3.75-Inch Square Super Horn TweeterFrequency Response: 4-20kHz SPL 94dB @ 1W/1M Low Distortion, Light Weight & Highly Reliable 75 Watts RMS/150 Watts Peak Power 4-8 Ohms Impedance Typical Impedance Appears as .13uF Capacitor Series Resistor is Recommended Complete Pair in Gift Box