1 Pair Audiopipe Super Tweeter (2) ATR-4053 400w Car Stereo Bullet 4" ( 1 Pair ) 4" Super Tweeters 1.5" High Temp. Kapton Voice Coil Diamond Chrome Cutting Finish - 200 Watts RMS / 400 Watts Peak Power Per Tweeter These Tweeters Measure 4" square and have amounting depth of 2-1/2"