---
product_id: 534126237
title: "Soundstream RSM1.4000D, Compact Class-D Subwoofer Amplifier, 4,000 Watts Small Monoblock Amplifier, 1,200 Watts RMS 1 Channel 1 Ohm Stable Car Amp"
brand: "soundstream"
price: "3664 kr"
currency: NOK
in_stock: true
category: "Soundstream"
url: https://www.desertcart.no/products/534126237-soundstream-rsm1-4000d-compact-class-d-subwoofer-amplifier-4-000
store_origin: NO
region: Norway
---

# 4,000W peak power Compact 3.75"W x 9"L size 1,200W RMS @ 1Ω stable Soundstream RSM1.4000D, Compact Class-D Subwoofer Amplifier, 4,000 Watts Small Monoblock Amplifier, 1,200 Watts RMS 1 Channel 1 Ohm Stable Car Amp

**Brand:** soundstream
**Price:** 3664 kr
**Availability:** ✅ In Stock

## Summary

> 🔊 Compact Powerhouse: Big Bass, Small Footprint, Zero Compromise!

## Quick Answers

- **What is this?** Soundstream RSM1.4000D, Compact Class-D Subwoofer Amplifier, 4,000 Watts Small Monoblock Amplifier, 1,200 Watts RMS 1 Channel 1 Ohm Stable Car Amp by soundstream
- **How much does it cost?** 3664 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/534126237-soundstream-rsm1-4000d-compact-class-d-subwoofer-amplifier-4-000)

## Best For

- soundstream enthusiasts

## Why This Product

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

## Key Features

- • **Heat? What Heat?:** Hybrid aluminum alloy heatsink ensures cool operation even under pressure.
- • **Powerhouse in a Pocket:** Delivers thunderous 4,000 watts peak power without sacrificing space.
- • **Precision Bass Control:** Variable low-pass and subsonic filters plus 12dB bass boost for tailored sound.
- • **Built to Last & Protect:** Automatic turn-on, short/thermal/overload protection for worry-free, long-lasting performance.
- • **Plug & Play Convenience:** Includes wired dash bass knob and versatile RCA & speaker-level inputs for seamless setup.

## Overview

The Soundstream RSM1.4000D is a compact Class-D monoblock amplifier engineered for car audio enthusiasts who demand high power in a small package. Rated at 1,200 watts RMS at 1 ohm and capable of 4,000 watts peak output, it features advanced bass tuning controls, robust thermal management, and multiple input options. Designed for easy installation with a wired remote bass knob and built-in protections, this amp delivers premium sound performance without sacrificing space or reliability.

## Description

desertcart.com: Soundstream RSM1.4000D, Compact Class-D Subwoofer Amplifier, 4,000 Watts Small Monoblock Amplifier, 1,200 Watts RMS 1 Channel 1 Ohm Stable Car Amp : Electronics

## Features

- Product Highlights: Reserve series 1-channel amplifier with class-d technology. Compact subwoofer amp with a single monoblock channel with the following specs, variable low-pass filters (35-250 Hz, 12 dB/octave) | variable subsonic filters (10-50 Hz, 12 dB/octave) | variable bass boost (0-12 dB, at 45 Hz) | Frequency Response 10-250 Hz
- Other Features: This car stereo amplifier comes with a wired dash bass knob, RCA and Speaker-Level inputs and a Fuse rating of 30A x 3. The dimensions as follows 3.75″W x 1.75″H x 9″L. Power rating listed at 1-ohm Minimum Impedance monoblock operation
- More Features: Compact amplifier is equipped with automatic turn-on, hi-level signal sensing and direct short, thermal, and overload circuits protection. This bass amplifier comes in a hybrid aluminum alloy heatsink for optimum dissipation. It also has 250mV – 8V high-level speaker input or low-level RCA input
- Inside the Box: Inside you will find a 1-Channel amplifier, the owners manual, spare 30A fuses, (2) 8″ line level input harnesses and wired remote bass knob w/ 18ft cable
- Soundstream Reserve Series: Products specifically developed to provide consumers with today’s preferred features such as; Source units with various app ready solutions, premium digital amplifiers, and subwoofers to make your hair stand up. Quality is continuously in our DNA; at Soundstream, we wanted to fully commit a line of products designed specifically for our most knowledgeable dealers to bring detailed information, continuous support, along with features you’ll LOVE.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0B7CDY6YH |
| Best Sellers Rank | #184,041 in Electronics ( See Top 100 in Electronics ) #381 in Car Mono Amplifiers |
| Brand | Soundstream |
| Built-In Media | Manual, Bass Knob, Input Harness, Spare Fuses |
| Customer Reviews | 4.5 out of 5 stars 51 Reviews |
| Item Weight | 1.54 kg |
| Manufacturer | Soundstream |
| Mfr Part Number | RSM1-4000D |
| Model Number | RSM1.4000D |
| Number of Items | 1 |
| Unit Count | 1 Count |

## Product Details

- **Item dimensions L x W x H:** 9 x 3.75 x 1.75 inches
- **Manufacturer:** Soundstream
- **Maximum Supply Voltage:** 14.4 Volts
- **Mounting Type:** Surface Mount
- **Voltage:** 8 Volts

## Images

![Soundstream RSM1.4000D, Compact Class-D Subwoofer Amplifier, 4,000 Watts Small Monoblock Amplifier, 1,200 Watts RMS 1 Channel 1 Ohm Stable Car Amp - Image 1](https://m.media-amazon.com/images/I/51jg4rxQvvL.jpg)
![Soundstream RSM1.4000D, Compact Class-D Subwoofer Amplifier, 4,000 Watts Small Monoblock Amplifier, 1,200 Watts RMS 1 Channel 1 Ohm Stable Car Amp - Image 2](https://m.media-amazon.com/images/I/91bu0-le53L.jpg)
![Soundstream RSM1.4000D, Compact Class-D Subwoofer Amplifier, 4,000 Watts Small Monoblock Amplifier, 1,200 Watts RMS 1 Channel 1 Ohm Stable Car Amp - Image 3](https://m.media-amazon.com/images/I/71LPaS66PDL.jpg)
![Soundstream RSM1.4000D, Compact Class-D Subwoofer Amplifier, 4,000 Watts Small Monoblock Amplifier, 1,200 Watts RMS 1 Channel 1 Ohm Stable Car Amp - Image 4](https://m.media-amazon.com/images/I/81yijN8L3tL.jpg)
![Soundstream RSM1.4000D, Compact Class-D Subwoofer Amplifier, 4,000 Watts Small Monoblock Amplifier, 1,200 Watts RMS 1 Channel 1 Ohm Stable Car Amp - Image 5](https://m.media-amazon.com/images/I/617TtQtJlWL.jpg)

## Frequently Bought Together

- Soundstream RSM1.4000D, Compact Class-D Subwoofer Amplifier, 4,000 Watts Small Monoblock Amplifier, 1,200 Watts RMS 1 Channel 1 Ohm Stable Car Amp
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**Shop now:** [https://www.desertcart.no/products/534126237-soundstream-rsm1-4000d-compact-class-d-subwoofer-amplifier-4-000](https://www.desertcart.no/products/534126237-soundstream-rsm1-4000d-compact-class-d-subwoofer-amplifier-4-000)

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*Product available on Desertcart Norway*
*Store origin: NO*
*Last updated: 2026-10-29*