Alpine PWV-SB12 12" BassRev™ Powered Shallow Subwoofer Enclosure

Experience powerful low-end performance with the Alpine PWV-SB12, a 12-inch powered subwoofer enclosure featuring integrated OPTIM™ Sync technology. This proprietary DSP algorithm applies dynamic bass-boost and pre-EQ settings to deliver impactful, full-size subwoofer authority from a compact, shallow-mount design.

Built for durability and daily use, the cabinet features a carpeted MDF construction with a double-brace structure to ensure rattle-free operation. The shallow, sealed profile allows for flexible installation in tight areas like under seats or against trunk walls, while the included wired remote provides convenient bass level control from the driver's seat.

Key Features

Enclosure Dimensions	53.3 cm (W) x 34.3 cm (H) x 16.8 cm (D)
Enclosure Type	Sealed, shallow profile
Enclosure Weight	14.5 kg
Driver	12" BassRev™ Subwoofer, dual 4Ω voice coils
Power Handling	400W RMS / 800W Peak
Frequency Response	31Hz - 200Hz
Low-Pass Filter	50–200 Hz, −24 dB/octave
Phase Control	0° / 180°
Inputs	High-level (0.5–10 V) and RCA (0.2–2.0 V)
Remote Level Control	Included (0 to −20 dB range)
Construction	Carpeted MDF cabinet with double-brace structure; extended grille design
Branding	Alpine embroidered top

Highlights

• Preloaded 12" BassRev™ Subwoofer
• Built-in 400W RMS Amplifier & DSP with OPTIM™Sync Technology
• Alpine Proprietary OPTIM™Sync Algorithm for added Dynamic Bass Boost Performance
• Shallow Enclosure for Flexible Fitment (6-5/8" depth)
• Sealed Design that Emphasizes Low-end Punch and Feel
• Engineered to Compete with Full Size Enclosures (delivers full-size sub impact)
• Carpeted MDF Enclosure w/Double Brace Structure
• Alpine Embroidered Top
• Extended Grille Design

Compatibility

The PWV-SB12 connects to most factory or aftermarket systems. Clearly marked controls allow for tuning, and the included wired remote provides bass level adjustment. The design maintains a stock appearance while providing bass depth.

What's included

• 12" BassRev™ Powered Subwoofer Enclosure
• Wired remote level control

Downloads

• PWV-SB12 Owner's Manual

Frequently asked questions What is the depth of the enclosure? The enclosure has a shallow depth of 16.8 cm, allowing for flexible installation in tight spaces. Does this subwoofer include an amplifier? Yes, it features a built-in 400W RMS amplifier with integrated DSP and OPTIM™ Sync technology. What type of enclosure is the PWV-SB12? It is a sealed, shallow-profile enclosure constructed from carpeted MDF with a double-brace structure. Can I adjust the bass level while driving? Yes, a wired remote level control is included, allowing for adjustments between 0 and -20 dB.