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PAC ROEM-NIS1 Wiring Interface Connect a new car stereo and retain the factory amplifier in select 1989-97 Nissan and Infiniti vehicles

Item # 541NIS1

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2 questions - 3 answers

Item # 541NIS1

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About the PAC ROEM-NIS1 Wiring Interface

Bob Bihlmayer


PAC's ROEM-NIS1 radio replacement interface lets you replace the factory radio in select 1989-97 Nissan and Infiniti vehicles, without losing the factory Bose sound system. The interface's design minimizes noise and static. Warranty: 1 year.

What's in the box:

  • Radio replacement interface module
  • Vehicle harness
  • Radio harness
  • Instructions

Customer reviews for PAC ROEM-NIS1 Wiring Interface

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More details on the PAC ROEM-NIS1 Wiring Interface

Stacey B.
The PAC ROEM-NIS1 Wiring Interface replaces these items:

Product Research


Radio Replacement Interface: The PAC ROEM-NIS1 facilitates the replacement of the factory-installed radio in select Nissan & Infiniti vehicles with an aftermarket stereo, while retaining the function of the factory premium amplified audio system by Bose.

Vehicle Compatibility: The PAC ROEM-NIS1 is compatible with the following Nissan & Infiniti vehicles featuring a factory installed premium audio system by Bose.

Make Model Year
Nissan 240SX 1990-1994
300ZX 1992-1996
Altima 1993-1994
Hard Body Truck 1991-1994
Maxima 1990-1994
Sentra 1990-1994
Stanza 1990-1992
Infiniti G20 1991-1996
J30 1993-1994
M30 1990-1992

Adjustable Gain: This 4-channel radio replacement interface will allow your new aftermarket stereo's output to be adjusted to the input requirements of the existing factory installed amplifier, providing 2:1 gain and infinite attenuation.

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Customer Q&A

2 questions already asked

Would this work on my 2005 g35 coupe??
scuba  Oct 04, 2022
1 answer
Greetings Scuba, and thank you for your question. It will not. They have a NIS2 that would if your G35 came with the Bose system. If not, you need a different harness entirely. Part number for the NIS2 is 541NIS2.
hogan  Oct 04, 2022 (Staff)
Does this work with the 95 Nissan Pathfinder 8 speaker Clarion amps?
michael  Jul 12, 2020
2 answers
My '93 INFINITI J30 is probably close to a '95 Nissan ( OR INFINITI ) . Now mine had Clarion as 'head-unit' only supplying a variable voltage out to the Bose amps @ ea. speaker location ( some cars had a 'all-in-one' amp ) . The Clarion essentially did " variable line out " . What this adapter does is to ' simulate ' a variable line out by converting " Todays" car audio's high level output, which would normally be capable to power direct speaker connection , and by utilizing resistors it brings out the aforesaid 'line-out' voltage . Adapter essentially 'Loads' the stereo's output with 80 ohm resistors, giving them some load so your not blowing the MOSfets. Also the adapter has additional wires , if you wish to connect to "low-level" ( RCA line-out jacks in back of Stereos) and give the proper 'line out' voltage to run the ( Bose) amps ahead of the speakers. Best part is the four channels this adapter handles ( you may use one or all four) the levels are fully adjustable to the amps via 4 holes , where you use a jeweler's screw driver to set your baseline balance for all four locations to suit the car's acoustics . Lastly it all come down to any conversion harnesses , which were specified for me , from car's harness to the adapter's plug , and then the adapter out to the standard radio/head-uni wiring which you 'make up' per simple instruction chart , very well written. Crutchfield customer svc. and or satisfaction policy is excellent , and I would recommend purchasing. G.T. 7/12/2020
glen  Jul 12, 2020
Michael, I used it on my 1991 Nissan with six speakers and it worked very well. Know what each wire is for, label before you cut and you should be fine
grant  Jul 12, 2020

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