Next-Generation S-Series 4" Component 2-Way Speaker Set

S2-S40C Hi-Res Audio Certified (Up to 40kHz) Poly Propylene, Glass Fiber, and Mica Cone Material Lightweight Design with High Output and Low Distortion High-Amplitude Multi-Roll (H.A.M.R.) Surround   Included 1” Adjustable Tweeters with Threaded Removable Housing (Component) OEM Fitment with In-Line Crossovers