The Skar Audio SPX-T are 1-inch, high performance, neodymium component tweeters, engineered by Skar Audio to deliver unparalleled sound for those listeners seeking nothing but excellence from their vehicles sound. Designed to be added to a sound stage of existing component speakers, or to replace a lesser caliber pair of tweeters, these are unrivaled in sound quality and performance. It starts with the aluminum dome of the tweeter, which in conjunction with the silk edge of the tweeter and the powerful neodymium magnet, allow for added sensitivity and increased power handling. External crossovers are included and provided for each individual tweeter with this set. Frequency Response: 1.3 kHz - 20 kHz, 4 Ohm Impedance. Sold as a Pair. Peak Power: 320 Watts (Pair) / 160 Watts (Each), RMS Power: 80 Watts (Pair) / 40 Watts (Each). Includes an audiophile grade external crossover for each tweeter. Sensitivity: 92 dB High Performance 1-inch Aluminum Dome Component Tweeters with Silk Edge Peak Power: 320 Watts (Pair) | RMS Power: 80 Watts (pair) Sensitivity: 92 dB, Impedance: 4 Ohms Sold as a Pair - Includes x2 Tweeters and x2 Crossovers Flush Mount Design | Frequency Response: 1.3 kHz - 20 kHz