Pyle PSN1167 3.5'' Dispersion Horn Piezo Tweeter (pair) Frequency Response: 3.5kHz - 25kHz; SPL: 93dB @ 1W/1M Excellent Transient Response; Low Distortion Lightweight and highly reliable; 75 Watts RMS/150 Watts Peak Overall Dimensions: 3.5"x3.5"; Cutout Dimensions: 2.75"x2.75"