Features:

Alpine W10S4 10" 750 Watt Peak 250 Watt RMS 4-Ohm Car Audio Subwoofer Sub 
10" 4-ohm subwoofer
 Polypropylene and mica cone with poly-foam surround
Stamped steel frame
Power handling: 50-250 watts RMS
Peak power: 750 watts
Sensitivity: 86.6 dB
Frequency response: 24-200 Hz
Top-mount depth: 5-1/16"
Sealed box volume: 0.83 cu. ft.
Ported box volume: 1.51 cu. ft.
Rockville RSE10 Single 10" .85 cu.ft. 5/8" MDF Sealed Subwoofer Enclosure Box
Designed for 10" subwoofers
Machine precision cut mounting holes
5/8" USA Heavy Duty MDF Construction
Top of the line Glue for extra durable adhesion
High quality speaker terminals
Designed, tested, and engineered to work with most of today's popular woofers. These enclosures are built with the quality additives needed to maximize the performance of any sound system.
Designed to give the best sound quality

• Alpine W10S4 10" 750 Watt Peak 250 Watt RMS 4-Ohm Car Audio Subwoofer Sub . 10" 4-ohm subwoofer.  Polypropylene and mica cone with poly-foam surround. Stamped steel frame. Power handling: 50-250 watts RMS.
• Peak power: 750 watts. Sensitivity: 86.6 dB. Frequency response: 24-200 Hz. Top-mount depth: 5-1/16". Sealed box volume: 0.83 cu. ft.. Ported box volume: 1.51 cu. ft..  
• Rockville RSE10 Single 10" .85 cu.ft. 5/8" MDF Sealed Subwoofer Enclosure Box. Designed for 10" subwoofers. Machine precision cut mounting holes . 5/8" USA Heavy Duty MDF Construction. Top of the line Glue for extra durable adhesion.
• High quality speaker terminals. Designed, tested, and engineered to work with most of today's popular woofers. These enclosures are built with the quality additives needed to maximize the performance of any sound system.. Designed to give the best sound quality. .  
• The RSE10 is a single 10" sealed speaker box made in the USA with Grade "A" 5/8" MDF wood. This enclosure is made with precision cutting machinery by industry experts that have been making these enclosures in the USA for over 20 years. All Rockville enclosures come with a customized enhanced glue that is unmatched by any other manufacturer. That means that the carpet will stay in place and not rip or tear. The USA MDF is much stronger then any type of import wood.

Alpine W10S4 10" 750 Watt Peak 250 Watt RMS 4-Ohm Car Audio Subwoofer Sub . 10" 4-ohm subwoofer.  Polypropylene and mica cone with poly-foam surround. Stamped steel frame. Power handling: 50-250 watts RMS.Alpine