Amazon.com: Pyle 2in Tweeter Compression Horn Driver - 500 Watt High Power Car Audio Speaker Tweeter System w/ High Temp Voice Coil, 400-9000Hz Frequency, 102 dB, 8Ohm, Heavy Duty 30 oz Magnet
DS18 - PRO 2" Full Size Bolt On Throat Titanium Compression Driver with Spacer and Short Horn - Kit - Sky High Car Audio
Amazon.com: DS18 PRO-DKH1 Compression Driver with Aluminum Horn - 2", 640W Max Power, 8 Ohms, 2" KSV & Flat Wire Voice Coil - No Other Compression Driver Can Compare (Single) : Automotive
Amazon.com: Pyle 1.75 Inch Titanium Horn Driver-500W High Power Car Audio MidrangeTweeter Compression Horn Driver System Aluminum Voice Coil, 1-20kHz Frequency,105 dB, 8Ohm, 30 oz Magnet Structure PDS442, Black : Everything Else