Pyle PSN1165 4.35" Square Dispersion Horn Piezo Tweeter (pair) 4.35" Square Piezo Ceramic Super Horn Tweeters Frequency Response: 1.8kHz - 30kHz SPL: 93dB at 1W/1M Excellent Transient Response; Low distortion 200 Watts RMS, 400 Watts Peak; Lightweight and highly reliable