---
product_id: 160533275
title: "KS118 Active 18\" Subwoofer"
brand: "qsc"
price: "73389 kr"
currency: NOK
in_stock: true
reviews_count: 13
category: "Qsc"
url: https://www.desertcart.no/products/160533275-ks118-active-18-subwoofer
store_origin: NO
region: Norway
---

# 18-inch Direct Radiating Driver 3600W Class D Amp On-board DSP with Cardioid Array KS118 Active 18" Subwoofer

**Brand:** qsc
**Price:** 73389 kr
**Availability:** ✅ In Stock

## Summary

> 🎵 Unleash the Bass Beast – Own the Night with QSC KS118!

## Quick Answers

- **What is this?** KS118 Active 18" Subwoofer by qsc
- **How much does it cost?** 73389 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.no](https://www.desertcart.no/products/160533275-ks118-active-18-subwoofer)

## Best For

- qsc enthusiasts

## Why This Product

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

## Key Features

- • **Monster Bass Output:** Feel the earth-shaking 136dB SPL that commands every event.
- • **Versatile Deployment:** M20 pole mount and cardioid array options for perfect stage and venue integration.
- • **Deep, Musical Low-End:** Selectable DEEP mode delivers ultra-low frequencies that fill rooms with rich, punchy bass.
- • **Precision DSP Control:** Optimize and protect your sound with advanced onboard digital signal processing.
- • **Pro-Grade Portability:** Rugged enclosure with low-noise casters and ergonomic handles for effortless transport.

## Overview

The QSC KS118 is a professional 18-inch active subwoofer powered by a 3600W Class D amplifier, delivering up to 136dB SPL with deep, musical low frequencies. Featuring advanced onboard DSP for system optimization and cardioid array capability, it’s designed for mobile entertainment, AV production, clubs, and performance venues. Its rugged, transport-friendly design includes low-noise casters, ergonomic handles, and an M20 pole mount for versatile setup. Perfect for pros demanding powerful, precise bass with reliable road-ready durability.

## Description

The KS118 is a very high output active subwoofer producing impressive low frequencies for mobile entertainment, AV production, clubs and performance venues. Featuring an 18-inch direct radiating driver powered by a 3600 watt class D amplifier, the KS118 delivers high sound pressure levels with dynamic and musical sound reproduction of very low frequencies. On-board DSP optimizes and protects system performance as well as offers advanced capabilities such as the ability to array two units in a cardioid arrangement. Highly transportable, the rugged enclosure features comfortable handles and four low noise casters. An M20 Threaded pole receptacle accepts a 35 mm pole for easy vertical deployment with full-range loudspeakers.

Review: Very powerfull subwoofer - I will give it 5 star. Because I am using this subwoofer since 2020 and I can confirm that this is a monster. The punches that it gives is superior than a lot of double speaker sub. I would like to buy another one, but unfortunately the price plus shipping to Angola can cost over 5.000$. The only thing that I can do is just see it on desertcart. But if you buy it you wont be disapointed.
Review: Powerful Sub for Mobile DJ Events - The QSC KS118 is a beast of an 18-inch powered subwoofer, delivering chest-thumping bass down to 35Hz that’s ideal for weddings, parties, and larger gigs in my mobile DJ setup. Its 3,600W Class D amp drives massive SPL up to 136dB peak, pairing perfectly with QSC tops like my KC12s for full-range punch. Key Strengths • Deep extension in DEEP mode and cardioid array option (with 2+ units) rejects rear sound, keeping bass focused on the dance floor without stage bleed. • Built-in DSP with presets, gain control, and low-noise fan make setup simple for quick loads in Western NY venues up to 60 miles out. • Rugged plywood cabinet with casters (77 lbs) handles road abuse; M20 pole mount stacks easily with mains. Most Important to Know Omni or cardioid modes optimize for any space—cardioid shines for stage use. Runs clean even pushed hard, with musical lows that fill rooms effortlessly for all genres. What Other Customers Should Know Pros like DJs rave about its output-to-size ratio over older models; EQ right and it thumps without distortion.

## Features

- A very high output active subwoofer producing impressive low frequencies for mobile entertainment, AV production, clubs and performance venues
- Features an 18" direct radiating driver powered by a 3600W Class D amp, to deliver high SPL with dynamic and musical sound reproduction of very low frequencies
- On-board DSP optimizes and protects system performance as well as offers advanced capabilities such as the ability to array two units in a cardioid arrangement
- Highly transportable, the rugged enclosure features comfortable handles with a professional and elegant appearance in any application, plus four low noise casters
- An M20 threaded pole receptacle accepts a 35 mm pole for easy vertical deployment with full-range loudspeakers
- Features a selectable DEEP mode for extremely low frequency extension as well as adjustable crossover and delay
- Optional KS-LOC security cover prevents unauthorized tampering of controls

