---
product_id: 311859334
title: "TRTP 8-inch (20cm) Thin Down Firing Subwoofer and Passive Radiator Enclosure, 2-Ohm, RoHS Compliant"
brand: "kicker"
price: "¥152887"
currency: JPY
in_stock: true
category: "Kicker"
url: https://www.desertcart.jp/products/311859334-trtp-8-inch-20cm-thin-down-firing-subwoofer-and-passive
store_origin: JP
region: Japan
---

# 8-inch thin-mount design 600W max output power 20% cooler Forced-Air Cooling TRTP 8-inch (20cm) Thin Down Firing Subwoofer and Passive Radiator Enclosure, 2-Ohm, RoHS Compliant

**Brand:** kicker
**Price:** ¥152887
**Availability:** ✅ In Stock

## Summary

> 🎵 Feel the bass, not the bulk – KICKER’s thin subwoofer revolutionizes your ride’s soundscape!

## Quick Answers

- **What is this?** TRTP 8-inch (20cm) Thin Down Firing Subwoofer and Passive Radiator Enclosure, 2-Ohm, RoHS Compliant by kicker
- **How much does it cost?** ¥152887 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-trtp-8-inch-20cm-thin-down-firing-subwoofer-and-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

- • **Built to Endure:** Rugged MDF enclosure with stylish black carpeting resists stacking weight and handles serious power.
- • **Plug & Play Vibes:** Easy mounting and wired RCA connectivity make upgrading your vehicle’s audio effortless and sleek.
- • **Slim Fit, Big Bass:** Ultra-thin 8-inch design fits seamlessly under seats or in cargo areas without sacrificing punch.
- • **Passive Radiator Power:** High-output reFLEX passive radiator intensifies bass depth and clarity for immersive sound.
- • **Cooler Runs, Hotter Beats:** Innovative Forced-Air Cooling keeps your subwoofer 20% cooler for longer, relentless bass sessions.

## Overview

The KICKER TRTP 8-inch Thin Down Firing Subwoofer combines a compact, shallow-mount design with a high-output reFLEX passive radiator and advanced Forced-Air Cooling technology. Delivering up to 600 watts of powerful, hard-hitting bass, this 2-ohm subwoofer enclosure fits effortlessly under seats or in cargo areas, making it perfect for trucks, SUVs, and select cars. Built with durable MDF and finished in sleek black carpeting, it offers a space-saving, reliable upgrade for any vehicle audio system.

## Description

The 48TRTP82 CompRT Down-Firing Subwoofer Enclosures come loaded with an 8 inch passive reFLEX subwoofer and an 8 inch KICKER CompRT active subwoofer. Heat is the enemy of endurance. To make our subs even more reliable, KICKER engineers developed Forced-Air Cooling to help our 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. *PLEASE NOTE: THIS IS A SINGLE SUBWOOFER PAIRED WITH A HIGH-OUTPUT reFLEX PASSIVE RADIATOR.

## Features

- New Forced-Air Cooling helps this CompRT sub run 20 percent cooler
- ONE 8" thin-mount CompRT subwoofer and a high-output reFLEX passive radiator which intensifies bass output
- Easily mounts in cargo area with no space issues, and resists stacking weight
- Minimal mounting depth without sacrificing musical punch
- True, hard-hitting KICKER bass from a shallow-mount design

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08NFHLB4T |
| Additional Features | compact |
| Age Range Description | Adult |
| Antenna Location | for surround sound systems |
| Audio Driver Size | 20 Centimeters |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Stereo |
| Best Sellers Rank | #167,360 in Electronics ( See Top 100 in Electronics ) #229 in Car Component Subwoofers |
| Brand | KICKER |
| Built-In Media | passive reFLEX subwoofer, CompRT active sub |
| Color | black |
| Compatible Devices | Car Audio System, Aftermarket Head Unit |
| Compatible with Vehicle Type | & SUVs, Select Cars, Truck |
| Connectivity Protocol | RCA, aux |
| Connectivity Technology | Auxiliary, RCA |
| Control Method | Remote |
| Controller Type | Corded Electric |
| Customer Package Type | Standard Packaging |
| Customer Reviews | 4.4 4.4 out of 5 stars (68) |
| Enclosure Material | Down |
| Frequency Response | 500 Hz |
| Impedance | 2 Ohms |
| Is Waterproof | False |
| Item Dimensions D x W x H | 17.8D x 63.5W x 35.6H centimeters |
| Item Weight | 22.35 Pounds |
| MP3 player | No |
| Manufacturer | KICKER |
| Model Name | TRTP82 |
| Model Number | 48TRTP82 |
| Mounting Type | Under Vehicle |
| Number Of Circuits | 2 |
| Number of Audio Channels | 2.0 |
| Number of Items | 1 |
| Power Source | Corded Electric |
| Series Number | 82 |
| Speaker Maximum Output Power | 600 Watts |
| Speaker Size | 8 Inches |
| Speaker Type | Subwoofer |
| Specific Uses For Product | vehicle audio |
| Subwoofer Connectivity Technology | Wired |
| Subwoofer Diameter | 8 Inches |
| Tweeter Diameter | 1 Inches |
| UPC | 713034021230 |
| Unit Count | 1.0 Count |
| Warranty Type | Limited |
| Water Resistance Level | Not Water Resistant |
| Wireless Technology | No Wireless Communication Technology |
| Woofer Diameter | 8 Inches |

## Product Details

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

## Images

![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)

## 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

## 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-trtp-8-inch-20cm-thin-down-firing-subwoofer-and-passive](https://www.desertcart.jp/products/311859334-trtp-8-inch-20cm-thin-down-firing-subwoofer-and-passive)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-08-25*