---
product_id: 1167692
title: "12 Inch Subwoofer, 800 Watt Max 400 Watt RMS Speaker for Car & Powersports, HFX12D4"
brand: "hifonics"
price: "¥34180"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/1167692-12-inch-subwoofer-800-watt-max-400-watt-rms-speaker
store_origin: JP
region: Japan
---

# 12-inch woofer size 800W peak power Heavy-gauge steel basket 12 Inch Subwoofer, 800 Watt Max 400 Watt RMS Speaker for Car & Powersports, HFX12D4

**Brand:** hifonics
**Price:** ¥34180
**Availability:** ✅ In Stock

## Summary

> 🔊 Feel the bass, own the road.

## Quick Answers

- **What is this?** 12 Inch Subwoofer, 800 Watt Max 400 Watt RMS Speaker for Car & Powersports, HFX12D4 by hifonics
- **How much does it cost?** ¥34180 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/1167692-12-inch-subwoofer-800-watt-max-400-watt-rms-speaker)

## Best For

- hifonics enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Durable powder-coated steel basket and pressure-treated foam surround ensure distortion-free, long-lasting performance.
- • **Ground-Shaking Power:** Experience up to 800W peak and 400W RMS for bass that commands attention on every drive.
- • **Effortless Installation:** Spade-style terminals make setup a breeze—perfect for cars and powersports alike.
- • **Immersive Audio Experience:** Hifonics delivers crystal-clear, powerful bass that transforms your vehicle into a mobile concert hall.
- • **Perfect Fit, Perfect Sound:** 12-inch subwoofer with a shallow 5.61-inch mounting depth fits seamlessly in sealed or vented enclosures.

## Overview

The Hifonics HFX12D4 is a 12-inch subwoofer designed for car and powersports audio systems, delivering up to 800 watts peak power and 400 watts RMS. Featuring a durable powder-coated steel basket, pressure-treated foam surround, and easy spade-terminal installation, it fits perfectly in a variety of enclosures with a 5.61-inch mounting depth. Built for powerful, distortion-free bass, this subwoofer elevates your in-vehicle sound experience with professional-grade performance.

## Description

Hifonics 12 Inch Subwoofer, 800 Watt Max 400 Watt RMS Speaker for Car & Powersports, HFX12D4

## Features

- Deep, Powerful Bass: Subwoofer delivers up to 800W peak power and 400W RMS, providing rich, controlled bass for a dynamic car audio experience in any vehicle
- Versatile & Easy to Install: With spade-style terminals, this speaker is quick and easy to install; Compatible with various setups, including powersports vehicles for added versatility and customization
- Built for Durability: Designed for longevity and distortion-free performance featuring a unique heavy-gauge, powder-coated steel basket, pressure-treated foam surround, and poly-cotton spider
- Perfect Fit & Specs: 12-inch sub has a 5.61-inch mounting depth and a 10.94-inch cutout diameter, making it ideal for small sealed or medium to large vented enclosures
- Power from the Gods: Hifonics delivers ground-shaking bass and crystal-clear audio with high-performance speakers and amplifiers, built for those who demand powerful, immersive sound on every drive.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Mounting Type | Car Mount,Trunk Mount |
| Model Name | HFX12D4 |
| Speaker Type | Subwoofer |
| Recommended Uses For Product | car |
| Compatible Devices | Car Audio System |
| Subwoofer Diameter | 12 Inches |
| Unit Count | 1.0 Count |
| Surround Sound Channel Configuration | 2.1 |
| Color | black |
| Product Dimensions | 7"D x 14.8"W x 14.5"H |
| Item Weight | 7.8 Pounds |
| Impedance | 4 Ohm |
| Is Waterproof | FALSE |
| Warranty Type | Limited |
| Number of Items | 1 |
| Control Method | Touch |
| Wireless Communication Technology | Bluetooth |
| Speaker Size | 12 Inches |
| Power Source | DC |
| Woofer Diameter | 12 Inches |
| Customer Package Type | Standard Packaging |
| Number of Batteries | 1 12V batteries required. |
| Audio Driver Type | Dynamic Driver |
| Audio Driver Size | 12 Inches |
| Subwoofer Connectivity Technology | Wired |
| Number Of Circuits | 1 |
| UPC | 163121366568 806576217961 |
| Global Trade Identification Number | 00163121366568 |
| Manufacturer | Hifonics |
| Shape | rectangular |
| Item Weight | 7.8 pounds |
| Item model number | HFX12D4 |
| Batteries | 1 12V batteries required. |
| Is Discontinued By Manufacturer | Yes |
| Wireless Remote | No |
| Warranty | 1 YEAR |
| Weight | 8.2 Pounds |

## Product Details

- **Brand:** Hifonics
- **Speaker Maximum Output Power:** 600 Watts
- **Frequency Response:** 43 Hz
- **Connectivity Technology:** wired
- **Audio Output Mode:** Stereo

## Images

![12 Inch Subwoofer, 800 Watt Max 400 Watt RMS Speaker for Car & Powersports, HFX12D4 - Image 1](https://m.media-amazon.com/images/I/710+KPs-ejL.jpg)

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**Shop now:** [https://www.desertcart.jp/products/1167692-12-inch-subwoofer-800-watt-max-400-watt-rms-speaker](https://www.desertcart.jp/products/1167692-12-inch-subwoofer-800-watt-max-400-watt-rms-speaker)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-03-05*