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07WHKCZJR |
| Additional Features | Bass Boost |
| Age Range Description | Adult |
| Antenna Location | Musical |
| Audio Driver Size | 18 inches |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Omnidirectional |
| Best Sellers Rank | #22,153 in Musical Instruments ( See Top 100 in Musical Instruments ) #16 in Stage Subwoofers |
| Brand | QSC |
| Built-In Media | Subwoofer |
| Color | NEGRO |
| Compatible Devices | Smartphone, Tablet, Laptop |
| Compatible with Vehicle Type | Car |
| Connectivity Protocol | Bluetooth |
| Connectivity Technology | RCA , XLR |
| Control Method | Touch |
| Controller Type | Corded Electric |
| Customer Package Type | FFP |
| Customer Reviews | 4.4 out of 5 stars 74 Reviews |
| Enclosure Material | Plastic Or Metal |
| Frequency Response | 98 hertz |
| Is Waterproof | FALSE |
| Item Dimensions D x W x H | 36"D x 30"W x 23"H |
| Item Type Name | Subwoofer |
| Item Weight | 104 pounds |
| Manufacturer | QSC |
| Model Name | KS118 Active 18" |
| Model Number | KS118 |
| Mounting Type | Pole Mount |
| Number of Audio Channels | 2 |
| Number of Items | 1 |
| Number of Power Levels | 1 |
| Power Source | Corded Electric |
| Speaker Maximum Output Power | 3600 watts |
| Speaker Size | 18 inches |
| Speaker Type | Subwoofer |
| Specific Uses For Product | mobile entertainment, AV production, clubs, performance venues |
| Subwoofer Connectivity Technology | Wired |
| Subwoofer Diameter | 18 inches |
| Tweeter Diameter | 1 inches |
| UPC | 684284076199 |
| Unit Count | 1 Count |
| Warranty Description | 6-Year Warranty with product registration |
| Warranty Type | Limited |
| Wireless Technology | Bluetooth |
| Woofer Diameter | 18 inches |

## Product Details

- **Audio Output Mode:** Omnidirectional
- **Brand:** QSC
- **Connectivity Technology:** RCA, XLR
- **Frequency Response:** 98 hertz
- **Speaker Maximum Output Power:** 3600 watts

## Images

![KS118 Active 18" Subwoofer - Image 1](https://m.media-amazon.com/images/I/610gF8PCsJL.jpg)

## Questions & Answers

**Q: What do you pair the ks118 with**
A: The QSC K12.2 is quite simply, the next standard in powered loudspeaker. It's equipped with a 2000-watt power module carefully matched to high-performance woofers and compression drivers.  These would be a great fit.

**Q: Does this have a universal power from 100-240 volt AC thank you**
A: Yes it should auto detect

**Q: RMS watts?**
A: 3200 peak RMS is unclear since it’s a class D

**Q: Is the power cord included?**
A: Power Cord included

## Customer Reviews

### ⭐⭐⭐⭐⭐ Very powerfull subwoofer
*by B***O on July 24, 2026*

I will give it 5 star. Because I am using this subwoofer since 2020 and I can confirm that this is a monster. The punches that it gives is superior than a lot of double speaker sub. I would like to buy another one, but unfortunately the price plus shipping to Angola can cost over 5.000$. The only thing that I can do is just see it on Amazon. But if you buy it you wont be disapointed.

### ⭐⭐⭐⭐⭐ Powerful Sub for Mobile DJ Events
*by A***A on February 21, 2026*

The QSC KS118 is a beast of an 18-inch powered subwoofer, delivering chest-thumping bass down to 35Hz that’s ideal for weddings, parties, and larger gigs in my mobile DJ setup. Its 3,600W Class D amp drives massive SPL up to 136dB peak, pairing perfectly with QSC tops like my KC12s for full-range punch. Key Strengths • Deep extension in DEEP mode and cardioid array option (with 2+ units) rejects rear sound, keeping bass focused on the dance floor without stage bleed. • Built-in DSP with presets, gain control, and low-noise fan make setup simple for quick loads in Western NY venues up to 60 miles out. • Rugged plywood cabinet with casters (77 lbs) handles road abuse; M20 pole mount stacks easily with mains. Most Important to Know Omni or cardioid modes optimize for any space—cardioid shines for stage use. Runs clean even pushed hard, with musical lows that fill rooms effortlessly for all genres. What Other Customers Should Know Pros like DJs rave about its output-to-size ratio over older models; EQ right and it thumps without distortion.

### ⭐⭐⭐⭐⭐ Powerful portable Great quality
*by J***A on January 31, 2026*

Love this Sub. Great sound and response. Powerful

## Frequently Bought Together

- QSC KS118 Active 18" Subwoofer
- QSC K12.2 Active 12"" Powered 2000 Watt Loudspeaker, Multicolored

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**Shop now:** [https://www.desertcart.no/products/160533275-ks118-active-18-subwoofer](https://www.desertcart.no/products/160533275-ks118-active-18-subwoofer)

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*Product available on Desertcart Norway*
*Store origin: NO*
*Last updated: 2026-09-19*