---
product_id: 680326385
title: "Harmony AudioKicker 47TRTP122 Car Audio Down Firing 12\" Thin Sub Box Passive Radiator Bundle with Harmony HA-A400.1 Amplifier & Amp Kit"
brand: "harmony audio"
price: "€ 2384.90"
currency: EUR
in_stock: true
url: https://www.desertcart.nl/products/680326385-harmony-audiokicker-47trtp122-car-audio-down-firing-12-thin-sub
store_origin: NL
region: Netherlands
---

# 10Hz-180Hz Frequency Range 12" Thin Subwoofer 800W Mono Power Harmony AudioKicker 47TRTP122 Car Audio Down Firing 12" Thin Sub Box Passive Radiator Bundle with Harmony HA-A400.1 Amplifier & Amp Kit

**Brand:** harmony audio
**Price:** € 2384.90
**Availability:** ✅ In Stock

## Summary

> 🎶 Unleash the bass, own the road.

## Quick Answers

- **What is this?** Harmony AudioKicker 47TRTP122 Car Audio Down Firing 12" Thin Sub Box Passive Radiator Bundle with Harmony HA-A400.1 Amplifier & Amp Kit by harmony audio
- **How much does it cost?** € 2384.90 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/680326385-harmony-audiokicker-47trtp122-car-audio-down-firing-12-thin-sub)

## Best For

- harmony audio enthusiasts

## Why This Product

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

## Key Features

- • **Deep, Punchy Bass:** Wide 10Hz-180Hz frequency response delivers rich lows that you can feel.
- • **Plug & Play Bundle:** Includes Harmony HA-A400.1 amp and complete amp kit for hassle-free installation.
- • **Space-Savvy Design:** Slim 12" down-firing subwoofer fits seamlessly into your ride without sacrificing trunk space.
- • **Passive Radiator Tech:** Enhanced bass output with passive radiator for that next-level thump.
- • **Powerhouse Performance:** Experience booming bass with 800 watts of clean Class D amplification.

## Overview

The Kicker 47TRTP122 is a 12-inch thin down-firing subwoofer with passive radiator technology, bundled with the Harmony HA-A400.1 800W Class D mono amplifier and a full amp installation kit. Designed for deep, powerful bass with a compact footprint and a frequency response spanning 10Hz to 180Hz, this set delivers premium sound performance and easy installation for car audio enthusiasts.

## Description

Harmony AudioKicker 47TRTP122 Car Audio Down Firing 12" Thin Sub Box Passive Radiator Bundle with Harmony HA-A400.1 Amplifier & Amp Kit

## Features

- Harmony Audio HA-A400.1 Car Stereo Class D Amp Mono 800 Watt Subwoofer Amplifier
- Alloy Series Mono - 1 Channel Class D Amplifier
- Frequency Response: 10Hz-180Hz

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08CVSLDMG |
| Additional Features | Bass Boost |
| Age Range Description | Adult |
| Antenna Location | car |
| Audio Driver Size | 12 Inches |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Mono, Stereo |
| Best Sellers Rank | #87,817 in Electronics ( See Top 100 in Electronics ) #352 in Car Component Subwoofers |
| Brand | Harmony Audio |
| Built-In Media | 1 x Harmony Audio HA-A400.1 Car Stereo Class D Amp Mono 800 Watt Subwoofer Amplifier, 1 x Kicker 47TRTP122 Car Audio Down Firing 12" Thin Sub Box w/ Passive Radiator New, 1 x Harmony Audio HA-AK8 Car Stereo Complete 8 Gauge 900W Amp Amplifier Install Kit - Nickel |
| Color | black |
| Compatible Devices | Laptop, MP3 Player, Smartphone |
| Compatible with Vehicle Type | Car |
| Connectivity Protocol | RCA |
| Connectivity Technology | RCA |
| Control Method | Remote |
| Controller Type | Remote Control |
| Customer Reviews | 4.4 out of 5 stars 73 Reviews |
| Enclosure Material | mdf |
| Frequency Response | 180 Hz |
| Input Voltage | 12 Volts |
| Is Waterproof | FALSE |
| Item Dimensions D x W x H | 15"D x 28"W x 12"H |
| Item Height | 12 inches |
| Item Weight | 39.45 Pounds |
| MP3 player | No |
| Manufacturer | Harmony Audio |
| Model Name | 47TRTP122 |
| Model Number | 47TRTP122 |
| Mounting Type | Car Mount |
| Number of Audio Channels | 2.0 |
| Number of Items | 1 |
| Power Source | Corded Electric |
| Signal-to-Noise Ratio | 95 dB |
| Speaker Maximum Output Power | 1000 Watts |
| Speaker Size | 12 Inches |
| Speaker Type | Subwoofer, Woofer |
| Specific Uses For Product | Car |
| Subwoofer Connectivity Technology | Wired |
| Subwoofer Diameter | 12 Inches |
| Tweeter Diameter | 12 Inches |
| Unit Count | 1 Count |
| Warranty Type | Limited |
| Wireless Technology | No Wireless Communication Technology |
| Woofer Diameter | 12 Inches |

## Product Details

- **Brand:** Harmony Audio
- **Speaker maximum output power:** 1000 Watts
- **Connectivity technology:** RCA
- **Audio output mode:** Stereo
- **Mounting type:** Car Mount
- **Material:** mdf
- **Model name:** 47TRTP122
- **Speaker type:** Subwoofer
- **Special feature:** Bass Boost
- **Recommended uses for product:** car

## Images

![Harmony AudioKicker 47TRTP122 Car Audio Down Firing 12" Thin Sub Box Passive Radiator Bundle with Harmony HA-A400.1 Amplifier & Amp Kit - Image 1](https://m.media-amazon.com/images/I/71l5TZobjqL.jpg)
![Harmony AudioKicker 47TRTP122 Car Audio Down Firing 12" Thin Sub Box Passive Radiator Bundle with Harmony HA-A400.1 Amplifier & Amp Kit - Image 2](https://m.media-amazon.com/images/I/71kcGJu+SeL.jpg)
![Harmony AudioKicker 47TRTP122 Car Audio Down Firing 12" Thin Sub Box Passive Radiator Bundle with Harmony HA-A400.1 Amplifier & Amp Kit - Image 3](https://m.media-amazon.com/images/I/71zpsHKbZZL.jpg)
![Harmony AudioKicker 47TRTP122 Car Audio Down Firing 12" Thin Sub Box Passive Radiator Bundle with Harmony HA-A400.1 Amplifier & Amp Kit - Image 4](https://m.media-amazon.com/images/I/61zupCvT9bL.jpg)
![Harmony AudioKicker 47TRTP122 Car Audio Down Firing 12" Thin Sub Box Passive Radiator Bundle with Harmony HA-A400.1 Amplifier & Amp Kit - Image 5](https://m.media-amazon.com/images/I/81XyPOz6NnL.jpg)

## Frequently Bought Together

- Harmony Audio Kicker 47TRTP122 Car Audio Down Firing 12" Thin Sub Box Passive Radiator Bundle with Harmony HA-A400.1 Amplifier & Amp Kit
- Kicker 46KISLOC K-Series Interconnect, Speaker to RCA W/Line-Out Converter
- 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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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-01-23*