-2- QuestAudio Pro Series 3000W Titanium 4" Bullet Car Pro Super Tweeter PT-01 4" Super Tweeters, 1.5" High Temperature Kapton Voice Coil Dimond Chrome Cutting Finish, Die Cast Aluminum Frame Peak Power Handling- 1500W(Per Tweeter)/ RMS Power Handling: 450W (Per Tweeter) Impedance: 8 Ohms / Tweeter Size: 4" Square Ferro Rluid Enhanced Voice Coil/ Sensitivity: 109 dB/ Frequency Response: 3k-22kHz