---
product_id: 196969740
title: "Kicker 47KEY2004 Key 4-Channel DSP Smart Amplifier, 4x50W"
brand: "kicker"
price: "6956 DH"
currency: MAD
in_stock: true
reviews_count: 13
category: "Kicker"
url: https://www.desertcart.ma/products/196969740-kicker-47key2004-key-4-channel-dsp-smart-amplifier-4x50w
store_origin: MA
region: Morocco
---

# Built-in mic for auto tuning 4x50W output power 40-band equalizer Kicker 47KEY2004 Key 4-Channel DSP Smart Amplifier, 4x50W

**Brand:** kicker
**Price:** 6956 DH
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate your ride’s soundtrack—hear what you’ve been missing!

## Quick Answers

- **What is this?** Kicker 47KEY2004 Key 4-Channel DSP Smart Amplifier, 4x50W by kicker
- **How much does it cost?** 6956 DH with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ma](https://www.desertcart.ma/products/196969740-kicker-47key2004-key-4-channel-dsp-smart-amplifier-4x50w)

## Best For

- kicker enthusiasts

## Why This Product

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

## Key Features

- • **Precision 40-Band EQ:** Customize every frequency with a massive 40-band equalizer for unmatched tonal control.
- • **Smart Mic Auto-Tuning:** Instantly optimize your soundstage with the built-in microphone and powerful DSP—no pro needed.
- • **Compact & DIY Friendly:** Lightweight, small footprint design fits anywhere and makes installation a breeze.
- • **Concert-Quality Clarity:** Transform your factory stereo into a live concert experience with crystal-clear sound.
- • **Powerful 4-Channel Output:** Deliver 200 watts total power (4x50W) to energize your entire vehicle audio system.

## Overview

The Kicker 47KEY2004 is a compact 4-channel DSP smart amplifier delivering 4x50W of powerful, crystal-clear sound. Featuring a built-in microphone for automatic tuning, a 40-band equalizer, and a 24dB crossover, it transforms factory stereos into concert-quality audio systems with professional-grade precision—all in a DIY-friendly package.

## Description

Product description Kicker KEY Technology Amplifiers Let KEY professionally tune your system – just sit back and enjoy the music. A Better Sound. Automatically. The KEY200.4 Smart Amplifier uses AI-driven DSP to quickly optimize your sound. Press one button for dramatically improved audio. Little Amp. Big Difference. Measuring under 8 inches long and just 2 inches high, KEY amps fit almost anywhere—behind the radio, under a seat, or in the trunk. Ready for Your Ride KEY amplifiers work with nearly all stock and aftermarket radios, including newer vehicles equipped with start-stop systems. Packed With Power KEY Smart Amps deliver powerful sound with up to 500W RMS for subs and 50W per channel for speakers—everything you need to rock your ride. KEY500.1 Smart Mono Amp (bass revealer/processor) This compact mono amplifier delivers 500W at 1 ohm, 300W at 2 ohms, and 150W at 4 ohms. Slim 1-11/16" height fits tight installs, with 10–160Hz response, variable LP/HP crossovers, >90dB S/N ratio, and high- or low-level input compatibility. KEY200.4 Smart 4-Ch. Amplifier (auto-EQ/processor) This compact 4-channel amplifier delivers 50W x4 at 4 ohms and includes a microphone with Kicker EQ button for easy tuning. Slim 1-11/16" height fits tight spaces, with 20–20kHz response, selectable active crossovers, high-level inputs, and >90dB signal-to-noise ratio. Kicker KEYLOC Smart Line-Out Converter This revolutionary, DSP (digital signal processor)-controlled, line-output converter automatically detects the frequency response and phase of your factory stereo system, and then allows you to integrate into a more fun, modern entertainment setup!

Review: Powerful and accurate sound. - This DSP and amp is amazing! It gives a huge new dimension to your music. It's pretty small, and it's light, so it can fit in a lot of locations. It's very powerful. You won't need another more powerful amp on the side as well. I can only turn up my volume about 1/3 of the way before it gets unsafe (90dB) to listen to. The color coded wires are helpful and easy to follow.
Review: Pure gold! - What an exceptional little amp. The sound quality is phenomenal, the clarity is fantastic! I combined this with Kicker KS series 6x9 components up front and 6.5 coaxial speakers in the rear of my 2019 F150 XLT. I wish I had done this years ago. Only small crux is I ended up needing to run a remote turn on wire as the auto turn on wasn't functioning properly in my truck. One wire and a lot of rerunning wire and it started up with zero issues. I really hope that Kicker expands the Key technology further in the future. It's now a proven concept that can match the performance of most DSP setups but adds the value of being DIY friendly for those of us who prefer to install our own equipment or cannot afford a full DSP setup and the associated installation and tuning costs and or headaches. I'd love to see Kicker offer a higher watt version of this amp. If and when they do, I'll be seriously considering an upgrade. Not to say that this isn't powerful though, I honestly can't crank it all the way up because it's too loud. I love being able to say that! Also it makes all kinds of music better. It truly doesn't matter what you listen to, you will hear instrumentation and vocals that you have never noticed before while listening to your all time favorite songs.

