S2-SB8-DT

8” S-Series Preloaded Shallow Subwoofer Enclosure

$259.95

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S2-SB8-DT

8” S-Series Preloaded Shallow Subwoofer Enclosure

$259.95

Product Overview

The Alpine S2-SB8-DT delivers deep, accurate bass from a compact sealed enclosure designed for versatile vehicle applications, including trucks, SUVs, vans, and Mercedes Sprinter van applications.

FeaturesArrow

  • 8” S-Series preloaded shallow subwoofer enclosure
  • Compact sealed enclosure design
  • Preloaded with Alpine S2-W8D4 subwoofer
  • Dual terminal inputs for flexible wiring configurations
  • Carbon fiber/polypropylene cone construction
  • Alpine High Amplitude Multi-Roll (H.A.M.R.) surround technology
  • Tight, accurate bass reproduction
  • High-output performance with low distortion
  • Ideal for under-seat and compact vehicle installations
  • Includes mounting hardware for Mercedes Sprinter Van applications
  • Compatible with KTX-EBKT Universal Mounting Bracket (sold separately)
  • Supports up-firing and side-firing installation options

Tech SpecsArrow

Enclosure Type: Sealed
Subwoofer Size: 8”
Speaker Configuration: Single S-Series S2-W8D4
Impedance: 4Ω (dual terminal)
Power Handling: 300W RMS / 900W Peak
Frequency Response: 35Hz – 215Hz
Sensitivity: 83dB
Dimensions: 13” (W) x 13” (H) x 5.25” (D) 
Overall Depth with Grille: 5.75”
Weight: 8 lbs

Owner's ManualArrow

S2-SB8-DT Owner's Manual

S2-SB8-DT Owner's Manual

Optimized for Sound & Space

The compact sealed enclosure design of the S2-SB8-DT is optimized for music lovers who prioritize both sound quality and space efficiency. Unlike larger ported enclosures that can overpower cabin space, the sealed design delivers tighter, more controlled bass reproduction for a balanced listening experience across all music genres. Its lightweight construction and low-profile footprint make it an excellent solution for daily drivers, overlanding builds, work vans, and custom vehicle audio upgrades where clean integration is a priority.

Proven S-Series Sound

At the core of the S2-SB8-DT is Alpine’s proven S-Series subwoofer technology, built for powerful output and accurate bass reproduction. The lightweight carbon fiber/polypropylene cone delivers strong bass response with minimal distortion, while Alpine’s proprietary High Amplitude Multi-Roll (H.A.M.R.) surround technology allows for increased cone movement and deeper bass output. Together, these technologies create clean, dynamic low frequencies that maintain clarity and impact, even at higher listening volumes.

Flexible Installation for Virtually Any Vehicle

Designed for flexible installation, the S2-SB8-DT includes dual terminal inputs for easier amplifier matching and wiring configurations across a variety of system setups. Included mounting hardware supports convenient under-seat installation, including select Mercedes Sprinter Van applications. For even greater versatility, the enclosure is also compatible with the optional KTX-EBKT Universal Mounting Bracket, allowing both up-firing and side-firing installation configurations to suit virtually any vehicle layout.
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