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PAC ROEM-NIS2 Wiring Interface Connect a new car stereo and retain the Bose amplifier in select 1994-2012 Nissan and Infiniti vehicles

Item # 541NIS2

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26 questions - 33 answers

Item # 541NIS2

In stock
$39.99

About the PAC ROEM-NIS2 Wiring Interface

Bob Bihlmayer

PAC ROEM-NIS2 interface

PAC's ROEM-NIS2 radio replacement interface lets you replace the factory radio in select 1994-2007 Nissan and Infiniti vehicles, without losing the 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
MFR #ROEM-NIS2

Customer reviews for PAC ROEM-NIS2 Wiring Interface

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4.5 out of 5 stars
106 reviews

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More details on the PAC ROEM-NIS2 Wiring Interface

Stacey B.
The PAC ROEM-NIS2 Wiring Interface replaces these items:

Product Research

Features

Radio Replacement Interface: The PAC ROEM-NIS2 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 or Rockford Fosgate.

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.

Vehicle Compatibility: The PAC ROEM-NIS2 is compatible with the following Nissan & Infiniti vehicles featuring a factory installed premium audio system by Bose or Rockford Fosgate.

Make Model Year
Nissan 200SX 1995-1998
240SX 1995-1998
350Z 2003-2007
Altima 1995-2006
Armada 2005-2007
Frontier 1998-2012
Hard Body Truck 1995-1997
Maxima 1995-2006
Pathfinder 1995-2007
Sentra 1995-2006
Titan 2004-2012
Xterra 2005-2012
Infiniti G20 1999-2002
G35 2003-2007
I30 1995-2004
I35 2000-2003
J30 1995-1997
Q45 1994-2001
QX4 1997-2003

Notes:

  • Some trim levels of certain vehicles listed above may not be compatible (Use Crutchfield's "Does It Fit Your Car" to verify compatibility).
  • In most vehicles that use this adapter, the ground wire of the new receiver will need to be connected to the metal of the dash.

