---
product_id: 184817391
title: "SOUND Q QUBED SoundQubed HDX3 Series 3000 Watts Max Power Subwoofer 18 Inch Dual 1 ohm Sub Car Audio Car Stereo System Bass Loud Audio 1500 watt rms Professional subwoofer"
brand: "sound q qubed"
price: "$2020.44"
currency: USD
in_stock: true
category: "Sound Q Qubed"
url: https://www.desertcart.us/products/184817391-sound-q-qubed-soundqubed-hdx3-series-3000-watts-max-power
store_origin: US
region: United States of America
---

# 3000W Peak Power 300 oz Magnet Cast Aluminum Frame SOUND Q QUBED SoundQubed HDX3 Series 3000 Watts Max Power Subwoofer 18 Inch Dual 1 ohm Sub Car Audio Car Stereo System Bass Loud Audio 1500 watt rms Professional subwoofer

**Brand:** sound q qubed
**Price:** $2020.44
**Availability:** ✅ In Stock

## Summary

> 🎶 Dominate the streets with bass that speaks louder than words.

## Quick Answers

- **What is this?** SOUND Q QUBED SoundQubed HDX3 Series 3000 Watts Max Power Subwoofer 18 Inch Dual 1 ohm Sub Car Audio Car Stereo System Bass Loud Audio 1500 watt rms Professional subwoofer by sound q qubed
- **How much does it cost?** $2020.44 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/184817391-sound-q-qubed-soundqubed-hdx3-series-3000-watts-max-power)

## Best For

- sound q qubed enthusiasts

## Why This Product

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

## Key Features

- • **Seamless Integration:** Bluetooth and voice control compatibility for a modern, connected audio experience.
- • **Unmatched Bass Power:** Feel every beat with 3000 watts peak and 1500 watts RMS—your car’s new heartbeat.
- • **Precision Engineering:** Cast aluminum frame and pulp-blend cones deliver durability and crystal-clear bass accuracy.
- • **Advanced Cooling System:** Double slit vent and high-temp resin keep your subwoofer cool under pressure for nonstop performance.
- • **Heavy-Duty Magnet Magic:** 300 oz magnet ensures deep, thunderous lows that command attention.

## Overview

The SOUND Q QUBED HDX3 Series 18-inch subwoofer delivers professional-grade bass with a powerful 3000 watts peak and 1500 watts RMS output. Featuring a massive 300 oz magnet, a robust 3-inch voice coil, and a cast aluminum frame, it’s engineered for durability and precision. Advanced cooling technology ensures consistent performance, while Bluetooth and voice control compatibility bring modern convenience to your car audio setup.

## Description

Soundqubed HDX3 series subwoofers are made for the everyday bass head looking for some power but, not trying to break the bank. The HDX3 series comes with a 300 ounce magnet that is designed with a 3" voice coil to handle the power yo uwant to give it, with ease. HDX standing for Heavy Duty Xtreme, is just that. A subwoofer built with the complete package, to be ran and cool down efficeintly. This is achieved by a thick top plate, high motor force, and a tight gap for high-efficiency. A taller, cast aluminum frame was designed for a larger diameter spider for lower tuning capability with still achieving greater accuracy. This Series has a more robust former that is thicker. The HDX3 sereis also has a double slit vent nd higher temp resin, for better cooling options that increase the overall performance of the subwoofer. If you are runnig in the 1500 to 3000 watt gap, this is the sub for you! Just remmeber, Sounduqbed not only provides a superior product line for subwoofers. But also, a speaker line up. Thank you for looking and we look forward to exceeding your expectations. SOLD INDIVIDUALLY! quantity 1 is 1 subwoofer

## Features

- 3" voice coil
- 300 OZ MAGNET
- Cast Aluminum Frame
- Pulp-blend cones Stronger than fiberglass laminate
- 3000 Watts Peak with 1500 Watts RMS ratings

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07SGXP6K6 |
| Antenna Location | For Car Audio Systems |
| Audio Driver Size | 18 inches |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Surround |
| Brand | SOUND Q QUBED |
| Compatible Devices | Car Audio System |
| Connectivity Protocol | Bluetooth, Wireless |
| Connectivity Technology | Bluetooth |
| Control Method | Voice |
| Controller Type | Voice control |
| Frequency Response | 50 hertz |
| Global Trade Identification Number | 00850022393228 |
| Is Waterproof | FALSE |
| Item Dimensions D x W x H | 20"D x 20"W x 15"H |
| Item Weight | 31 pounds |
| Manufacturer | SoundQubed |
| Model Name | HDX318 |
| Model Number | HDX318-D1 |
| Mounting Type | Wall Mount |
| Number of Audio Channels | 5.1 |
| Number of Items | 1 |
| Power Source | Corded Electric |
| Series Number | 3 |
| Speaker Maximum Output Power | 3000 watts |
| Speaker Size | 18 inches |
| Speaker Type | Subwoofer |
| Specific Uses For Product | Car Audio Systems |
| Subwoofer Diameter | 18 inches |
| Warranty Type | Limited |
| Wireless Technology | Bluetooth |
| Woofer Diameter | 18 inches |

## Product Details

- **Audio Output Mode:** Surround
- **Brand:** SOUND Q QUBED
- **Connectivity Technology:** Bluetooth
- **Frequency Response:** 50 hertz
- **Speaker Maximum Output Power:** 3000 watts

## Images

![SOUND Q QUBED SoundQubed HDX3 Series 3000 Watts Max Power Subwoofer 18 Inch Dual 1 ohm Sub Car Audio Car Stereo System Bass Loud Audio 1500 watt rms Professional subwoofer - Image 1](https://m.media-amazon.com/images/I/51VZsi171wL.jpg)
![SOUND Q QUBED SoundQubed HDX3 Series 3000 Watts Max Power Subwoofer 18 Inch Dual 1 ohm Sub Car Audio Car Stereo System Bass Loud Audio 1500 watt rms Professional subwoofer - Image 2](https://m.media-amazon.com/images/I/717iN1mV79L.jpg)
![SOUND Q QUBED SoundQubed HDX3 Series 3000 Watts Max Power Subwoofer 18 Inch Dual 1 ohm Sub Car Audio Car Stereo System Bass Loud Audio 1500 watt rms Professional subwoofer - Image 3](https://m.media-amazon.com/images/I/51hgKIu2j6L.jpg)
![SOUND Q QUBED SoundQubed HDX3 Series 3000 Watts Max Power Subwoofer 18 Inch Dual 1 ohm Sub Car Audio Car Stereo System Bass Loud Audio 1500 watt rms Professional subwoofer - Image 4](https://m.media-amazon.com/images/I/51LCV4-amwL.jpg)
![SOUND Q QUBED SoundQubed HDX3 Series 3000 Watts Max Power Subwoofer 18 Inch Dual 1 ohm Sub Car Audio Car Stereo System Bass Loud Audio 1500 watt rms Professional subwoofer - Image 5](https://m.media-amazon.com/images/I/61ULgox4GyL.jpg)

## Available Options

This product comes in different **Size, Style** options.

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-08-23*