See all parts that fit your 2005 Optima
Install New Car Stereo and Retain Factory Amplifier In select 1994-2012 vehicles from Nissan, Infiniti
Product highlights
• Direct connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required
7" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay and Android Auto (SiriusXM Ready)
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6.2" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto and Phone Mirroring
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Replace the factory-installed Bose radio in select Nissan and Infiniti vehicles and retain the factory amplified audio system's function without cutting the factory wiring. Includes OEM-1 interface and a vehicle-specific harness. Plug-and-play installation retains factory wiring integrity. Transformer isolated for optimal sound and performance Maintains correct phasing Retains the function of the factory-installed amplified sound system.
Please use our Fitment Guide to determine specific compatibility for the submodel and audio features
The vehicle you have selected 2005 Kia Optima is not compatible. Change vehicle or See list of compatible similar products
6.75" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto with Backup Camera
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600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers
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900W Peak (300W RMS) 6x9” CS Series 3 Way Coaxial 4-ohm Speakers with Integrated Midrange Speakers
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7" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay and Android Auto (SiriusXM Ready)
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6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto, and SiriusXM Ready
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6.8" Double DIN Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay, and Android Auto (SiriusXM Ready)
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480W Peak (120W RMS) 6.5” DS Series 2-way 4-ohm Coaxial Car Speakers (DSC6504)
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600W Peak (200W RMS) 6.5" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers
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360W Peak (120W RMS) 6.5" Club Series 2-way Coaxial 3-ohm Speakers
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• Bluetooth Version 2.1 Connectivity for select 1998-2006 BMW Vehicles (iBus version II)
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Manufacturer:
Model Number:
ROEM-NIS2
Weight:
0.81lbs
Internal SKU:
roemnis2
Internal Product ID:
11164
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Nice product
I used this on my 2000 Maxima. It worked great and saved me hundreds of dollars to replace the factory amp and speakers. (BTW I don't know what the comment above about buttons is about.)
56 found this helpful
It makes life easier.
For Nissan cars, the signal of OEM headunit is preamp. Otherwise you better connect the preamps to the speaker cables and you are done, sound will be better. BOSE amplifiers respond really well when they are connected to 4 or 5 Volt preouts. It is all you need.
If your aftermarket radio has no preamp output, you need this item.
I need the preamps and my AVH-5050dvd has only two preamps. I wired the front preamp to the front speakers (yes, direct) with RCA's, the rear preout to SubWoffer. For the rear i used this unit, adjust the level to the appropriate audio gain (I had a hard time with this, but once made, you are done).
55 found this helpful
Pac roem ins-2
This worked great with my new stereo, made installation very simple
56 found this helpful
PAC oem - infinity g20
Works great connected to cx609 running signal to stock Bose amp. No need for adjustment, set perfect out of the box. Originally installed head unit with preamp output to speaker wire device, but with 2v preamp outputs volume was too limited. PAC OEM 1 solved the issue.
51 found this helpful
PAC roem-nis2
This is a great product I installed it on my 06 350z with Bose and it works great. I can finally hear my factory sub I greatly recomend this product and this company shipping was fast and the best price I found.
54 found this helpful
Pac roem ins-2
This worked great with my new stereo, made installation very simple
51 found this helpful
Great Product!
I got this product when the adapter that came with my sound system wasn't compatible with my bose system in my '03 G35. The old adapter had the two RCA connectors for the sound and that's it. It seems that kind of adapter only allows my front two speakers to work. When I installed this, all four speakers and subwoofer worked again!
Pros: Brings out best of my Bose system in my '03 G35
Cons: Doesn't manufacture money.
52 found this helpful
worked perfectly
Product worked exactly as described. Fixed my audio issues and then some.
49 found this helpful
worked great
product was easy to install and worked great.
49 found this helpful
Very good sound , but incorrect listing
I love this package! I installed it ( using the correct wiring harness ) and it took me less than an hour, it's very easy and the sound of my speakers is better than the factory radio.
49 found this helpful
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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:
Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.
