---
product_id: 311859334
title: "KICKER TRTP 8-inch (20cm) Thin Down Firing Subwoofer and Passive Radiator Enclosure, 2-Ohm, RoHS Compliant"
brand: "kicker"
price: "¥144881"
currency: JPY
in_stock: true
reviews_count: 5
category: "Kicker"
url: https://www.desertcart.jp/products/311859334-kicker-trtp-8-inch-20cm-thin-down-firing-subwoofer-passive
store_origin: JP
region: Japan
---

# 8-inch ultra-compact subwoofer High-output ReFLEX passive woofer 20% cooler forced-air cooling KICKER TRTP 8-inch (20cm) Thin Down Firing Subwoofer and Passive Radiator Enclosure, 2-Ohm, RoHS Compliant

**Brand:** kicker
**Price:** ¥144881
**Availability:** ✅ In Stock

## Summary

> 🎵 Compact Powerhouse: Big Bass, Zero Compromise!

## Quick Answers

- **What is this?** KICKER TRTP 8-inch (20cm) Thin Down Firing Subwoofer and Passive Radiator Enclosure, 2-Ohm, RoHS Compliant by kicker
- **How much does it cost?** ¥144881 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/311859334-kicker-trtp-8-inch-20cm-thin-down-firing-subwoofer-passive)

## Best For

- kicker enthusiasts

## Why This Product

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

## Key Features

- • **Plug & Play Powerhouse:** Optimized factory enclosure and 2-ohm impedance ensure easy integration with your car audio system.
- • **Built Tough for the Road:** Internally braced MDF enclosure resists dents, scratches, and stacking weight — durability meets style.
- • **Cooler Runs, Longer Life:** Innovative forced-air cooling keeps your bass pumping 20% cooler for unmatched reliability.
- • **Sleek, Space-Savvy Design:** Fits seamlessly under seats or cargo areas without cramping your ride.
- • **Bass That Commands Attention:** High-output ReFLEX passive woofer delivers deep, hard-hitting bass that feels bigger than its size.

## Overview

The KICKER TRTP 8-inch Thin Down Firing Subwoofer combines a sleek, space-saving design with advanced forced-air cooling technology to deliver 20% cooler operation and enhanced reliability. Featuring a high-output ReFLEX passive woofer and a rugged internally braced enclosure, this 2-ohm subwoofer fits effortlessly in tight vehicle spaces while pumping out deep, powerful bass that rivals larger systems.

## Description

Kicker TRTP 8-inch Thin Down Firing Subwoofer and Passive Radiator Enclosure, 2-Ohm - 48TRTP82 The new CompRT Down-Firing Subwoofer Enclosures make surprisingly strong, smooth bass in a box under seven inches deep. Heat is the enemy of endurance. To make Kicker subs even more reliable, KICKER engineers developed Forced-Air Cooling to help Kicker CompRT subs run 20 percent cooler.Heat is the enemy of endurance. To make Kicker subs even more reliable, KICKER engineers developed Forced-Air Cooling to help Kicker CompRT subs run 20 percent cooler. Place the TRTP under your truck seat or cargo area for great bass – no grille needed! Covered in stylish black carpeting and built with thick MDF, these tough enclosures take serious power without taking up needed space. Features - Thin-Mount CompRT Active Sub Internally Braced Enclosure Provides Ultimate Protection High-Output ReFLEX Passive Woofer Boosts Output Factory-Optimized Enclosure for Big Bass Resists Stacking Weight, Nicks or Scratches Extremely Compact Design with Drivers Hidden, Becoming a Part of the Vehicle’s Makeup True, Hard-Hitting KICKER Bass from a Shallow-Mount Design New CompRT Features Forced-Air Cooling - 20% Cooler for Increased Reliability High-Output ReFLEX Passive Woofer Intensifies Bass Output Easily Mounts in Cargo Area, with No Space Issues Specifications - Woofer Size [in, cm] - 8, 20 Impedance [Ohms DVC] - 2 Rec. Amplifier Power [watts RMS] - 300 Peak Power Handling - 600 Frequency Response [Hz] - 30-500 Height Installed [in, cm] - 5-3/8, 13.8 Width [in, cm] - 12-1/4, 31 Length [in, cm] - 23-5/8, 60

Review: Buy these they sound like a 12” set!!!
Review: producto entregado y conforme con lo solicitado

