Alpine SS-SB12 12" S-Series Shallow Preloaded Subwoofer Enclosure

Experience powerful bass without sacrificing space with the Alpine SS-SB12 12" S-Series Shallow Preloaded Subwoofer Enclosure. Its ultra-shallow 13.3 cm deep design delivers clean, reliable bass performance in tight vehicle applications, while the preloaded 12" subwoofer features a lightweight neodymium magnet and a 2" voice coil for up to 300W RMS power handling.

The front-mounted neodymium motor and Gen2 DD-Linear Magnetic Circuit technology provide precise bass control with 22mm peak-to-peak linear excursion for maximized output. Four adjustable, foam-padded steel mounting brackets allow flexible installation and reduce vibration, making this rugged polymer enclosure an ideal match for Alpine S2-A55V, KTA-200M, or KTA-30MW amplifiers.

Key Features

Dimensions	56.5 cm (W) x 13.3 cm (H) x 33.3 cm (D)
Power Handling	300W RMS
Frequency Response	30Hz-200Hz
X-Max	11mm 1-Way Linear
Nominal Impedance	2Ω
Voice Coil	2" (50.0mm) Copper
Voice Coil Configuration	Single 2 Ohm Voice Coil for a 2 Ohm load (compatible with S2-A55V, KTA-200M, or KTA-30MW Amplifiers)
Subwoofer Size	12"
Magnet Type	Neodymium
Enclosure Material	Rugged Polymer
Enclosure Type	Sealed
Mounting Brackets	4 Adjustable, Foam-Padded Steel Brackets
Peak-to-Peak Excursion	22mm
Magnetic Circuit	Alpine Gen2 DD Linear

Highlights

• Optimal Sealed Cabinet Quality
• Preloaded 12” S-Shallow Subwoofer
• Neodymium Magnet
• Front-Mounted Neodymium Motor
• Alpine Gen2 DD Linear Magnetic Circuit
• Rugged Polymer Enclosure Cabinet
• Adjustable, Foam-padded Mounting Brackets for Flexible Installation & Reduced Vibration

Compatibility

With dual voice coils wired in parallel for a 2Ω load, the Alpine S-Series 12” Shallow Subwoofer Enclosure is optimized to perform with Alpine’s S2-A55V, KTA-200M, or KTA-30MW amplifiers.

How to use

Install the enclosure in a secure, flat location using the four adjustable mounting brackets. Connect to a compatible amplifier (S2-A55V, KTA-200M, or KTA-30MW) ensuring a 2 Ohm load. Adjust the brackets to minimize vibration and optimize sound performance.

What's included

• Sealed Cabinet with (1) 12” S-Series Shallow Subwoofer
• (x4) Mounting Brackets
• Owner’s Manual

Frequently asked questions What are the dimensions of the Alpine SS-SB12 enclosure? The enclosure measures 56.5 cm (W) x 13.3 cm (H) x 33.3 cm (D), making it an ultra-shallow design ideal for tight spaces. What is the power handling of this subwoofer enclosure? The SS-SB12 handles up to 300W RMS power and features a 2" copper voice coil with a neodymium magnet for efficient performance. Which amplifiers are compatible with the SS-SB12? It is optimized for Alpine S2-A55V, KTA-200M, or KTA-30MW amplifiers, with a single 2 Ohm voice coil configuration for a 2 Ohm load. What is included in the box with the SS-SB12? The package includes the sealed cabinet with one 12" S-Series shallow subwoofer, four mounting brackets, an owner's manual, warranty information, and online product registration details.