## Features

- Don’t just make your system louder - make it clearer. Make it better.
- Press the selector, and the microphone goes to work. The KEY uses a powerful internal computer to deliver dramatic improvements in realism and soundstage.
- A massive 40-band equalizer improves tonality, and a 24dB crossover re-defines the capabilities of each speaker.
- The concert quality of your factory stereo is revealed! What would take hours for a professional to achieve happens in a matter of minutes.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B084HLVFFK |
| Best Sellers Rank | #25,345 in Electronics ( See Top 100 in Electronics ) #43 in Car Multichannel Amplifiers |
| Brand | KICKER |
| Brand Name | KICKER |
| Customer Reviews | 4.6 out of 5 stars 201 Reviews |
| Global Trade Identification Number | 00713034013174 |
| Included Components | 47KEY2004 |
| Item Dimensions | 10.75 x 8.5 x 2.75 inches |
| Item Weight | 2.2 Pounds |
| Item dimensions L x W x H | 10.75 x 8.5 x 2.75 inches |
| Manufacturer | Kicker |
| Maximum Supply Voltage | 12 Volts |
| Model | 47KEY2004 |
| Mounting Type | Surface Mount |
| Number of Channels | 4 |
| Output Power | 200 Watts |
| Part Number | 47KEY2004 |
| Specification Met | FCC |
| UPC | 713034013174 |
| Unit Count | 1.0 Count |
| Voltage | 12 Volts |
| Warranty Description | 1-Year Manufacturer Warranty |

## Product Details

- **Item dimensions L x W x H:** 10.75 x 8.5 x 2.75 inches
- **Manufacturer:** Kicker
- **Maximum Supply Voltage:** 12 Volts
- **Mounting Type:** Surface Mount
- **Voltage:** 12 Volts

## Images

![Kicker 47KEY2004 Key 4-Channel DSP Smart Amplifier, 4x50W - Image 1](https://m.media-amazon.com/images/I/61w1RT4RLlL.jpg)
![Kicker 47KEY2004 Key 4-Channel DSP Smart Amplifier, 4x50W - Image 2](https://m.media-amazon.com/images/I/71WbeVrAAoL.jpg)
![Kicker 47KEY2004 Key 4-Channel DSP Smart Amplifier, 4x50W - Image 3](https://m.media-amazon.com/images/I/713Rx7U8Z-L.jpg)
![Kicker 47KEY2004 Key 4-Channel DSP Smart Amplifier, 4x50W - Image 4](https://m.media-amazon.com/images/I/71mjSp9kpFL.jpg)
![Kicker 47KEY2004 Key 4-Channel DSP Smart Amplifier, 4x50W - Image 5](https://m.media-amazon.com/images/I/71AM4LOkh0L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Powerful and accurate sound.
*by M***R on February 16, 2026*

This DSP and amp is amazing! It gives a huge new dimension to your music. It's pretty small, and it's light, so it can fit in a lot of locations. It's very powerful. You won't need another more powerful amp on the side as well. I can only turn up my volume about 1/3 of the way before it gets unsafe (90dB) to listen to. The color coded wires are helpful and easy to follow.

### ⭐⭐⭐⭐⭐ Pure gold!
*by C***Y on March 20, 2023*

What an exceptional little amp. The sound quality is phenomenal, the clarity is fantastic! I combined this with Kicker KS series 6x9 components up front and 6.5 coaxial speakers in the rear of my 2019 F150 XLT. I wish I had done this years ago. Only small crux is I ended up needing to run a remote turn on wire as the auto turn on wasn't functioning properly in my truck. One wire and a lot of rerunning wire and it started up with zero issues. I really hope that Kicker expands the Key technology further in the future. It's now a proven concept that can match the performance of most DSP setups but adds the value of being DIY friendly for those of us who prefer to install our own equipment or cannot afford a full DSP setup and the associated installation and tuning costs and or headaches. I'd love to see Kicker offer a higher watt version of this amp. If and when they do, I'll be seriously considering an upgrade. Not to say that this isn't powerful though, I honestly can't crank it all the way up because it's too loud. I love being able to say that! Also it makes all kinds of music better. It truly doesn't matter what you listen to, you will hear instrumentation and vocals that you have never noticed before while listening to your all time favorite songs.

### ⭐⭐⭐⭐⭐ Clear and powerful in a small package
*by P***N on March 15, 2026*

Big improvement over stock in 2025 Ford F150. Very clear at higher volume. With upgraded speakers, the system has vastly improved over the factory non B&O system.

## Frequently Bought Together

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*Product available on Desertcart Morocco*
*Store origin: MA*
*Last updated: 2026-05-15*