Skar Audio engineered the NPX10-4 to be everything you need in a mid-range pro audio speaker; delivering incredible sound, loudness, and reliability, all in an extremely shallow and versatile footprint. The NPX series mid-range utilizes a high-performance neodymium motor, which is an extremely lightweight and powerful magnet, allowing this speaker to be installed in a wide array of applications. No detail, material or design element went unexamined in each of the NPX series speakers; the loudness, sound clarity, and overall reliability of this mid-range is unprecedented for a speaker of it's size, featuring a commanding 2" voice coil that is complemented well by an advanced air flow cooling design. The Skar Audio NPX series is an obvious choice when implementing an array of mid-range speakers in any pro audio setup - and even more perfect for those applications such as door panels, etc; where speaker weight is often a major limitation in properly achieving the ideal sound stage. With the arrival of the NPX10-4, gone are the days of having to sacrifice quality and performance, this mid-range speaker allows you to achieve everything you desire with the best possible listening experience. Rated at 400 Watts Max Power, and 200 Watts RMS. Single 4-ohm voice coil configuration. Usable Frequency Range: 50 Hz - 5 kHz. Sold Individually.