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A black rectangular wiring harness with multiple coloured cables and a white connector plug

Axxess Technologies

Axxess Technologies AXABH-NI1 Amplifier Bypass Harness car electronics accessory

SKU CH-699N-ZC37W

Vehicle-specific harness bypasses the factory amplifier in select Nissan models from 2007 to 2019 for aftermarket amp installation

  • Product typeWire Harness
  • Bypasses the factory amplifier for a clean aftermarket install
  • Vehicle-specific fit for select Nissan models from 2007 to 2019
  • Direct plug-in design eliminates cutting or splicing factory wiring
  • Reduces installation time and material waste
  • Supports a wide range including Altima, Rogue and 370Z

Nissan Amplifier Bypass Harness

The Axxess AXABH-NI1 is a vehicle-specific wire harness designed to bypass the factory amplifier in select Nissan models from 2007 to 2019. It provides a direct connection point for aftermarket amplifier installations without cutting the original wiring. This accessory simplifies the upgrade process for car audio installers and enthusiasts. It is supplied new with a one-year limited warranty.

Installers Adding Aftermarket Amplifiers

The harness suits professionals and DIYers fitting an aftermarket amplifier to compatible Nissan vehicles including the 370Z, Altima, Armada, Maxima, Murano, Pathfinder, Quest, Rogue and Sentra within the listed model years. It eliminates the need to splice into factory loom, saving labour and preserving the original harness. Builders retaining the factory amplifier or working on other vehicle brands should look at alternative solutions.

Plug-and-Play Amplifier Integration

The harness plugs into the factory amplifier connector, presenting loose wires that connect directly to an aftermarket amplifier's speaker-level or line-level inputs. This removes the requirement to run new speaker cables from the head unit to the amplifier location. It frees up installation time and reduces the amount of additional wire needed for a clean, reversible audio upgrade.

How it compares

Measured against everything we stock in Car Audio Accessories & Wiring, at today’s prices. Recalculated every night.

Price $36.99
Pricier than about 68% of the 2,768 comparable items (median $21.99).

Specifications

Product
Product typeWire Harness

Questions about this item

What factory wiring must stay in the Nissan for the AXABH-NI1 harness to plug in?

The harness connects to the vehicle's original amplifier connector; you keep the factory wiring loom intact and only bypass the amplifier itself.

Will the harness work if I keep the original speakers in my 2014 Maxima?

Yes, the harness routes the aftermarket amplifier's output to the existing speaker wiring, so the factory speakers remain connected.

How can I confirm the bypass is active after installing the harness in a 2018 Altima?

With the ignition on, the aftermarket amplifier should power up and audio should play through all speakers without the factory amplifier in the signal path.

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