The Alpine PWE-S8 is one of the most popular compact powered subwoofers for customers wanting noticeable bass improvement without sacrificing cargo or seating space. Its shallow cast-metal enclosure and built-in amplifier make it ideal for under-seat truck installs, Jeeps, sedans, and OEM integration systems.

Key Features

  • 8-inch high-excursion subwoofer
  • Built-in Class D amplifier
  • 120W RMS / 240W peak power
  • Compact sealed enclosure
  • Cast metal housing for durability
  • RCA & speaker-level inputs
  • Auto-sensing high-level inputs
  • Adjustable low-pass crossover
  • Adjustable gain & phase controls
  • Wired remote bass knob included
  • Easy under-seat installation

Performance Specifications

  • RMS Power: 120 watts
  • Peak Power: 240 watts
  • Frequency response: 25Hz–152Hz
  • Low-pass crossover: 50Hz–150Hz
  • Dimensions:
    • 13.5" W
    • 9" H
    • 3" D (max depth)
  • Built-in amplifier included

Best Applications

  • Under-seat truck installs
  • Jeep Wrangler systems
  • OEM radio bass upgrades
  • Small SUVs & sedans
  • Customers wanting tighter musical bass instead of huge SPL systems
  • Space-limited installs

Works Great With

    Complementary products