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Customer Q&A

26 questions already asked

Q
My 2011 Nissan Frontier SL has the upgraded Rockford Fosgate system, and in this page it looked like it covered up to 2012. However, my package says 1994-2007. Did I purchase the wrong item? Do I need maybe the PAC LP7-4? I want to use the Rockford Fosgate amp, and my Sony DSX-B700 has RCA connections for this. I am new to all this so please give me any guidance on what I need, and maybe access to installation guides. I also need to connect to my steering wheel controls - is this achieved with the PAC SWI-RC-1 steering wheel control interface? If I need to replace the item I purchased, unopened, how would I do that? All info from Crutchfield would be appreciated!
wayne  May 14, 2023
2 answers
A
Greetings Wayne, and thanks for your question. Please contact our technical support to better answer your question. You will find their direct number on your shipping confirmation email. They can also help with replacing this harness if it is not the correct one for your vehicle.
hogan  May 15, 2023 (Staff)
A
Our advisors are happy to offer personalized help via online chat or phone at 1-800-324-9695. Please feel free to give us a call for help with your project.
zachary  May 14, 2023 (Staff)
Q
I hooked up a radio in my 2000 pathfinder with just the scosche wire harness but I have no sound why?
shane  Nov 15, 2022
1 answer
A
It's possible you might have the wrong harness in place Shane. It's hard to confirm with little info, but if you have the Bose premium audio package originally this PAC ROEM-NIS2 interface is what you need for install with a new radio. If you have the non-Bose originally you can use something like the Metra harness in the link below. It's possible the Scosche you used could be a similar basic harness to the Metra 70-7550 below, and that will not work if you have a factory Bose package. If you need the PAC ROEM-NIS2 we should be able to get it to you in a couple business days to get you up and running if you need it! I hope this helps. https://cwww.crutchfield.ad.crutchfield.com/p_120707550/Metra-70-7550-Receiver-Wiring-Harness.html
bo  Nov 15, 2022 (Staff)
Q
Does this allow you to keep steering wheel functions on 2002 pathfinder?
mark  Mar 19, 2022
1 answer
A
Not just that alone, there's a few options in the checkout process that allows the addition of the steering wheel control.
michael  Mar 19, 2022
Q
My 2004 350z has a bose subwoofer, will this harness connect that as well as the 4 speakers? I noticed it has 4 output lights for 4 speakers.
dylan  Feb 23, 2022
1 answer
A
can't give you an answer as the items Crutchfield gave me for a 2007 Nissan Pathfinder were specific to my car and equipment.. I had a different Nav/radio unit prior to this one from Crutchfiedl and just like the present model recieved all the goodies i needed and also had good results with support when i asked questions. Hope this helps
ronald c  Feb 26, 2022
Q
Does this fit 2002 q45 Infiniti?
justin  Feb 03, 2022
1 answer
A
For additional details on fit or installation please contact an Advisor by phone (1-800-324-9695) or online chat. They will be able to pull up your vehicle and give you the details on if this will fit and what you will need for an installation in your vehicle.
kenneth  Feb 03, 2022 (Staff)
Q
Will this work with 2008 Nissan Titan with Rockford Fosgate stock amp I wanna add aftermarket stereo to run amp and subs?
ruben m  Jan 14, 2022
1 answer
A
You will want to contact an Advisor by phone (1-800-324-9695) or online chat to discuss compatibility with your factory system. They will be able to pull up your vehicle and see if this will integrate. If it does not, then they will also be able to discuss other options with you.
kenneth  Jan 15, 2022 (Staff)
Q
Im confused because I bought the Roem-nis2 interface and when I compared the wires to my stereo wires I noticed there ?were extra wires on the interface kit. These wires include white/red, green/red, purple/red, and grey/red. Do I just tie these wires off and put them aside or do I implement them into the connection somehow
dillan  Jul 17, 2021
1 answer
A
If you purchased the product from Crutchfield, feel free to contact our Tech Support team. They can walk you through the connections on the product. Our toll-free Tech Support number is printed on your invoice, and is also available under the "My Orders" tab in the "My Account" section of our website. If you did not purchase the unit from Crutchfield, then you may want to contact the manufacturer.
kenneth  Jul 20, 2021 (Staff)
Q
Would this work on my 2005 Pathfinder with Bose to keep that Bose and switch original radio to cheap Double Din Android Unit from Amazon?
martin  Oct 07, 2020
1 answer
A
This interface will work in the 2005 Pathfinders that have the stock Bose system but do not have factory installed navigation. It works to install any universal aftermarket radio into the vehicle. It sounds like the radio you describe is a universal model (not vehicle specific model) and should work
jason  Oct 25, 2020 (Staff)
Q
I bought this for my 06 g35 sedan. Wired it as instructed. But head unit won't come on when turning the key to accessory. Am I missing something?
thomas  Aug 05, 2020
1 answer
A
