---
product_id: 722123761
title: "STX Audio STX2000.5D 2000-Watt 5-Channel Class D Amplifier, 130W RMS Per Channel and 400W RMS Sub Output, MOSFET Circuit Design, Adjustable LPF and HPF for Car Audio Systems"
brand: "stx audio"
price: "A$18"
currency: AUD
in_stock: false
reviews_count: 5
url: https://www.desertcart.com.au/products/722123761-stx-audio-stx2000-5d-2000-watt-5-channel-class-d
store_origin: AU
region: Australia
---

# 2000W max power output 80%+ efficiency with thermal protection Adjustable LPF & HPF filters STX Audio STX2000.5D 2000-Watt 5-Channel Class D Amplifier, 130W RMS Per Channel and 400W RMS Sub Output, MOSFET Circuit Design, Adjustable LPF and HPF for Car Audio Systems

**Brand:** stx audio
**Price:** A$18
**Availability:** ❌ Out of Stock

## Summary

> 🎵 Unleash epic sound power and precision tuning for your ride!

## Quick Answers

- **What is this?** STX Audio STX2000.5D 2000-Watt 5-Channel Class D Amplifier, 130W RMS Per Channel and 400W RMS Sub Output, MOSFET Circuit Design, Adjustable LPF and HPF for Car Audio Systems by stx audio
- **How much does it cost?** A$18 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/722123761-stx-audio-stx2000-5d-2000-watt-5-channel-class-d)

## Best For

- stx audio enthusiasts

## Why This Product

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

## Key Features

- • **Compact & Cool:** Sleek 8.6x4.8x2 inch design with 80%+ efficiency and thermal protection keeps your setup running smooth.
- • **Bass Boost Brilliance:** Up to 12dB bass boost to make your subwoofer hit harder and deeper.
- • **Bridgeable Flexibility:** Easily bridge channels to power high-demand subwoofers and speakers with ease.
- • **Powerhouse Performance:** Delivers up to 2000 watts max power for immersive car audio experiences.
- • **Precision Sound Tuning:** Customizable low-pass (40-180Hz) and high-pass (50Hz-1.2kHz) filters for perfect audio clarity.

## Overview

The STX Audio STX2000.5D is a compact yet powerful 5-channel Class D amplifier delivering up to 2000 watts max power with 130W RMS per channel and 400W RMS subwoofer output. Featuring adjustable low-pass and high-pass filters, bass boost control, and bridgeable channels, it offers versatile sound customization for car audio enthusiasts. Built with durable SMT components and double-sided FR-4 PCB, it ensures reliable performance and over 80% efficiency with thermal protection, making it a top-tier choice for high-quality, space-saving car audio amplification.

## Description

The STX2000.5D is designed for car audio enthusiasts who need a powerful 5-channel amplifier that delivers versatility and precision. With a total max power of 2000 watts, this Class D amplifier delivers RMS power of 80W x 4 channels + 200W for a subwoofer @ 4 ohms, and 130W x 4 channels + 400W for a subwoofer @ 2 ohms, making it an excellent choice for powering a full range of speakers and subwoofers. Constructed using high-quality SMT components and a double-sided FR-4 PCB, the STX2000.5D ensures reliable performance and durability. It also features adjustable low-pass and high-pass filters for complete sound customization, with filter ranges from 40Hz to 180Hz and 50Hz to 1.2kHz. Bass lovers will appreciate the adjustable bass boost control, allowing up to 12dB of boost for deeper, more powerful bass. For demanding setups, the STX2000.5D is fully bridgeable, providing even more power for subwoofers or other high-power speaker configurations. Safety is ensured with overload, short circuit, and thermal protection systems. The amplifier is also incredibly efficient, with over 80% efficiency and thermal protection rated at 80°C (176°F), keeping it cool under pressure. With compact dimensions of 8.6 x 4.8 x 2 inches, it fits neatly into most car audio setups, delivering powerful, efficient sound without taking up much space.

