Specifications Nominal Impedance 4ohm 4ohm 4ohm 4ohm Power Handling 45W ?OW aow 100W Max. Transient Power Handling 100W 140W 160W 200W Sensitivity (2.83V/1 M) 87.5dB 89.5dB 91dB 90dB Frequency Response 75-20,000 Hz 55-20,000 Hz 55-20,000 Hz 45-20,000 Hz Woofer: 25mm(1") 25mm(1") 25mm(1") 25mm(1") Tweeter: 19mm(0.8") 19mm(0.8") 19mm(0.8") 19mm(0.