---
product_id: 594745475
title: "QT18S 18\" Passive Subwoofer Speaker 500W"
brand: "qtx sound"
price: "A$922"
currency: AUD
in_stock: true
category: "Qtx Sound"
url: https://www.desertcart.com.au/products/594745475-qt18s-18-passive-subwoofer-speaker-500w
store_origin: AU
region: Australia
---

# Corded electric power source 18-inch subwoofer diameter 500W power output QT18S 18" Passive Subwoofer Speaker 500W

**Brand:** qtx sound
**Price:** A$922
**Availability:** ✅ In Stock

## Summary

> 🔊 Feel the Pulse, Own the Room!

## Quick Answers

- **What is this?** QT18S 18" Passive Subwoofer Speaker 500W by qtx sound
- **How much does it cost?** A$922 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/594745475-qt18s-18-passive-subwoofer-speaker-500w)

## Best For

- qtx sound enthusiasts

## Why This Product

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

## Key Features

- • **Effortless Control:** Remote control compatibility adds convenience to your sound management.
- • **Powerful 500W Output:** Unleash professional-grade sound intensity that elevates every event or setup.
- • **Seamless Integration:** Passive design lets you pair with your preferred amplifier for tailored audio control.
- • **Deep, Room-Filling Bass:** Experience thunderous low frequencies with the massive 18-inch driver that commands attention.
- • **Robust Build for Durability:** Heavy-duty construction ensures your subwoofer withstands the rigors of frequent use and transport.

## Overview

The QTX Sound QT18S is a professional 18-inch passive subwoofer delivering 500 watts of powerful bass. Designed for audiophiles and event pros, it offers deep resonance and robust build quality, perfect for enhancing any sound system with rich low-end impact.

## Description

The QT18S is a large 18 inch sub woofer / bass bin from QTX Sound which offers deep resonance for yo

## Features

- Qtx Sound Qt18S 18 Passive Subwoofer Speaker 500W
- Product Type: Speakers
- Brand: Qtx Sound

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B009L3USMW |
| Best Sellers Rank | 227,374 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 340 in Hi-Fi Subwoofers |
| Control method | Remote |
| Department | men, women |
| Guaranteed software updates until | unknown |
| Is waterproof | False |
| Item model number | QT18S |
| Item weight | 18 Kilograms |
| Manufacturer | QTX Sound |
| Number of items | 1 |
| Power source | Corded Electric |
| Product Dimensions | 7.2 x 5.2 x 6.3 cm; 18 kg |
| Speaker size | 18 Inches |
| Subwoofer diameter | 18 Inches |
| Surround-sound channel configuration | 1.0 |
| Warranty type | Limited |
| Wireless communication technology | Bluetooth |

## Product Details

- **Audio output mode:** Surround
- **Brand:** qtx sound
- **Compatible devices:** Personal Computer
- **Connectivity technology:** Bluetooth
- **Model name:** QT18S
- **Mounting type:** Tabletop
- **Recommended uses for product:** For computers
- **Speaker maximum output power:** 500 Watts
- **Speaker type:** Subwoofer
- **Special feature:** Amplifier

## Images

![QT18S 18" Passive Subwoofer Speaker 500W - Image 1](https://m.media-amazon.com/images/I/719aQxSbrDL.jpg)

## Frequently Bought Together

- QTX Sound QT18S 18" Passive Subwoofer Speaker 500W
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- Amazon Basics 2 RCA Audio Cable for Amplifier,Active Speakers or Subwoofer with Gold-Plated Plugs, 1.22 m, Black

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**Shop now:** [https://www.desertcart.com.au/products/594745475-qt18s-18-passive-subwoofer-speaker-500w](https://www.desertcart.com.au/products/594745475-qt18s-18-passive-subwoofer-speaker-500w)

---

*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-01-22*