Garage
Shop
Account Icon
Account
Box Icon
Track
order
Telephone Icon
Call
Help Icon
Help
Door with Arrow Icon
Sign In
  1. Home
  2. Car Audio & Electronics
  3. Car Stereos
  4. Factory Stereo Upgrades
  5. All Factory Stereo Interfaces

All Factory Stereo Interfaces for your 1991 Premier close

Browse this category of factory stereo interfaces to find what you need to add an Android device, iPhone/iPod device, an AUX input, HD Radio, or Factory Radio & GPS Bypass to your factory car stereo.

Filters
Reset Done
Show products that do not fit
Brands
GROM Audio (1)

We are sorry, no available results!

Your Vehicle

close
Universal fit Icon
Explore universal-fit product options for your 1991 Premier
Vehicle-specific solutions are not available in this category.
Update vehicle | Remove vehicle | Vehicle store

Shop the Category

filter-icon Filters & Sort

GROM Audio BTD Bluetooth Streaming Dongle (GROM-BTD)

Add Bluetooth Hands Free Calling and Music Streaming to GROM-USB, GROM-BT3 and GROM-MST3 Smartphone Integration Kits

BTD big
Go to item page Right Arrow Icon of Right Arrow

GROM Audio BTD Bluetooth Streaming Dongle (GROM-BTD)

Add Bluetooth Hands Free Calling and Music Streaming to GROM-USB, GROM-BT3 and GROM-MST3 Smartphone Integration Kits

• Compatible With All Grom Audio OEM Interfaces Modules
• Plugs Directly To The Extension Port Of Grom Box
• Gives Wireless Handsfree Calling (Accept/Reject Call)
• Compatible With Large Number Of Phones
• Plug And Play

shipping truck icon Free shipping in USA. Provide zip for delivery date.
Universal Icon
Universal – fits most vehicles.
Shop similar products or Update vehicle
9
$64.99

In stock

Only 3 Left!

Add to Cart
 
    Clear all

    FAQ Frequently asked questions in All Factory Stereo Interfaces

    Factory Stereo Interfaces Frequently Asked Questions (FAQ)
    Factory stereo interfaces, also known as integration modules or adapters, are devices that enable the seamless integration of aftermarket car audio components with the existing factory stereo system. These interfaces bridge the gap between different technologies and protocols, allowing you to add features like amplifiers, subwoofers, Bluetooth connectivity, or navigation units without replacing the entire factory stereo.
    Factory stereo interfaces work by decoding the signals and protocols used by the factory stereo system and translating them into formats that aftermarket components can understand. These interfaces often connect to the vehicle's wiring harness and the factory stereo's outputs. They convert the audio signals to line-level or digital formats suitable for aftermarket amplifiers or processors. Additionally, some interfaces provide connections for steering wheel controls, backup cameras, and other integrated features, ensuring that you retain the functionality of the factory setup.
    Using factory stereo interfaces offers several benefits. They allow you to enhance your car's audio capabilities without replacing the entire factory stereo, preserving the vehicle's interior aesthetics and integration. Interfaces maintain factory features like steering wheel controls and backup cameras while adding new functionalities. This approach is often more cost-effective than a full stereo replacement. Additionally, interfaces ensure compatibility between aftermarket components and factory systems, reducing the risk of compatibility issues, wiring errors, and technical challenges during installation.
    To choose the right factory stereo interface, consider your vehicle's make, model, and year, as well as the specific aftermarket components you plan to install. Look for interfaces that are compatible with your car's factory stereo and offer the features you need, such as amplifier integration, signal processing, or connectivity options. Reading product descriptions, user reviews, and consulting with car audio professionals can guide you in selecting the appropriate factory stereo interface for your installation.
    Installing a factory stereo interface can vary in complexity depending on your vehicle's wiring and the aftermarket components you're integrating. If you're comfortable with car electronics and have a good understanding of your car's wiring, you might be able to handle the installation yourself. However, if you're not experienced with these tasks, or if your vehicle's wiring is intricate, seeking assistance from a professional car audio installer is recommended. Professionals can ensure proper wiring connections, integration with factory features, and optimal performance, resulting in a seamless and hassle-free installation.

    All About All Factory Stereo Interfaces

    If you're looking to enhance your car audio experience while maintaining the integrity of your factory stereo system, you're in the right place. On this page, you'll discover an exceptional range of Factory Stereo Interfaces that ensure a seamless connection between aftermarket audio equipment and your factory stereo.

