---
product_id: 57118801
title: "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"
brand: "rockville"
price: "C$19065"
currency: NIO
in_stock: true
reviews_count: 5
category: "Rockville"
url: https://www.desertcart.ni/products/57118801-ss8p-bundle-400-watt-8-in-slim-under-seat-active
store_origin: NI
region: Nicaragua
---

# 2.8" slim under-seat fit 400W peak power 10-gauge copper wiring kit 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

**Brand:** rockville
**Price:** C$19065
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate your drive with bass that’s as sleek as your style.

## Quick Answers

- **What is this?** 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 by rockville
- **How much does it cost?** C$19065 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/products/57118801-ss8p-bundle-400-watt-8-in-slim-under-seat-active)

## Best For

- rockville enthusiasts

## Why This Product

- Trusted rockville brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Compact Powerhouse:** 400W peak output delivers deep, room-filling bass without sacrificing cabin space.
- • **Built to Last & Perform:** Durable cast aluminum enclosure stays cool and vibration-free, ensuring reliable, high-quality bass.
- • **Precision Audio Control:** Adjustable low-pass filter, phase switch, subsonic filter, and bass boost let you tailor your sound perfectly.
- • **Sleek Under-Seat Design:** Slim 2.8" enclosure fits discreetly under most car and truck seats for a stealthy upgrade.
- • **Premium Installation Kit:** Includes 10-gauge SuperFlex power wire and 100% copper RCA cables for clean, distortion-free audio.

## Overview

The Rockville SS8P Bundle pairs a powerful 400W slim 8" under-seat active subwoofer with a premium 10-gauge amp installation kit featuring copper RCA cables and an ANL fuse holder. Designed for seamless under-seat mounting, it offers advanced sound controls and a durable aluminum enclosure, delivering rich, precise bass without compromising space—perfect for car and truck audio enthusiasts seeking a clean, professional upgrade.

## Description

desertcart.com: 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 : Electronics

Review: Buy it! - Another cliche ‘I don’t write reviews’ post here... but I am very impressed with all aspects of this subwoofer! Most everything is already covered in other reviews but I wanted to give some thanks to Rockville for this design! In another life I loved having worked on cars, having 2x12s in the trunk, nothing was left stock. I consider myself an audio and car enthusiast, but not a pro by any means. I like car modifications to fit as close to OEM as possible. I also like to have audio equipment sound true, flat / accurate with its reproduction. This enclosure is for specifically under-seat applications. You will not be happy with it in the trunk. - Build quality is top notch - solid metal enclosure will break your toe if you’re not careful. No rattles or cheap-feeling at all. All connections and adjustments are on one side, good idea. - Small size will fit *most* under-seat locations. Note: 2015 Hyundai Sonata 2.0 drivers seat has a plastic tray that will hold it, but it is tight. Does not fit ‘on the floor’ under the seat due to a/c duct and gear motor. So the enclosure sticks forward just an inch from the front of the seat towards your legs, but does not interfere or touch. In the seats lowest position it will squish the enclosure, but send vibrations straight to your tushie for an amazing concert-like experience. -10ga Amp Kit was perfect. Quality cables and wires included. You will need a few extra zip ties of your own. I used the ‘soft auto on’ and hi-input connections so I only needed four wires: power, ground, left and right. -Subwoofer gain level remote knob is helpful to route to the dash so you don’t have to keep adjusting the gain on the subwoofer itself. -Power is more than adequate for under-seat locations. Note: Sub is far too quiet when located in the trunk, but it is not designed for that. I tried it in the trunk but needed to move it back to under the seat. -Sound quality is very impressive for a tiny 8” enclosure. You cannot even tell a sub is installed from outside the car (you won’t p*ss off your neighbors). On stock head unit (4x door speakers, 2x tweeters in the dash. Bass +3, mid +2, High +3) Subwoofer bass boost on zero, LPF at ~60hz, gain at 60% the lows are thick and rich, kick drums hit hard. Rock, metal, country - sounds great. Hip hop or techno is average, to above average, because of the ultra low kick and sub hits... there are just a few frequencies that are missing but that could be due to my car head unit eq. Overall, great product! With new JVC CS-J620 door speakers and this sub, my anemic stock car stereo has become fantastic!
Review: Excellent Active Car Sub Woofer - Excellent Quality , not huge loudness but pure Sweet Quality Bass. I’ve used 3 different active subs. They all are excellent . 10 inches big wooden model got huge Bass. Good Price less Expensive & great Quality

