1500W Max Single 12″ Sealed Subwoofer Tube Enclosure 12” (30cm) High-Performance Subwoofer Peak Power: 1500W RMS Power: 300W Overall Dimensions 12.75” x 26” Frequency Response 28-200Hz Speaker Impedance: 4 Ω Sensitivity: 92dB/W (1m) Stitched Alpine Logo Included Installation Brackets and Belts Heavy Duty Subwoofer Grill Subwoofer Features: 12″ Passive Subwoofer Push SPK Terminal Voice coil size/type Sensitivity: 92dB Enclosure Features: Tube enclosure Black Carpet Finish with White Alpine Logo Grille included