Product type: 2-way full range speaker LF 18inch | Voice Coil 2in HF 11.45inch (34.4mm) RMS Power: 250W + 50W Peak Power: 1000W Impedance: 4 ohm Frequency Response: 65Hz-20KHz Sensitivity Response: 95dB(1W/1m) ASHLEY MODEL: MILAN-A8 Max SPL: 121dB Material Box: Plastic Product Size: 25 25,5*42c