NA-333 5.5" woofer cannon Size: Φ 165mm?00mm Frequency Response: 20Hz-1KHz RMS Power Range: 100W Peak Power Handling: 300W Impedance: 2 ohm, 4 ohm, 8 ohm Size Of Gift Box: 87?0?0 cm Carton Size: 89.5?3?4.5 cm Qty./Ctn.: 6 pcs