DJ Speaker Mid Tweeter Replacement Compression Horn Driver High Efficiency Ceramic Tweeter - Frequency Response: 1.5kHz -22kHz Fits horns with 1 3/8" X 18 TPI threads - For use with 4~16 Ohm applications Power Handling: 250W RMS - 500W Peak Size: 4" Round x 1 1/2" Deep (3 1/4" Deep, Incl. Threaded Mounting Shaft) High Impact ABS Black Housing - Bulk Packaged (No Retail Box)