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
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
Amazon.com: DS18 PRO-DKN25 Neodymium Driver with Aluminum Horn - 1", 120W Max Power, 60W RMS, 8 Ohms, 1" Voice Coil, Phelonic Diaphragm - No Other Compression Driver Can Compare (Single) : Musical Instruments