Rockville SS8P 400 Watt Slim Under-Seat Powered Car/Truck Subwoofer Sub+Amp Kit Review 2021

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Want to improve your music listening experience in your vehicle? then check out this amazing speaker the Rockville SS8P 400 Watt Slim Under-Seat. This installation kit will help make your speaker give you the best results.

Manufacture claim

  • Package Includes: (1) Rockville SS8P 400 Watt Slim Under-Seat Active Powered Car/Truck Subwoofer Sub, (1) Rockville RWK10 10 Gauge Amp Installation Kit ANL Fuse Holder 100% Copper RCA
  • Features of SS8P: Rockville SS8P 8″ 400w Slim Under-Seat Active Powered Car/Truck Subwoofer Sub, Enclosure is made out of cast aluminum which stays cool at all times, Peak Power Handling: 400 Watts, RMS Power Handling: 100 Watts, Heavy Duty Mounting Feet, PWM MOSFET Power Supply, Low Level RCA Input, High Level Inputs with Auto Turn-On Technology, Adjustable Input Sensitivity, Soft Delayed Remote Turn-On, Thermal Protection Circuit, Short Protection Circuit, Overload Protection Circuit
  • Green Power/Red Protect LED, Phase Switch: 0° or 180°, Low Pass Filter: 50Hz – 150Hz, Bass Boost: 0 – 12dB @ 45Hz, Built in Subsonic Filter @ 20Hz, THD: < 0.4%, Subwoofer Level Remote Control, Fuse Rating: Single 10A
  • Specifications of SS8P: Peak Power 400 Watts, RMS Power: 100 Watts, Impedance: 2 Ohm, Dimensions (L x W X H): 11.4″ x 8.3″ x 2.8″ Inches, Frequency Response: 20Hz – 150Hz, Signal to Noise Ratio: >90dB, Sensitivity: 90dB @ 1w / 1m, Input sensitivity, Low level: 300mV, Input sensitivity, High level: 1.0V
  • Features of RWK10: Rockville RWK10 10 Gauge 2 Channel Car Amplifier Wiring Installation Kit, (1) 17 High Grade Twisted Pair of 100% Copper RCA Cable, 17′ 10 Gauge Translucent Blue SuperFlex Power Cables, 17 18 Gauge Blue Remote Cable, 17 16 Gauge Clear Speaker Wire, 3′ 10 Gauge Clear SuperFlex Ground Wire, Gold Plated AGU Heat Resistant Fuse Holder, 40 Amp ATU Inline Fuse, 7 Split Tube Loom, Accessories Included: Wire Ties, Ring Terminals, Butt Connectors, Spades, and Grommets.

What are others saying about this product


  • It’s easy to install if you understand stereo systems and how to run the wires.
  • I was able to easily connect the amp to my Sony car audio system with the kit supplied with the amp, everything work perfect.
  • Unit looks nice and works well under passenger seat in Subaru Forester 2017.
  • Adding an 8” sub really enhanced the range of frequencies I was able to hear.
  •  The sound was excellent…you will not be disappointed
  • The unit seems to be made well, good features for the admission price, its less than a hundred bucks folks
  •  Sound quality is great for the price


  • You will not be happy with it in the trunk. 
  •  amp kit is 3 rating for the cheap/missing connectors and flimsy wire

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