---
product_id: 368894631
title: "Stetsom IR400.1 2 Ohms 1 Channel IR 400 Watts RMS Amp Class D Mono Full Range Amplifier"
brand: "stetsom"
price: "S$183"
currency: SGD
in_stock: true
reviews_count: 5
category: "Stetsom"
url: https://www.desertcart.sg/products/368894631-stetsom-ir400-1-2-ohms-1-channel-ir-400-watts
store_origin: SG
region: Singapore
---

# 400W RMS Power Output Auto Turn-On Wire Input (No RCA Needed) Ultra HD 4K Audio Fidelity Stetsom IR400.1 2 Ohms 1 Channel IR 400 Watts RMS Amp Class D Mono Full Range Amplifier

**Brand:** stetsom
**Price:** S$183
**Availability:** ✅ In Stock

## Summary

> 🎵 Compact Powerhouse, Big Sound Impact!

## Quick Answers

- **What is this?** Stetsom IR400.1 2 Ohms 1 Channel IR 400 Watts RMS Amp Class D Mono Full Range Amplifier by stetsom
- **How much does it cost?** S$183 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/368894631-stetsom-ir400-1-2-ohms-1-channel-ir-400-watts)

## Best For

- stetsom enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Robust connectors and reinforced cable insulation ensure durability and stable performance on the go.
- • **Plug & Play Simplicity:** Innovative auto turn-on wire input eliminates the need for RCA cables—easy setup, zero hassle.
- • **Versatile Installation:** Seamlessly powers subwoofers, woofers, 6x9s, 2-way drivers, and tweeters for ultimate flexibility.
- • **Audiophile-Grade Clarity:** Experience Ultra HD 4K audio with sharper trebles and more defined mids for pristine sound.
- • **Power That Packs a Punch:** 400 Watts RMS delivers crystal-clear, room-filling sound with uncompromised power.

## Overview

The IR400.1 is a compact Class D mono amplifier delivering 400 Watts RMS at 2 Ohms, engineered for versatile use with subwoofers, woofers, and multi-driver setups. Featuring Ultra HD 4K audio fidelity and advanced crossovers, it ensures crisp, high-fidelity sound. Its innovative auto turn-on wire input removes the need for RCA cables, simplifying installation. Built with tough connectors and cable insulation guides, it guarantees reliable, long-lasting performance for professional-grade car audio enthusiasts.

## Description

4K AUDIO QUALITY - Ultra HD High Sound Fidelity, More Defined Meds, Sharper Treble. • Crossovers • Low Pass: 60Hz ~ 22KHz High Pass: 10Hz ~ 700Hz Reinforced Source for STRONGER ENGRAVES • ROBUST CONNECTORS • With Cable Insulation Guide (GIC) • Versatility in Installation • Subwoofers Woofers Original Kits / 6″ / 6×9″ 2-Way Kits Association Subwoofers of Drivers & Tweeters NEW MOST COMPACT TECH

Review: Small with big punch - Awesome compact amplifier. You must have the proper voltage for quality performance.
Review: Ótimo - Perfeito

## Features

- Usage Versatility (Subwoofers, Woofers, 6", 6x9", 2way, Drivers & Tweeters)
- 4k Audio Quality - Ultra HD
- Crossovers (Low Pass & High Pass)
- Tough Connectors
- New wire input with auto turnon (NO RCA NEEDED)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0977NZ963 |
| Best Sellers Rank | #142,646 in Electronics ( See Top 100 in Electronics ) #59 in Car Audio & Video Mono Amplifiers |
| Brand | Stetsom |
| Customer Reviews | 4.4 out of 5 stars 91 Reviews |
| Item Weight | 549 g |
| Manufacturer | Stetsom |
| Mfr Part Number | 2748 |
| Model Number | IR400.1 |

## Product Details

- **Item dimensions L x W x H:** 13 x 11.9 x 5.6 centimeters
- **Manufacturer:** Stetsom
- **Maximum supply voltage:** 14.4 Volts
- **Minimum supply voltage:** 9 Volts (DC)
- **Voltage:** 13.8 Volts

## Images

![Stetsom IR400.1 2 Ohms 1 Channel IR 400 Watts RMS Amp Class D Mono Full Range Amplifier - Image 1](https://m.media-amazon.com/images/I/61LHRK4ZgOS.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Small with big punch
*by A***R on 10 January 2026*

Awesome compact amplifier. You must have the proper voltage for quality performance.

### ⭐⭐⭐⭐⭐ Ótimo
*by R***I on 26 December 2023*

Perfeito

### ⭐⭐⭐⭐⭐ Great little amp.
*by A***R on 11 June 2026*

Awesome people can't believe this Little amp pounds they way it does.

## Frequently Bought Together

- Stetsom IR 400.1 2 Ohms Compact Digital Mono Amplifier, Iron LINE, 400 Watts RMS 400x1, 2Ω Stable, Monoblock Digital Car Audio Amp TS, Full-Range Sound Quality, Crossover
- Stetsom IR 400.4 2 Ohms Compact Digital 4 Channels Amplifier, Iron LINE, 400 Watts RMS 400x4, 2Ω Stable, Multichannel Digital Car Audio Amp TS, Full-Range Sound Quality, Crossover
- BOSS Audio Systems KIT2 8 Gauge Complete Car Amplifier Installation Wiring Kit with Power Cables, Ground Cables, Turn-On Wire, Speaker Wire, Terminals

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**Shop now:** [https://www.desertcart.sg/products/368894631-stetsom-ir400-1-2-ohms-1-channel-ir-400-watts](https://www.desertcart.sg/products/368894631-stetsom-ir400-1-2-ohms-1-channel-ir-400-watts)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-08-23*