Pyle PSN1167 3.5'' Dispersion Horn Piezo Tweeter (pair)
3.5'' Square Piezo Horn Tweeter Frequency Response: 3.5KHz-25KHZ   SPL: 93dB @ 1W/1M   Excellent Transient Response   Low Distortion   Typical Impedance Appears as. 12 UF Capacitor   Light Weight Higly Reliable   200 Watts RMS/400 Watts Peak   Complete Pair In Gift Box   Suited 4-8 Ohm Impedance Aplications   A 30 Ohm Series Resistor is Recommended to Assure Stability of Extended Range Amplifiers Preclude Hazard of Amplifier Burn-Out   Overall Dimensions: 3.5'' x 3.5''   Cutout Dimensions: 2.75 x 2.75''   Screw Holes: 2.8''