Focal Impulse 4.320 ISO IY-AC connector

Ultra-compact 4-channel amplifier - 4 x 55 Wrms Y-adapter cable in ISO format (1m)

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To boost your installation, there is nothing like the Focal Impulse 4.320 amplifier associated with the ISO IY-AC connector. Take full advantage of the qualities of this 4 channel digital micro amp with 4 x 55 Watts for a powerful equipment.

Ultra-compact 4-channel amplifier - 4 x 55 Wrms Y-adapter cable in ISO format (1m)

Overview

The complete kit for your audio installation


The Focal Impulse 4.320 is a 4-channel digital micro amp with 4 x 55 Watts to give you the best performance. It will delight you with its easy handling and simplified installation.

The Focal IY-AC ISO connector adapter cable accompanies your Impulse 4.320 amplifier and offers a very easy installation thanks to the Plug and Play system. It does not require any modification of the original system.


Efficient technology and easy installation


The Impulse 4.320 uses technology derived from the Performance Series FD amplifiers. With an efficiency of over 90%, Class D offers many advantages: low heat build-up, low power consumption, low distortion at high volumes, compact size. The amplifier thus achieves an unequalled size/power ratio. It develops 4x55 or 2x160 Watts RMS under 4 Ohms. Comfortable power, fast attack for a realistic and more airy sound, it will transform the listening of your front and rear speakers.

With dimensions of only 17.65x4.6x6.7cm, the Impulse 4.320 can be easily hidden in the dashboard or centre console. Featuring both high level (with auto-detect) and low level inputs, it is compatible with all car radios. Supplied with brackets, adapters to take the speaker outputs from a car radio, RCA adapters for aftermarket car radios and a power connector, the amp is designed for easy installation. It does not require direct battery power.


Very flexible in use


To accommodate different car radios, this amplifier has a 2 or 4 channel input selector. It is primarily designed to drive the front and rear speakers. However, it can also be used in 3 or 2 channel mode, to meet all the enhancement needs of a small installation.

Each pair of channels incorporates an active crossover to perfectly match the sound response to the speakers in use. The front channels can be operated at full bandwidth or cut high-pass at 75 Hz when using small diameter speakers. By avoiding low frequencies on a small diameter speaker, the listening experience becomes sharper. The rear channels are equipped with an active crossover and progressive phase adjustment to handle a small subwoofer or full range speakers of different diameters.


Main features :



Impulse 4.320
  • 4-channel amplifier
  • Easy integration into the dashboard
  • Compatible with all car radios
  • Highly flexible in use
  • AEC power (4 Ohms): 4 x 55 Wrms
  • Bandwidth: 10 Hz / 20 kHz
  • ISO compatible
  • Weight: 550 g
  • Dimensions: 175 x 66.5 x 47 mm

ISO IY-AC connector
  • Length: 1 m
  • ISO compatible
  • Easy installation Plug & Play
  • Direct connection of the Impulse 4.320 to your original car radio
Specifications
Select your criteria

General information

Product name

Focal Impulse 4.320 ISO IY-AC connector

Brand

Focal

Model

FOCAL IMPULSE 4.320 - + CONNECTEUR ISO

Main characteristics

Product type

Amplifier

Amplification

Power

220 W

Number of channels

4

Warranties

Commercial warranty

Seller 3 years

Legal warranty

See terms & conditions

Product referenced on 12 Oct 2016

Customer reviews
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    8 reviews
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  • by OlivierP
    Posted on 13 Jun 2024
    Bought on 6 May 2024 from LDLC
    Number of reviews: 1 Average rating: 10

    perfect installation

    the iso iy-ac connector is great for a direct connection to my 2006 laguna and this little plug does the job well and is small enough to be installed anywhere. I recommend this kit to improve your audio system.

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  • by JorgeR
    Posted on 6 Jun 2024
    Bought on 1 Jun 2024 from LDLC
    Number of reviews: 1 Average rating: 10

    Focal amplifier

    Great product, you can immediately see the difference in sound with the original car radio in my vehicle.
    I would recommend it.

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  • by XavierD
    Posted on 13 May 2024
    Bought on 14 Apr 2024 from LDLC
    Number of reviews: 1 Average rating: 10

    Good product

    It hides perfectly behind the car radio and works very well for its small size.
    Easy to connect using the ISO connector

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  • by AnthonyR
    Posted on 7 Jun 2023
    Bought on 4 Jun 2023 from LDLC
    Number of reviews: 1 Average rating: 10

    very good product

    easy to install with my original car radio (just add its "Focal PSA Y-ISO Harnes", if you have a Peugeot after 2017)
    power gain coupled with "FOCAL INSIDE IS PSA 165".
    I recommend it for sound buffs
    the system was installed in a Peugeot expert from 2017 with door isolation

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  • by AramM
    Posted on 30 Apr 2023
    Bought on 16 Apr 2023 from LDLC
    Number of reviews: 1 Average rating: 10

    A very good product for my 2017 Toyota Auris

    I bought this amplifier to install in a Toyota Auris 2017 with the original ToyotaTouch2Go and amplify the Focal IS TOY 165 speakers in the front and Focal IC TOY 165 in the rear. Good quality amplifier (Focal quality is always there). A clear improvement of the sound, gains of power and audio quality. In addition, you need to buy two cables: the Focal Toyota Y-ISO Harness (white and brown plugs) and FOCAL IMP EXT150 I/O (1M50). Installation is quick and easy.

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