---
product_id: 689944757
title: "TX18S 900W 18-inch Subwoofer, DSP-Enhanced Powered PA Speaker with 3-inch Voice Coil, Superior Bass, Easy Setup"
brand: "alto"
price: "€ 2245.91"
currency: EUR
in_stock: true
reviews_count: 8
category: "Alto"
url: https://www.desertcart.fi/products/689944757-tx18s-900w-18-inch-subwoofer-dsp-enhanced-powered-pa-speaker
store_origin: FI
region: Finland
---

# 900W Power Output Portable with Handles & Casters DSP-Enhanced EQ & Filters TX18S 900W 18-inch Subwoofer, DSP-Enhanced Powered PA Speaker with 3-inch Voice Coil, Superior Bass, Easy Setup

**Brand:** alto
**Price:** € 2245.91
**Availability:** ✅ In Stock

## Summary

> 🎵 Own the bass, own the night — ALTO TX18S brings the power you crave.

## Quick Answers

- **What is this?** TX18S 900W 18-inch Subwoofer, DSP-Enhanced Powered PA Speaker with 3-inch Voice Coil, Superior Bass, Easy Setup by alto
- **How much does it cost?** € 2245.91 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/689944757-tx18s-900w-18-inch-subwoofer-dsp-enhanced-powered-pa-speaker)

## Best For

- alto enthusiasts

## Why This Product

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

## Key Features

- • **Built for the Road:** Rugged fiberboard cabinet with metal grille, side handles, and caster-ready design for easy transport and durability.
- • **Thunderous 900W Bass:** Feel the room shake with a powerful 18-inch woofer and 3-inch voice coil delivering deep, immersive low-end.
- • **Precision DSP Control:** Customize your sound effortlessly with selectable low-pass filters and DSP-based EQ for flawless integration.
- • **Versatile Venue Ready:** Optimized for DJs, musicians, and events — from nightclubs to houses of worship, command any crowd with confidence.
- • **Plug & Play Simplicity:** No tech degree needed — quick setup and intuitive controls get you booming bass in minutes.

## Overview

The ALTO TX18S is a 900W powered subwoofer featuring an 18-inch woofer and 3-inch voice coil, enhanced by DSP-based EQ and selectable low-pass filters for precise bass control. Designed for professional DJs and live events, it offers rugged portability with side handles and caster compatibility, delivering deep, thunderous bass with easy setup and durable construction.

## Description

Free delivery and returns on eligible orders of £20 or more. Buy ALTO TX18S 900W 18-inch Subwoofer, DSP-Enhanced Powered PA Speaker with 3-inch Voice Coil, Superior Bass, Easy Setup at desertcart UK.

Review: Definitely worth the buy - Great speaker, very powerful especially in rooms/events of around 50 people. Havent tried outside but the sound and volume is amazing indoors. Bluetooth works great and build quality is very solid
Review: Sound - Sound is perfect

## Features

- Sonic Might for Your PA System - 900W subwoofer with 18-inch high-output woofer, 3-inch voice coil and ultra-efficient Class-D amplifier, extending the low-end frequencies, adding bass to your sound
- Rock-Solid Sound - Featuring DSP-based EQ and protection, and selectable Low Pass Filters to switch the frequency response and seamlessly integrate with any speaker
- For DJs and Musicians Alike - Selectable Music-Live voicing modes easily handle deep bass frequencies and project them into any large-scale venue, nightclub, house of worship, or place of business
- The Anchor of Your Sound - Extended thunderous bass and selectable DSP Low Pass Filter of 80Hz-100Hz-120Hz at 24dB per octave; hook up to Powered Speakers or DJ setup and shake your crowd every time
- Optimized for Portability - This active sub comes with convenient side handles and caster threads at the rear of the cabinet for easy transportation even at 87.7 lbs-39.8 kg (casters sold separately)
- Built to Last - Rugged, front-ported cabinet made from durable, resonant-free fiberboard, with heavy-use splatter-spray finish and full metal grille, integrated 36mm pole socket, overload protection
- Input Power - TX18S works in countries with 220/240V; 50/60 Hz
- Precision Engineered - This subwoofer and all other products in the TX Series are designed and tuned in the USA
- Easy Setup and Customization - No need for technical expertise to achieve optimal sound quality

