Dayton Audio D100T 100W PA Speaker Horn Driver with 70V Transformer
Amazon.com: PRV AUDIO WG270Ph Horn Driver - 1" Exit Phenolic Compression Driver 150 Watts Max Power 8 Ohm 106.5 dB 75 Watts RMS with Compact 60° x 60° Exponential Horn for Car Audio : Electronics
Car Audio Compression Driver w. Aluminum Horn 600 W 8-ohms (BRPACK1) — Bass Rockers
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