology developed for our premium speaker designs the soft-dome tweeter boasts a flat frequency response and wider dispersion. In addition its silk diaphragm contributes to natural and smooth sound with good internal loss.Progressive Height Rate SpiderThe acoustically-optimized spider allows for higher power handling and airflow with a profile designed for more rapid and precise cushioning of the speaker cone.Dynamic Air DiffuserThe integrated Dynamic Air Diffuser ensures efficient air circulation for smooth cone travel and cooling of the voice coil.Easy InstallationThe smaller tweeter chassis and shallow woofer basket decrease physical interference with factory grilles enabling easy installation in a wider variety of vehicles.Environment In MindSony products are not only designed to be stylish but also with the environment in mind. For the individual packaging of the XS-680GS 98% of the cushions are made of paper materials and compared to the prior model printed information has been carefully considered for simplicity and length to reduce printer ink usage by approximately 90% reflecting Sony’s commitment to reducing environmental imp | Sony | | Mobile XS-680GS 6" x 8“ 2-Way Coaxial Speakers | | Black | Best Buy