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DP7R7XQY |
| Antenna Location | For professional audio setups, DJ equipment, PA systems |
| Audio Driver Size | 18 Inches |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Stereo |
| Audio output mode | Stereo |
| Best Sellers Rank | 1,450 in Musical Instruments & DJ ( See Top 100 in Musical Instruments & DJ ) 9 in PA-Systems 14 in PA Subwoofer |
| Box Contents | TX18S |
| Brand | ALTO |
| Brand Name | ALTO |
| Colour | Black |
| Compatible Devices | DJ Mixer, Powered Speakers |
| Connectivity Protocol | XLR |
| Connectivity technology | XLR |
| Control Method | Touch |
| Country of Origin | China |
| Customer Reviews | 4.4 out of 5 stars 1,124 Reviews |
| Enclosure Material | Wood |
| Frequency Response | 100 Hz |
| Frequency response | 100 Hz |
| Input Voltage | 120 Volts |
| Input voltage | 120 Volts |
| Is Waterproof | False |
| Item Dimensions D x W x H | 58.5D x 58.5W x 58.5H centimetres |
| Item Weight | 37.6 Kilograms |
| Manufacturer | inMusic Europe Limited |
| Maximum Speaker Output Power (in watts) | 900 Watts |
| Model Name | TX18S |
| Model Number | TX18S |
| Mounting Type | Floor Standing |
| Network Connectivity Technology | XLR |
| Number of Audio Channels | 1.0 |
| Number of Items | 1 |
| Power Source | Corded Electric |
| Product Features | DSP based EQ, selectable low-pass filter, portable, durable |
| Product Warranty | 12 months manufacturer |
| Speaker Size | 18 Inches |
| Speaker Type | Subwoofer |
| Speaker maximum output power | 900 Watts |
| Specific Uses For Product | Live performances, Events, Public spaces |
| Subwoofer Connectivity Technology | Wired |
| Subwoofer Speaker Diameter | 18 Inches |
| UPC | 816311012355 |
| Unit Count | 1.0 Count |
| Warranty Type | Limited |
| Wireless Technology Type | No Wireless Communication Technology |
| Woofer Driver Diameter | 18 Inches |

## Product Details

- **Audio output mode:** Stereo
- **Brand:** ALTO
- **Connectivity technology:** XLR
- **Frequency response:** 100 Hz
- **Input voltage:** 120 Volts
- **Material:** Wood
- **Model name:** TX18S
- **Mounting type:** Floor Standing
- **Speaker maximum output power:** 900 Watts
- **Speaker type:** Subwoofer

## Images

![TX18S 900W 18-inch Subwoofer, DSP-Enhanced Powered PA Speaker with 3-inch Voice Coil, Superior Bass, Easy Setup - Image 1](https://m.media-amazon.com/images/I/91TxtQhtBDL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Definitely worth the buy
*by O***H on 1 February 2026*

Great speaker, very powerful especially in rooms/events of around 50 people. Havent tried outside but the sound and volume is amazing indoors. Bluetooth works great and build quality is very solid

### ⭐⭐⭐⭐⭐ Sound
*by N***A on 5 December 2025*

Sound is perfect

### ⭐⭐⭐⭐⭐ Superb speaker
*by M***S on 9 August 2025*

These aren't light, but the sound quality is superb. I use with a guitar modelling pedal and these produce a far better sound than the FRFR speakers I've tried along with significantly more volume.

## Frequently Bought Together

- ALTO TX18S - 900W 18-inch Subwoofer, DSP-Enhanced Powered PA Speaker with 3-inch Voice Coil, Superior Bass, Easy Setup
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- Amazon Basics Speaker Stand, Holds up to 99.2 lbs, Adjustable Height 52" to 73", Steel, Black

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**Shop now:** [https://www.desertcart.fi/products/689944757-tx18s-900w-18-inch-subwoofer-dsp-enhanced-powered-pa-speaker](https://www.desertcart.fi/products/689944757-tx18s-900w-18-inch-subwoofer-dsp-enhanced-powered-pa-speaker)

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*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-03-08*