The Boss CH6CK speakers each deliver 350 watts at max power, providing deep bass and loud crisp sound without any distortion. Each speaker features a red poly injected, 1/2 inch cone, with foam surrounding and a 1 inch, High-Temperature, Aluminum Voice coil. They each have 175 watts RMS power for loud clear audio, plus this system comes with two 1 inch dome tweeters. Poly-Injected Metallic Cone with Foam Surround. 1" High Temperature Aluminum Coil. 1" Neodymium Dome Tweeter. | Boss Audio | | 2) BOSS CH6CK 6.5" 350W Car 2 Way Component Car Audio Speakers System Red Stereo | Black | Best Buy