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Rockville 400W 8in Slim Under-Seat Subwoofer + 10GA Amp Kit

Rockville ★ 4.0/5 · ItemOracle Score Mid-Range

$110 USD
Price subject to change
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Rockville SS8P Bundle: 400-Watt 8 in Slim Under-Seat Active Powered Car/Truck Subwoofer, RWK10 10 Gauge Amp Installation Kit with ANL Fuse Holder and 100% Copper RCA Cable, 2-Items

Slim under-seat powered subwoofer with 400W peak / 100W RMS and adjustable low-pass. Includes a 10-gauge amp installation kit with 100% copper RCA cables. Customers note easy installation and solid bass, with some reports of units stopping unexpectedly

Highlights

  • includes amp kit with copper wiring
  • adjustable 50Hz-150Hz low-pass
  • 2.8-inch slim enclosure

Pros

  • compact, slim enclosure
  • powerful bass output
  • includes full wiring kit
  • adjustable low-pass filter
  • phase switch available

Cons

  • some units stop working according to customer feedback

Best For

  • under-seat car installation
  • truck cabin bass enhancement
  • compact audio setup
  • improved in-vehicle low-end
  • easy plug-and-play sound upgrade
  • retrofit in small spaces

Features

  • Slim under-seat 2.8-inch enclosure with 400W peak / 100W RMS output for compact bass
  • Includes Rockville RWK10 10-gauge amp kit with ANL fuse holder and 100% copper RCA
  • Adjustable low-pass filter 50–150 Hz and subsonic filter at 20 Hz for tuning
  • Phase switch (0/180) and bass boost 0–12 dB at 45 Hz for shaping sound
  • Cast aluminum enclosure helps stay cool with 4-ohm impedance and 20 Hz–150 Hz range

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