Review: Great Product
Review: nice quality amp

## Features

- High Power 5-Channel Output: The STX2000.5D amplifier delivers up to 2000 watts of max power, with RMS power of 80W x 4 + 200W @ 4 ohms and 130W x 4 + 400W @ 2 ohms, providing versatile power for subwoofers and speakers.
- High-Quality Design: Built using double-sided FR-4 PCB and SMT components for reliable, high-performance audio in your car, ensuring long-lasting durability and stability.
- Advanced Sound Control: Features adjustable low-pass (40Hz-180Hz) and high-pass filters (50Hz-1.2kHz) for precise sound tuning, along with bass boost control (0-12dB) for added punch.
- Bridgeable Performance: The STX2000.5D allows bridgeable configurations for increased power output, making it perfect for high-power subwoofer applications and versatile sound setups.
- Compact & Efficient: With over 80% efficiency, thermal protection at 80°C (176°F), and compact dimensions of 8.6 x 4.8 x 2 inches, this amplifier is designed to save space while delivering high-quality sound.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DKB53T34 |
| Brand | STX Audio |
| Brand Name | STX Audio |
| Customer Reviews | 4.7 out of 5 stars 16 Reviews |
| Included Components | STX2000.5D |
| Manufacturer | STX Audio |
| Model | STX2000.5D |
| Mounting Type | Freestanding |
| Mounting type | Freestanding |
| Number of Channels | 5 |
| Number of channels | 5 |
| Operating Temperature | 8E+1 Degrees Celsius |
| Operating temperature | 8E+1 Degrees Celsius |
| Output Power | 2E+3 Watts |
| Output power | 2E+3 Watts |
| UPC | 783501162636 |

## Product Details

- **Brand:** STX Audio
- **Manufacturer:** STX Audio
- **Mounting type:** Freestanding
- **Number of channels:** 5
- **Operating temperature:** 8E+1 Degrees Celsius

## Images

![STX Audio STX2000.5D 2000-Watt 5-Channel Class D Amplifier, 130W RMS Per Channel and 400W RMS Sub Output, MOSFET Circuit Design, Adjustable LPF and HPF for Car Audio Systems - Image 1](https://m.media-amazon.com/images/I/61-OGYrPzLL.jpg)
![STX Audio STX2000.5D 2000-Watt 5-Channel Class D Amplifier, 130W RMS Per Channel and 400W RMS Sub Output, MOSFET Circuit Design, Adjustable LPF and HPF for Car Audio Systems - Image 2](https://m.media-amazon.com/images/I/610-s4BARmL.jpg)
![STX Audio STX2000.5D 2000-Watt 5-Channel Class D Amplifier, 130W RMS Per Channel and 400W RMS Sub Output, MOSFET Circuit Design, Adjustable LPF and HPF for Car Audio Systems - Image 3](https://m.media-amazon.com/images/I/61MvDyDdP9L.jpg)
![STX Audio STX2000.5D 2000-Watt 5-Channel Class D Amplifier, 130W RMS Per Channel and 400W RMS Sub Output, MOSFET Circuit Design, Adjustable LPF and HPF for Car Audio Systems - Image 4](https://m.media-amazon.com/images/I/61U1vag5cYL.jpg)
![STX Audio STX2000.5D 2000-Watt 5-Channel Class D Amplifier, 130W RMS Per Channel and 400W RMS Sub Output, MOSFET Circuit Design, Adjustable LPF and HPF for Car Audio Systems - Image 5](https://m.media-amazon.com/images/I/61bAMvxlRZL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great Product
*by J***A on 18 July 2025*



### ⭐⭐⭐⭐⭐ nice quality amp
*by C***T on 29 March 2025*



### ⭐⭐⭐⭐⭐ Almost perfect for an all in one solution
*by A***R on 18 January 2025*



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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-21*