SKP PRO AUDIO WF-1015 10" WOOFERS LOW SOUND, Program Power 300W, 8 Ohm, Professional Subwoofers and Deep Bass and Mid-bass Program Power: 300w - RMS Power: 150w Impedance: 8 Ohm Magnet Weight: 40 Oz Frequency Response: 50~4500Hz - Sensitivity: 93,5dB Component Replacement - 1 Year of Warranty