Alpine W-SB12V

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Alpine W-SB12V 12" Vented Subwoofer Enclosure with W12S4 Bass Series Subwoofer

The Alpine W-SB12V is a high-performance 12-inch vented subwoofer enclosure designed to deliver deep, powerful bass in a compact forward-firing cabinet. Preloaded with an Alpine W12S4 Bass Series subwoofer, this ported enclosure provides strong low-frequency output and improved efficiency compared to sealed designs.

Built with a durable poly/mica cone and poly foam surround, the W12S4 subwoofer delivers consistent bass performance and long-term reliability. The forward-firing vented enclosure enhances airflow and bass extension, making the Alpine W-SB12V an excellent upgrade for factory or aftermarket audio systems.

Key Features

• Preloaded Alpine W12S4 12" Bass Series subwoofer
• Vented (ported) forward-firing enclosure design
• 250W RMS power handling
• 750W peak power handling
• Poly/Mica cone construction
• Poly foam surround for durability
• Compact enclosure for trunk or cargo installation
• Black enclosure finish
• High-efficiency ported design for deeper bass output

Performance Specifications

• Woofer Size: 12"
• Enclosure Type: Ported / Vented
• Power Handling: 250 Watts RMS
• Peak Power Handling: 750 Watts
• Frequency Response: 22 Hz – 200 Hz
• Sensitivity: 88 dB

Construction

• Poly/Mica cone material
• Poly foam surround
• Forward-firing ported enclosure
• Black carpeted cabinet
• Grille not included

Dimensions

Product Dimensions:

Width: 17.5"
Height: 17.5"
Depth: 18.25"

Why Choose the Alpine W-SB12V?

The Alpine W-SB12V delivers strong, clean bass performance in a compact ported enclosure. Its forward-firing design and Bass Series W12S4 subwoofer provide improved efficiency and deeper low-frequency output, making it ideal for upgrading factory audio systems.

Perfect for:

• Single 12" subwoofer upgrade
• Trunk or SUV bass system
• Entry to mid-level bass builds
• Compact vented enclosure setups