Sundown Audio 6.5" inch 4 Ohm (E Series) Coaxial Speaker 120 Watts RMS (Pair)
DS18 ELITE 3.5" Full-Range Speakers with Bullet and Glass Fiber Cone 120 Watts 4-Ohms car audio stereo speakers
Amazon.com: SoundAlert 100W Police Air Horn Amplifier Kit [120-130 dB Compact Speaker] [Manual Control or Stock Horn Bybass] [10 A Fuse Protected] Electronic Air Horn for Emergency Vehicles Trucks Cars : Automotive
Amazon.com: SoundAlert 100W Police Air Horn Amplifier Kit [120-130 dB Compact Speaker] [Manual Control or Stock Horn Bybass] [10 A Fuse Protected] Electronic Air Horn for Emergency Vehicles Trucks Cars : Automotive