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Number of Subwoofers
This value represents the number of subwoofers that the enclosure accommodates or that are included in the package or bundled kit.
Box Type
Represents the style of the enclosure. Be sure to purchase the appropriate enclosure type and internal volume that will be compatible with your subwoofer's recommendation.

Sealed - Sealed boxes are those that have no holes or vents in it. The only hole in a sealed box is where the subwoofer is installed. Smaller sealed boxes require more power than a larger sealed box. They provide a tight, accurate bass, while the larger sealed enclosures provide a "boomier" and louder bass.

Ported / Vented - Ported/Vented Enclosures provide an even boomier, louder bass, but less accurate then a small, sealed box. Ported enclosures typically require more airspace per sub and also less power output from an amplifier to perform correctly.

Bandpass - Bandpass enclosures make subwoofers perform efficiently, but loose. The bass is not as "boomy" as a ported enclosure nor as punchy as a sealed enclosure. Bandpass enclosures work well with lower to mid-level subwoofers.
Subwoofer Size
Refers to the diameter of the subwoofer, measured in inches.
Box Style/Shape
The box style or shape refers to the actual shape of the box. Square and rectangular boxes are straight-edged boxes on all sides, whereas hatchback and truck style enclosures feature an angled front or back design that allows for installation in places short on depth such as single cab pickup trucks. You can also use such enclosures in hatchback cars or other vehicles where space is a premium. Tube and cylinder shaped boxes were made popular by Bazooka and are a great option for those looking for a nice amount of bass without sacrificing lots of space. They may even fit in locations that slim truck boxes cannot fit in. If the enclosure is vehicle specific, we encourage you to read the product description to find out which vehicles the enclosure is made for.
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Promotions we have offer More Ways to Shop for items that are on clearance, last chance, special offer and sales, Made in America, and more!
Series
Many brands group their products into series or lines of products to help customers know the level of quality (good, better, best for example). You can filter by series and the brand using our guided browsing.
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Alpine R2-DB8V-TRK

2000W Peak (750W RMS) Halo Series 8” Dual 4-Ohm Subwoofer Enclosures

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Alpine R2-DB8V-TRK

2000W Peak (750W RMS) Halo Series 8” Dual 4-Ohm Subwoofer Enclosures

• Bandpass Ported enclosure with 2 8" Halo R-Series Subwoofer
• 750 watts RMS ( Peak)
• Final Impedance: 2 Ohm
• Dual 8" Bandpass Ported Subwoofer Enclosure
• Spring-loaded Terminal Posts
• Enclosure Dimensions: 40" TD x 51" BD x 51" W x 8-11/16" H

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FREE 1-day shipping to OH. Get it Wed, Nov. 19
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VIP Product Get $80.00 in rewards to spend later

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$799.95

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Alpine R2-W12D4 with Ported Enclosure

2250W Peak (750W RMS) 12" 750W R-Series Dual 4-Ohm Car Subwoofer

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Alpine R2-W12D4 with Ported Enclosure

2250W Peak (750W RMS) 12" 750W R-Series Dual 4-Ohm Car Subwoofer

• Peak Power: 2250 watts
• RMS Power: 750 watts
• Kevlar Reinforced Pulp Paper Cone
• High-Amplitude Multi-Roll (H.A.M.R) Surround
• Impedance: Dual 4 ohm
• Sensitivity: 84.6 dB
• Includes Ported Enclosure

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FREE 1-day shipping to OH. Get it Wed, Nov. 19

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$499.94

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Alpine RS-SB12 - New (Damaged Packaging, Product A+)

1800W Peak (600W RMS) 12” Halo Series 2-Ohm Loaded Subwoofer Sealed Enclosure

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Alpine RS-SB12 - New (Damaged Packaging, Product A+)

1800W Peak (600W RMS) 12” Halo Series 2-Ohm Loaded Subwoofer Sealed Enclosure

• 600 watts Single 12" Sealed Subwoofer Enclosure
• Dual 2 ohm Impedance
• Spring-loaded Terminal Posts
• Enclosure Dimensions: 16" TD x 24.5" W x 5.25" H

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FREE 1-day shipping to OH. Get it Wed, Nov. 19

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$899.95

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Alpine Halo R2-SB12V - New (Damaged Packaging, Product A+)

750W RMS 12" Halo Series Linkable Ported Loaded Subwoofer Enclosure

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Alpine Halo R2-SB12V - New (Damaged Packaging, Product A+)

750W RMS 12" Halo Series Linkable Ported Loaded Subwoofer Enclosure

• Dual 12" Ported Subwoofer Enclosure
• 12" Subwoofer(s)
• Set of Binding posts Terminals
• Optimal Sound Performance
• Premium black carpet
• Silver Alpine embossed side logo badge

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FREE 1-day shipping to OH. Get it Wed, Nov. 19

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$539.95

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