Alpine S2-S40C Speakers 4 Inch 10cm S2 Series Car 2 Way Component 45w RMS PairAlpine S Series: The Music Lovers Starter Pack S Series 10cm (4) Component 2 Way Speakers S2 S40C Newly redesigned and Hi Res Audio Certified, the Next Generation S Series S2 S40C 10cm (4) Component Speakers offer a new standard in entry level sound performance. We packed supreme capability into these speakers by using highly effective materials and proprietary design elements. The lightweight woofer cone, crafted from a combination of polypropylene,