## Features

- 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
- Compact Power with Deep Bass: 400W peak / 100W RMS output in a slim 2.8" enclosure for powerful, clear bass that fits easily under car or truck seats.
- Advanced Controls: Adjustable low-pass filter (50Hz–150Hz), phase switch (0°/180°), subsonic filter (20Hz), and bass boost (0–12dB @45Hz) for fine-tuned sound performance.
- High-Quality Design: Cast aluminum enclosure stays cool; 4Ω impedance, frequency response 20–150Hz, SNR >90dB, sensitivity 90dB @1W/1m; single 15A fuse for dependable power.
- Premium Wiring Kit: RWK10 includes 100% copper RCA cables and 10-gauge SuperFlex power wire with low resistance for efficient current flow and clean, distortion-free audio.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B079PSSD6N |
| Audio Driver Size | 8 Inches |
| Audio Driver Type | Dynamic Driver |
| Best Sellers Rank | #21,617 in Electronics ( See Top 100 in Electronics ) #10 in Car Enclosed Subwoofer Systems |
| Color | Black |
| Compatible Devices | Smartphone, Tablet, MP3 Player, Desktop, Television, Projector, Laptop |
| Control Method | Remote |
| Customer Reviews | 4.4 4.4 out of 5 stars (1,541) |
| Date First Available | February 9, 2018 |
| Impedance | 2 Ohms |
| Included Components | 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 |
| Is Discontinued By Manufacturer | No |
| Is Waterproof | FALSE |
| Item Weight | 11 pounds |
| Item model number | SS8P+RWK10 |
| Manufacturer | Rockville |
| Material | Aluminum |
| Model Name | SS8P |
| Mounting Type | Under-Seat Mount |
| Number Of Circuits | 1 |
| Number of Items | 1 |
| Power Source | 12-volt DC electrical system |
| Product Dimensions | 11"D x 14.1"W x 5.4"H |
| Recommended Uses For Product | Car |
| Set Name | Rockville SS8P + RWK10 |
| Shape | rectangular prism |
| Signal-to-Noise Ratio | 90 dB |
| Speaker Size | 8 Inches |
| Speaker Type | Subwoofer |
| Special Feature | Protection |
| Specific Uses For Product | Under-seat installation in cars or trucks |
| Style | Black |
| Subwoofer Connectivity Technology | Wired |
| Subwoofer Diameter | 8 Inches |
| Surround Sound Channel Configuration | 2.0 |
| Unit Count | 1 Count |
| Warranty Type | Limited |
| Wireless Communication Technology | No Wireless Communication Technology |
| Woofer Diameter | 8 Inches |

## Product Details

- **Audio Output Mode:** Mono
- **Brand:** Rockville
- **Connectivity Technology:** RCA
- **Frequency Response:** 20 Hz
- **Speaker Maximum Output Power:** 400 Watts

## Images

![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 - Image 1](https://m.media-amazon.com/images/I/71ErSDiXvZL.jpg)

## Questions & Answers

**Q: is everything in the box needed for Installation?**
A: Yes, with the accompanying Amp Kit. Its complete along with rubber insulation you gave to attach yourself. I would suggest electrical tape, wire strippers, and a pair of terminal/electrical pliers  (I apologize if you are already aware.).

**Q: Has anyone added a second sub to their system?**
A: Yes. I used RCA splitters and installed two in my Mitsubishi Montero. Sounds amazing and have been going strong for 3 years. I tried to split the remote control using a telephone line splitter but got weird feedback when I tried to do that, so I just went without the remote control.

**Q: How difficult is this to install?**
A: It's easy to install if you understand stereo systems and how to run the wires. The hardest part is getting to your stereo. Not sure if you have experience or not installing systems. If you do, its easy.

**Q: If I got splitters for both the rca and remote control (telephone jack), can I install one sub under each of the front seat?**
A: Yes. I split my rca signal and installed 2 of the speakers.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Buy it!
*by N***E on January 12, 2020*

