Pyle PSN1165 4.35" Square Dispersion Horn Piezo Tweeter (pair)
4.35'' Square Super Horn TweetersFrequency Response: 1.8kHz - 30kHz SPL: 93dB @ 1W/1M Excellent Transient Response Low Distortion Typical Impedance Appears as .3 UF Capacitor Light Weight Highly Reliable 200 Watts RMS/400 Watts Peak Complete Pair In Gift Box Suited 4-8 Ohm Impedance Applications A 30 Ohm Series Resistor is Recommended to Assure Stability of Extended Range Amplifiers  Preclude Hazard of Amplifier Burn-Out