I would check to see if your getting voltage from your signal wire with the key on. That's what tells the head unit to turn on
michael  Aug 05, 2020
Q
My 02 G20 has a cd changer tried a regular harnes. Needed the cd changer harness hooked up as well hopfully this harness works?
andrew  Jun 11, 2020
1 answer
A
CD changers that can be controlled by the stock radio will no longer work with an aftermarket radio installed. I wish I had different news for you on that
jason  Jun 30, 2020 (Staff)
Q
2001 Nissan Maxima why want it fix ?
lacoure anthony  May 02, 2020
1 answer
A
For vehicle fitment and compatibility information, please chat with an Advisor online or by phone at 1-800-324-9695.
jessica  May 24, 2020 (Staff)
Q
Will this work with 2012 Xterra pro4x with Rockford fosgate stereo? Wanting to install JVC 740bt.
rebecca  Oct 07, 2019
1 answer
A
Yes that is the correct harness for that vehicle to retain the factory amp. We also recommend a dash kit, and steering wheel control adapter (if you need them). You can connect with one of our product advisors to make sure you have a complete cart: https://www.crutchfield.com/I-rET1c290/S-SUliZgSTXG7/support/ContactUs.aspx
casey  Oct 18, 2019 (Staff)
Q
if my 2004 pathfinder amp is not working and I install a new stereo, can I bypass the factory bose amp and still use the bose speakers?
lisa  Sep 08, 2019
1 answer
A
If you replace the factory headunit and bypass the amplifier, we recommend replacing the factory speakers with aftermarkets, so you don't risk damaging the new head unit.
thomas  Sep 27, 2019 (Staff)
Q
how do i connect rca plugs from this Alpine stereo into 2004 pathfinder factory bose speakers/wiring harness?
lisa  Sep 08, 2019
1 answer
A
If you purchased the product from Crutchfield, feel free to contact our Tech. They can walk you through the settings on the product and see if there may be a fix. Our toll-free Tech Support number is printed on your invoice, and is also available under the "My Orders" tab in the "My Account" section of our website. If you did not purchase the unit from Crutchfield, then you may want to contact the manufacturer.
kristina  Sep 17, 2019 (Staff)
Q
The instruction says the low level inputs are for radio up to 25 watts x 4. My Pioneer says it's 14 x 4 RMS but 50 Watts Max. So do I use the low levels or the highs? Instructions aren't quite clear.
mark  Sep 01, 2019
1 answer
A
If you purchased the product from Crutchfield, feel free to contact our Tech Support team. Our toll-free Tech Support number is printed on your invoice, and is also available under the "My Orders" tab in the "My Account" section of our website. If you did not purchase the unit from Crutchfield, then you may want to contact the manufacturer.
kristina  Sep 10, 2019 (Staff)
Q
My 2010 frontier has a Rockford Fosgate system, this unit- which apparently Crutchfield is recommendong - says it allows you to use the stock Bose amp. Do I have a Bose amp and do I truly need this?
jeff  Apr 30, 2019
2 answers
A
You will want to contact an Advisor by phone (1-800-324-9695) or online chat to discuss compatibility with your factory system. They will be able to pull up your vehicle and see if this will integrate. If it does not, then they will also be able to discuss other options with you.
kristina  May 08, 2019 (Staff)
A
While the description for the harness does state Bose, it is also used to retain other factory amplifiers as well, such as the Rockford Fosgate amp in your truck. The harness is needed to retain the use of the factory amp.
thomas  May 01, 2019 (Staff)
Q
Installed in 03 Altima but volume is extremely low. It says let's you keep the Bose Amp but my car doesn't have the Bose system. Is there a different adapter for the car without an amp?
jerry  Feb 03, 2019
7 answers
A
If your new radio system has an option to turn on and off the internal app inside the radio make sure it is turned on, I had the same problem, if I turn my app off then I get almost no sound through the speakers, but if I turn it on it's as loud as can be. Just to be clear I am talking about the app that is built-in to the radio not the one built into the vehicle
armando  Feb 08, 2019
A
I did not use this in the 03 Altima. I just wired directly to the wiring harness.
philip  Feb 07, 2019
A
On my g35 with Bose system there was a choice on harness selection, with or without Bose system
ralph  Feb 07, 2019
A
I HAD a Bose system (that died) but no Bose Amp. I used this same interface on my Infiniti plus I had to buy a new stereo. It works great, very loud. Perhaps you got a defective interface?
jose  Feb 06, 2019
A
I think if you don't have the Bose system, then you just need the regular wiring harness vs the Bose adapter and the regular wiring harness. I would call cruthfield if your still having issues.
eric  Feb 06, 2019
A
Try and turn the volume up on factory stereo before disconnecting it (turn volume to full then turn key off)
john  Feb 06, 2019
A
I'm pretty sure if you're installing a stereo in a non Bose Altima you need a wiring harness not an imterface. The whole point of an interface is to retain the amplifier and make sure the speaker signal is not being amplified by both the stereo and the amp
michael  Feb 06, 2019
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