Alpine SS-SB10 S-Series shallow sealed downward-firing enclosure with 10" 2-ohm subwoofer

Product info: sealed downward-firing enclosure with one 10" S-Series shallow subwoofer water-resistant polymer enclosure polypropylene cone 2-ohm total impedance power handling: 300 watts RMS (600 watts peak) frequency response: 32-200 Hz dimensions: 18.5"W x 4.5"H x 12.5"D warranty: 1 year Alpine SS-SB10 owner's manual Subwoofer enclosure loaded with one 10" S-Series subwoofer 4 Mounting brackets 4 Foam pads with adhesive backing Eight 3/4" screws Four M5x12mm machine screws 4 Lock-washers Installation manual (Eng/Fren) Warranty information Product registration information Safety notice General Woofer Size (inches) 10 Speakers Per Box --- Woofer Material Polypropylene Enclosure Type Sealed Color Black Pieces in System 1 Width (inches) 18-11/16 Height (inches) 4-3/8 Depth (inches) 12-1/2 Connector Type Spring post Frequency Response 35-200 Hz Power Handling (Watts RMS) 300 Power Handling (Watts Peak) 600 Sensitivity --- Impedance 2 ohms Parts Warranty 1 Year Labor Warranty 1 Year