Another cliche ‘I don’t write reviews’ post here... but I am very impressed with all aspects of this subwoofer! Most everything is already covered in other reviews but I wanted to give some thanks to Rockville for this design! In another life I loved having worked on cars, having 2x12s in the trunk, nothing was left stock. I consider myself an audio and car enthusiast, but not a pro by any means. I like car modifications to fit as close to OEM as possible. I also like to have audio equipment sound true, flat / accurate with its reproduction. This enclosure is for specifically under-seat applications. You will not be happy with it in the trunk. - Build quality is top notch - solid metal enclosure will break your toe if you’re not careful. No rattles or cheap-feeling at all. All connections and adjustments are on one side, good idea. - Small size will fit *most* under-seat locations. Note: 2015 Hyundai Sonata 2.0 drivers seat has a plastic tray that will hold it, but it is tight. Does not fit ‘on the floor’ under the seat due to a/c duct and gear motor. So the enclosure sticks forward just an inch from the front of the seat towards your legs, but does not interfere or touch. In the seats lowest position it will squish the enclosure, but send vibrations straight to your tushie for an amazing concert-like experience. -10ga Amp Kit was perfect. Quality cables and wires included. You will need a few extra zip ties of your own. I used the ‘soft auto on’ and hi-input connections so I only needed four wires: power, ground, left and right. -Subwoofer gain level remote knob is helpful to route to the dash so you don’t have to keep adjusting the gain on the subwoofer itself. -Power is more than adequate for under-seat locations. Note: Sub is far too quiet when located in the trunk, but it is not designed for that. I tried it in the trunk but needed to move it back to under the seat. -Sound quality is very impressive for a tiny 8” enclosure. You cannot even tell a sub is installed from outside the car (you won’t p*ss off your neighbors). On stock head unit (4x door speakers, 2x tweeters in the dash. Bass +3, mid +2, High +3) Subwoofer bass boost on zero, LPF at ~60hz, gain at 60% the lows are thick and rich, kick drums hit hard. Rock, metal, country - sounds great. Hip hop or techno is average, to above average, because of the ultra low kick and sub hits... there are just a few frequencies that are missing but that could be due to my car head unit eq. Overall, great product! With new JVC CS-J620 door speakers and this sub, my anemic stock car stereo has become fantastic!

### ⭐⭐⭐⭐⭐ Excellent Active Car Sub Woofer
*by S***M on January 25, 2026*

Excellent Quality , not huge loudness but pure Sweet Quality Bass. I’ve used 3 different active subs. They all are excellent . 10 inches big wooden model got huge Bass. Good Price less Expensive & great Quality

### ⭐⭐⭐⭐⭐ Jeep TJ Owner - Pleasantly Surprised Thus Far!
*by D***. on May 22, 2020*

I've only had the Rockville SS8P installed in my Jeep TJ for a few days, but I'm very pleased thus far! As most Jeep Wrangler owners know, cabin space is at a premium, so I wanted something that would add just a little bass and low end sound to my aftermarket system w/o compromising my limited storage space. I recently purchased a Kenwood Excelon KDC-X304 head unit (which I love) to power 2-Pioneer 6.5" speakers in the roll bar, and 2-Pioneer tweeters in the front dash area. As TJ owners also know, the stock stereo system configuration offers very little low end sound and the result is a very treble-heavy, "tinny" sound field regardless of the quality of the components installed. I originally purchased a Kenwood SW11 compact powered subwoofer that was DOA, so after returning that device (no knock on Kenwood -- just a random bad unit), I decided to give the Rockville SS8P a shot after reading many positive reviews. I'm pretty particular about the sound of my music, so I was a bit skeptical of how effective the SS8P would actually perform. However, after getting a little tuning advice from a friend who is sound system savvy, I installed the SS8P using the RCA cable option (which was very simple -- hardest part IMO was simply routing and hiding the cables). My order also included the Rockville RWK10 amp install kit (also impressive in its quality -- I highly recommend) which made the install process much easier. After tuning the gain w/ a 60Hz test signal, and setting up the signal crossovers in the head unit to direct sound signals appropriately, this little beast has exceeded my expectations thus far! If your space is limited and you are looking for something to "fill in" the lows and create a balanced sound field, the Rockville SS8P might be what you're searching for, especially if your musical tastes are in genres that are not overly "bass-heavy" (ie: rock, country, etc.). In addition, the sound quality is crisp and clear (thus far) with minimal distortion unless the unit is pushed to max volume and/or bass levels. As most reviewers have expressed, the Rockville SS8P is certainly not going to rattle the neighbor's windows, but it does produce a consistent "rumble" that I can feel in my driver seat despite the woofer being installed under the rear passenger bench seat. Even my 14-year-old daughter (who listens to a lot of rap & hip-hop) was impressed with what she 'felt' and heard while listening to her music in the passenger seat! The unit is housed in a sturdy aluminum enclosure (as a point of reference, the slightly more expensive Kenwood SW11 mentioned earlier was enclosed in plastic) and the overall build quality seems impressive. I'm hoping that's an indication of the unit's overall durability and reliability in the long term. As the old saying goes, "Time will tell," but in the interim, "So far, so good!"

## Frequently Bought Together

- Rockville SS8P 400 Watt Slim Under-Seat Powered Car/Truck Subwoofer Sub+Amp Kit Black
- Kicker 46KISLOC2 K-Series Stereo Line-Output Converter w/Remote Turn-On Output
- Nilight - 50004R 120 Pcs/60 Pairs Quick Splice Wire Terminals T-Tap Self-stripping with Nylon Fully Insulated Male Quick Disconnects Kit, 2 Years Warranty

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*Product available on Desertcart Nicaragua*
*Store origin: NI*
*Last updated: 2026-02-18*