---
product_id: 348218449
title: "Kicker 47KEY2004 Car Audio Smart DSP 4 Channel Speaker Amplifier 40 Band EQ Amp"
brand: "kicker"
price: "21227231₫"
currency: VND
in_stock: true
reviews_count: 5
category: "Kicker"
url: https://www.desertcart.vn/products/348218449-kicker-47key2004-car-audio-smart-dsp-4-channel-speaker-amplifier
store_origin: VN
region: Vietnam
---

# Auto mic calibration 200W total power (50x4) 40-band EQ precision Kicker 47KEY2004 Car Audio Smart DSP 4 Channel Speaker Amplifier 40 Band EQ Amp

**Brand:** kicker
**Price:** 21227231₫
**Availability:** ✅ In Stock

## Summary

> 🎵 Elevate your drive with sound that’s smarter, louder, and crystal clear.

## Quick Answers

- **What is this?** Kicker 47KEY2004 Car Audio Smart DSP 4 Channel Speaker Amplifier 40 Band EQ Amp by kicker
- **How much does it cost?** 21227231₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/348218449-kicker-47key2004-car-audio-smart-dsp-4-channel-speaker-amplifier)

## 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

- • **Power Meets Precision:** Delivering 200 watts across 4 channels, this compact powerhouse redefines your car audio experience without bulk.
- • **Discreet, Space-Saving Design:** Under 8 inches long and 2 inches high, fits anywhere—behind the dash, under seats, or in trunks without hassle.
- • **Plug & Play Smart Calibration:** One-button mic calibration auto-tunes your system in minutes—what pros do in hours, now effortless for you.
- • **Concert-Quality Sound, Instantly:** Transform your factory stereo with AI-driven DSP and a 40-band equalizer for unmatched clarity and realism.
- • **Seamless Start-Stop Compatibility:** Engineered for modern vehicles with start-stop tech, ensuring uninterrupted, flawless audio performance.

## Overview

The Kicker 47KEY2004 is a compact 4-channel car amplifier with AI-powered DSP, featuring a 40-band equalizer and 24dB crossovers. It delivers 200 watts total power, auto-calibrates sound via a built-in microphone, and supports start-stop vehicle systems. Designed for easy installation and professional-grade tuning in minutes, it upgrades factory stereos to concert-quality audio with unmatched clarity and precision.

## Description

Kicker 47KEY2004 KEY 4-Channel DSP Smart Amplifier, 4x50W The biggest advance - in the smallest package. Introducing the KEY smart amplifier and audio processor in one, featuring AI-driven DSP. 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. All automatically. All with the press of a single button. POWERHOUSE - In addition to an unbelievable sound quality, the KEY200.4 delivers 200 watts of pumpin’ power to your factory speakers. At KICKER, we know power and clarity always go hand-in-hand. HIDDEN TREASURE - Measuring less than eight inches long and only two inches high, the KEY200.4 fits nearly anywhere. Mount it behind your radio, under the seat, or in your trunk with ease. START. DON’T STOP. - The KEY200.4 is one of the first amps fully compatible with newer vehicles using start-stop systems. Features - 200 Watts Of Power (50x4) Auto EQ Microphone With Selector Switch Included Compatible with Start/Stop Vehicle Technology FIT2 Technology Included Turn On Via Remote 12v Signal Or DC Offset Auto 40-Band Equalizer Bi-Amp Capability (Defeatable) Auto Compressor (Defeatable) Kicker EQ Preset (Defeatable) Auto Time Alignment (Defeatable) Auto Level Adjustment (Bi-Amp Mode Only) Auto Speaker Size Detection 24dB Crossovers 60/80/120hz High Pass Filter (Defeatable)

Review: Great enhancement for poor stock speakers
Review: Pure gold!

## 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 | #55,622 in Electronics ( See Top 100 in Electronics ) #8 in Car Audio & Video Amplifier Equalizers |
| Brand Name | KICKER |
| Customer Reviews | 4.5 out of 5 stars 179 Reviews |
| Global Trade Identification Number | 00713034013174 |
| Included Components | 47KEY2004 |
| Item Dimensions | 25.4 x 30.5 x 22.9 centimeters |
| Item Weight | 998 g |
| Item dimensions L x W x H | 25.4 x 30.5 x 22.9 centimeters |
| Manufacturer | KICKER |
| Material Type | Electronics, metal |
| Maximum Supply Voltage | 12 Volts |
| Maximum supply voltage | 12 Volts |
| Minimum Supply Voltage | 12 Volts |
| Minimum supply voltage | 12 Volts |
| Model | 47KEY2004 |
| Mounting Type | Surface Mount |
| Mounting type | Surface Mount |
| Number of Channels | 4 |
| Output Power | 200 Watts |
| Package Type Name | Standard packaging |
| Specification Met | FCC |
| UPC | 713034013174 |
| Unit Count | 1.0 Count |
| Voltage | 12 Volts |

## Product Details

- **Item dimensions L x W x H:** 25.4 x 30.5 x 22.9 centimeters
- **Manufacturer:** KICKER
- **Maximum supply voltage:** 12 Volts
- **Minimum supply voltage:** 12 Volts
- **Voltage:** 12 Volts

## Images

![Kicker 47KEY2004 Car Audio Smart DSP 4 Channel Speaker Amplifier 40 Band EQ Amp - Image 1](https://m.media-amazon.com/images/I/61w1RT4RLlL.jpg)
![Kicker 47KEY2004 Car Audio Smart DSP 4 Channel Speaker Amplifier 40 Band EQ Amp - Image 2](https://m.media-amazon.com/images/I/71WbeVrAAoL.jpg)
![Kicker 47KEY2004 Car Audio Smart DSP 4 Channel Speaker Amplifier 40 Band EQ Amp - Image 3](https://m.media-amazon.com/images/I/713Rx7U8Z-L.jpg)
![Kicker 47KEY2004 Car Audio Smart DSP 4 Channel Speaker Amplifier 40 Band EQ Amp - Image 4](https://m.media-amazon.com/images/I/71mjSp9kpFL.jpg)
![Kicker 47KEY2004 Car Audio Smart DSP 4 Channel Speaker Amplifier 40 Band EQ Amp - Image 5](https://m.media-amazon.com/images/I/71AM4LOkh0L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐ Great enhancement for poor stock speakers
*by O***T on 11 July 2022*



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



### ⭐⭐⭐⭐⭐ The sound quality improvement is great!
*by C***Y on 11 November 2022*



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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-02-13*