The Power T2T-S is an audiophile tweeter kit that will enhance your audio system with amazing crystal clear highs The T2T-S kit includes a pair of 1†aluminum dome tweeters with dedicated crossovers, trim rings, and mounting hardware he 4-Ohm tweeter power handling rated at 75 Watts RMS/150 Watts Max Recessed tweeter mount uses standard 1-3/4" hole saw (not included)