    The advantages of incorporating a Factory Stereo Interface into your car audio setup are truly remarkable. One of the key benefits is the ability to retain essential features like steering wheel controls, factory amplifiers, and even your vehicle's backup camera functionality. With our Factory Stereo Interfaces, you don't have to compromise on convenience or safety when upgrading your car audio system.

    Additionally, Factory Stereo Interfaces provide an opportunity for enhanced sound quality. These interfaces ensure that your aftermarket audio components, such as amplifiers and speakers, receive a clean and optimal signal from your factory stereo. This results in improved audio clarity, depth, and power, allowing you to enjoy your favorite music in a whole new way.

    Sonic Electronix is your trusted partner in finding the ideal Factory Stereo Interface to elevate your car audio experience to new heights. Our user-friendly website offers a seamless platform to explore a wide variety of interfaces designed to fit various vehicle models and audio preferences. Whether you're a seasoned audiophile or a newcomer to car audio upgrades, our comprehensive product descriptions and customer reviews provide valuable insights to assist your decision-making process.

    Our team of car audio experts is dedicated to helping you select the perfect Factory Stereo Interface for your specific vehicle and audio goals. If you have any questions or need guidance, don't hesitate to reach out to us at 1-502-200-8010. Our knowledgeable staff is ready to provide personalized recommendations and ensure that your shopping experience is informative and enjoyable.

    why-shoping-with-sonic

    We love people and we're ready to help you! See what separates us from our competition.

    Take advantage of our VIP rewards like 10% back on your purchases, free 2-day shipping, extended warranties, and free returns! Gain access to all of these rewards without any membership fees.
    Get great discounted (and possibly FREE) installation accessories with most car stereo purchases. This includes dash kits, wiring harnesses and antenna adapters that you will need to properly install your new car stereo.
    We are an Authorized Dealer for all the brands we sell, including the most premium brands in car and marine audio such as Hertz, JL Audio, NVX, Rockford Fosgate, Kicker, Alpine, Kenwood and many more.
    Shop Deals and get up to 30% off premium brands! Shop Now! We are always looking out for the best products and deals to offer our customers. Don’t pay too much by shopping elsewhere!
    We have information on brands, gear, and more for you to explore! Check out our YouTube Channel for helpful how-to videos, product reviews, and Q&As. For a more detailed look, also visit our Learning Center!
    Our trained experts are here to assist you! They are just a phone call or click away to help you get the right gear for you and your vehicle!
    Why Shop With Us?
    Save up to 10 different vehicles in your garage
    Vehicle
    Store     Delete

    1991 Eagle Premier

    1995 Cadillac DeVille

    2013 MINI Cooper

    2016 Tesla Model S

    2005 Chrysler Pacifica

    2018 Audi S7

    2002 Audi A4

    2015 Audi RS7

    2022 MINI Cooper

    2005 Audi TT

    Add vehicle Clear all vehicles
    Where to find vehicle info
    Are you sure you want to clear your garage?
    This action cannot be undone. Confirm

    Cancel

    This category was not designed for products.
    If you continue, you will be redirected to a category customized for your vehicle. Continue

    Cancel

    Shop your 1991 Premier
    Why Use a Vehicle Fit Guide?
    Change vehicle | Shop without vehicle
    Whoa! Slow down. Add your details below!
    additional information required
    Add vehicle details to confirm fitment
    Ignore fitment details
    Find stereos and more that work -- fast.
    Remove

    Can't find your vehicle? Click here and we'll help.

    Where to find vehicle info

    Go to Fitment

    Didn't find your car?

    Submit your details and we'll help!
    Please enter the letters as they are shown in the image above. Letters are not case-sensitive.
    Identify your vehicle and submodel details
    • Owner's manual
    • Vehicle's insurance card
    • Vehicle registration
    • Vehicle produced after 2005: Inside driver's side door
    • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
    Car Info Side Door Icon
    Vehicle Registration Icon
    Vehicle Insurance Icon
    Back

    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

    • You see only parts engineered for your exact vehicle
    • You avoid incompatible radios, speakers, or wiring
    • Installation is smoother, faster, and frustration-free
    • You get the correct accessories the first time

    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.

    Back
    Track your order
    Call our experts
    Support Center
    Return & Exchanges
    Follow on Instagram Instagram logo
    Subscribe on YouTube YouTube logo