---
product_id: 583614103
title: "Impuls 4.320"
brand: "focal"
price: "€ 439.34"
currency: EUR
in_stock: true
reviews_count: 5
category: "Focal"
url: https://www.desertcart.fr/products/583614103-impuls-4-320
store_origin: FR
region: France
---

# 4 x 55W RMS @ 4Ω - powerful output Ultra-compact 175x66.5x47mm - space-saving design ISO compatible - seamless plug & play Impuls 4.320

**Brand:** focal
**Price:** € 439.34
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate your drive with powerhouse sound in a sleek package!

## Quick Answers

- **What is this?** Impuls 4.320 by focal
- **How much does it cost?** € 439.34 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/583614103-impuls-4-320)

## Best For

- focal enthusiasts

## Why This Product

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

## Key Features

- • **Plug & Play Simplicity:** Compatible with all head units and ISO connectors for a hassle-free, professional installation experience.
- • **Precision Sound Control:** Adjustable filters (40-200 Hz) on channels 3-4 let you fine-tune your audio for the perfect bass and clarity.
- • **Sleek & Stealthy Design:** Ultra-compact footprint fits effortlessly into your dashboard, keeping your car’s interior clean and modern.
- • **Power that Packs a Punch:** Delivers up to 160W bridged power for crystal-clear, immersive sound that outperforms your head unit.
- • **Whisper-Quiet Performance:** Minimal distortion (0.02% THD) and high signal-to-noise ratio (80 dBA) ensure pure, undisturbed sound quality.

## Overview

The Focal Impuls 4.320 is a compact yet mighty 4-channel Class D amplifier delivering up to 160W bridged power. Designed for seamless integration with all head units, it features adjustable filters, ISO compatibility, and ultra-low distortion for premium in-car audio performance. Perfect for professionals seeking a clean install and superior sound clarity.

## Description

D Cl Ultra-Compact Amplifier 4/3/2 Channel Mode Advantages: Ultra-compact – Easy to install Compatible with all head units (OEM and after-market) Automatic start-up with your original head unit ISO compatible via cable accessories sold separately (IY-AC Impulse 4.320) Specifications: CEA Power (4 Ohms) 4 x 55W rms Power max (2 Ohms) 4 x 80W rms Power bridged (4 Ohms) 2 x 160W rms Bandwidth 10Hz / 20KHz Minimum THD 0.02% SNR 80 dBA Weight 1.2 lbs Dimensions 6-7/8 x 2-5/8 x 1-7/8 ” (175 x 66.5 x 47mm)

Review: Petit ampli facile à dissimuler, très efficace en terme de son. Installation dans toyota corollaire touring sport 2020.👍
Review: Excellent product. Vast improvement on existing car head amp. Speedy delivery.👌🏻👌🏻

## Features

- Far more powerful than a head unit
- Easy integration within the dashboard
- Compatible with all head units
- Extremely versatile
- Optional ISO connector for semi “Plug&Play” set-ups
- FOCAL Impuls 4.320 - 4-channel amplifier 4 x 55 WRMS at 4 ohms, class D
- 55 WRMS x 4 at 4 ohms, 80 WRMS x 4 at 2 ohms, 160 WRMS x 2 at 4 ohms, filter: channel 1-2 fixed at 75 Hz, filter: channel 3-4 40 - 200 Hz adjustable

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01EZYWW5M |
| Best Sellers Rank | #27,970 in Electronics ( See Top 100 in Electronics ) #7 in Car Multichannel Amplifiers |
| Item model number | IMPULSE4.320 |
| Manufacturer | Focal |
| Package Dimensions | 23.5 x 12.7 x 8.3 cm; 454 g |

## Product Details

- **Brand:** Focal
- **Manufacturer:** Focal
- **Mounting type:** Freestanding
- **Number of channels:** 4
- **Output power:** 220 Watts

## Images

![Impuls 4.320 - Image 1](https://m.media-amazon.com/images/I/51sBpqWTu0L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by G***N on 9 May 2025*

Petit ampli facile à dissimuler, très efficace en terme de son. Installation dans toyota corollaire touring sport 2020.👍

### ⭐⭐⭐⭐⭐ Review
*by C***X on 17 June 2019*

Excellent product. Vast improvement on existing car head amp. Speedy delivery.👌🏻👌🏻

### ⭐⭐⭐⭐⭐ Review
*by O***E on 9 August 2020*

En cuanto a calidad de sonido es innegable. Creo que la instalación por el electricista no es correcta pues a penas se nota diferencia de potencia de mi auto radio a la etapa. En vídeos colocan esta etapa y la deferencia de sonido es espectacular. Cuando lo repase podré ser más específico.

## Frequently Bought Together

- Focal IMPULSE4.320 Ultra Compact 4/3/2-Channel Amplifier
- RECOIL RCI23 100% Oxygen Free Copper 3ft 2-Channel RCA Audio Cable, Twisted Pair with Noise Reduction
- Skar Audio 8 Gauge CCA Complete Amplifier Installation Wiring Kit, SKAR8MANL-CCA

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---

*Product available on Desertcart France*
*Store origin: FR*
*Last updated: 2026-02-23*