Voyz Super Bullet Dispersion Horn Piezo Tweeter 3.5 inch 400 Watts Max Excellent Transient Response; Low Distortion. Power RMS/MAX: 200W / 400W Lightweight and highly reliable; 200 Watts RMS / 400Watts Peak Frequency Response: 3kHz - 16kHz; SPL: 100dB (1W/1M) - Impedance: 4  8 Ohms 2 Tweeter, Color Black. Overall Dimensions: 3.5"x3.5"; Cutout Dimensions: 2.75"x2.75" 30 Days Money Back Satisfaction Guarantee!