## Features

- Extremely Compact Design with Drivers Hidden, Becoming a Part of the Vehicle’s Makeup
- New CompRT Features Forced-Air Cooling - 20% Cooler for Increased Reliability
- High-Output ReFLEX Passive Woofer Intensifies Bass Output
- Internally Braced Enclosure Provides Ultimate Protection
- Easily Mounts in Cargo Area, with No Space Issues

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08NFHLB4T |
| Best Sellers Rank | #113,633 in Electronics ( See Top 100 in Electronics ) #165 in Car Component Subwoofers |
| Colour | black |
| Compatible devices | Car Audio System, Aftermarket Head Unit |
| Control method | App |
| Impedance | 2 Ohms |
| Included components | passive reFLEX subwoofer, CompRT active sub |
| Is waterproof | False |
| Item model number | 48TRTP82 |
| Item weight | 22.35 Pounds |
| Manufacturer | KICKER |
| Material | Down |
| Model name | TRTP82 |
| Mounting type | Bracket Mount |
| Number of Items | 1 |
| Power source | Corded Electric |
| Product dimensions | 33.3D x 15.2W x 61.6H centimeters |
| Recommended uses for product | for surround sound systems |
| Speaker size | 8 Inches |
| Speaker type | Subwoofer |
| Special features | compact |
| Subwoofer diameter | 8 Inches |
| Surround sound channel configuration | 2.0 |
| Unit count | 1.0 Count |
| Warranty type | Limited |
| Wireless communication technologies | No Wireless Communication Technology |

## Product Details

- **Audio output mode:** Stereo
- **Brand:** KICKER
- **Connectivity technology:** Auxiliary, RCA
- **Frequency response:** 500 Hz
- **Speaker maximum output power:** 600 Watts

## Images

![KICKER TRTP 8-inch (20cm) Thin Down Firing Subwoofer and Passive Radiator Enclosure, 2-Ohm, RoHS Compliant - Image 1](https://m.media-amazon.com/images/I/71kYI9RY-XL.jpg)
![KICKER TRTP 8-inch (20cm) Thin Down Firing Subwoofer and Passive Radiator Enclosure, 2-Ohm, RoHS Compliant - Image 2](https://m.media-amazon.com/images/I/71ekmsRpcML.jpg)
![KICKER TRTP 8-inch (20cm) Thin Down Firing Subwoofer and Passive Radiator Enclosure, 2-Ohm, RoHS Compliant - Image 3](https://m.media-amazon.com/images/I/71cyCGByjjL.jpg)
![KICKER TRTP 8-inch (20cm) Thin Down Firing Subwoofer and Passive Radiator Enclosure, 2-Ohm, RoHS Compliant - Image 4](https://m.media-amazon.com/images/I/616KqpoSZcL.jpg)
![KICKER TRTP 8-inch (20cm) Thin Down Firing Subwoofer and Passive Radiator Enclosure, 2-Ohm, RoHS Compliant - Image 5](https://m.media-amazon.com/images/I/61PJzNxRRiL.jpg)

## Questions & Answers

**Q: RMS rating?**
A: 8” is 300w rms
10” is 400w rms
12” is 500w rms

**Q: Will the skar audio rp-1200.1d amp work well with the kicker trtp 8-inch (20cm) thin down firing subwoofer and passive radiator enclosure, 2-ohm?**
A: Running a 300w RMS subwoofer on a 1200.1 amp is a bad idea.

**Q: Will this product fit under the rear seat of a 08 f150 crew cab**
A: Yes

**Q: What’s the best amp to pair with this?**
A: I did kicker key 500.1

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by R***O on 7 December 2025*

Buy these they sound like a 12” set!!!

### ⭐⭐⭐⭐⭐ Review
*by A***S on 17 January 2025*

producto entregado y conforme con lo solicitado

### ⭐⭐⭐ Review
*by R***N on 14 November 2024*

Not sp good as it describes

## Frequently Bought Together

- Kicker 48TRTP82 TRTP 8-inch Thin Down Firing Subwoofer and Passive Radiator Enclosure, 2-Ohm
- Kicker 46CXA4001 CXA4001-400-Watt Mono Class D Subwoofer Amp
- BOSS Audio Systems KIT2 8 Gauge Complete Car Amplifier Installation Wiring Kit with Power Cables, Ground Cables, Turn-On Wire, Speaker Wire, Terminals

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**Shop now:** [https://www.desertcart.jp/products/311859334-kicker-trtp-8-inch-20cm-thin-down-firing-subwoofer-passive](https://www.desertcart.jp/products/311859334-kicker-trtp-8-inch-20cm-thin-down-firing-subwoofer-passive)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-20*