Focal Impulse 4.320 Compact 4-Channel Digital Amplifier

FocalSKU: IMPULSE
In stock
£200

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Boost your audio

Head units soon reveal their limitations in terms of power and dynamics. At higher volumes, they soon saturate and ruin the listening pleasure. Upgrading the speakers in search of better sound is not always the answer since a high-quality speaker needs more power behind it to optimise their performance. The Focal Impulse 4.320 Ampflier provides the ideal power uplift solution for your in-car audio.

Tiny dimensions!

The Impulse 4.320 adds the wow factor despite its diminutive appearance. The footprint of the amp is barely bigger than a mobile phone, allowing you to seriously upgrade the sound in your vehicle without taking up precious space.

Easily concealed

The Impulse 4.320 is a miniature 4-channel digital amplifier delivering 4 x 55 Watts from a super compact footprint. The units’ dimensions (175x66.5x47mm) are ideal for concealing the amp inside your Land Rover. Mount it in the cubby-box, within the battery box or inside a MUD cubby locker.

Pair With

Here you'll find parts that relate to the product page you're currently viewing. They may be listed in the product description as additional components you will need, or simply a helpful suggestion for other parts along a similar theme.

Supplied with mini-harness

The Focal Impulse amp is supplied with a mini-wiring harness that will need connecting into the vehicle wiring and audio wiring. We would strongly recommend paying for a professional install of this amplifier.

Simplify the installation

Alternatively, you can ditch the wiring supplied in the box and upgrade to Focal’s dedicated Plug & Play Impulse 4.320 Y-Harness that provides a simple non-invasive ISO plug and play connectivity between the amplifier and your head unit. No need for a professional install, just plug the connectors into the amplifier at one end of the harness, and piggy-back off the ISO connections at the head unit end. Job Done!

Connect to your Focal iSUB

Another advantage of the Impulse Y-Harness is that it will also a provide a ‘plug & play’ ISO connection to any Focal iBus or iSub sub-woofer power harness to provide seamless integration of all Focal components. No matter whether you already have a Focal Sub-Woofer or you’re thinking of adding one at a later date, the Impulse Y harness makes the install a breeze.

Key Points

EA power (4 Ohms):

4x55Wrms Power max (2 Ohms):

4x80Wrms Power bridged (4 Ohms):

2x160Wrms Bandwidth:

10Hz / 20KHz Minimum

THD: 0.02%

SNR: 80dBA

Weight: 544g

Dimensions: 175x66.5x47mm

For full spec please see the resources section above.

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