NSP4 300W Peak (100W RMS) 4" N-Series 2-Way Coaxial Car Speakers with 20mm Silk Dome Tweeters

They sound great

Despite their small size, these speakers are pretty damn awesome. I originally bought the V series 4 in coaxials, but I didn't do any measuring beforehand and realized that the V series had far too much mounting depth. After measuring I realized that the N series was almost the exact same depth as the space available. It was a tight fit, but fit perfectly. I have them mounted in a Hino 258 on foam speaker baffles. Powered by a Kenwood DMX 47 head unit with the high pass frequency set at 250 HZ with a 18 DB roll off. 250 Hertz is Way High, but the dashboard configuration combined with the foam speaker baffles prevent the speaker from getting any lower than 250 anyway. In a proper enclosure, these speakers are guaranteed to do better than 250 Hertz. These speakers make excellent mid-range and high range drivers. In my truck I combined these speakers with a 10-in subwoofer, also nvx, in a small 1.2 cubic foot box, also nvx, for a pretty amazing sound system for a tow truck.