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Focal Inside 2.1 IMP Harness for Impulse 4.320 4 Channel Amplifier & PSB200 Sub

Focal Inside 2.1 IMP Harness for Impulse 4.320 4 Channel Amplifier & PSB200 Sub - Main image
$56.69 $89.99 In stock

Category: Wiring Loom

Focal Inside 2.1 IMP Harness

Connects Impulse 4.320 front speakers plus PSB200 sub

Inside upgrade harness

The 2.1 IMP HARNESS connection cables are designed for connecting speaker drivers and the Focal IMPULSE 4.320 compact 4-channel digital amplifier. Connects Impulse for amped front speakers plus PSB200 subs.

This cable enables amplification of a vehicle’s front speakers across 2 channels and amplification of one subwoofer over the other two channels of the IMPULSE 4.320 amplifier.

Check your vehicle compatibility by contacting us or checking the focal inside website.

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Customer Reviews (5.0 / 5 · 5 reviews)

Natalie ★★★★★

Installed this harness today and the labeled wires made matching channels to the amp and sub a breeze. No trimming or adapters needed, just a clean plug-and-play fit for the upgrade.

Harper J. ★★★★★

The connectors clicked in with zero guesswork, and the fact that it routes both the front speakers and the sub through one clean harness made my install way tidier than expected. Took maybe twenty minutes to swap everything over, and the sound came up immediately without any signal issues.

Scarlett ★★★★★

Plugged this harness into my Impulse 4.320 and PSB200, and the connectors clicked in perfectly — no guesswork at all. Clean, simple install that’s working flawlessly.