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JBL Club 44F (JBLSPKCB44F) (Like New (Open Box))

210W Peak (70W RMS) 4" Club Series 2 Way Coaxial 3-ohms Speakers

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210W Peak (70W RMS) 4" Club Series 2 Way Coaxial 3-ohms Speakers

• 105 watts Peak Each, 35 watts RMS Each
• Silk Edge Driven Dome Tweeters
• UV-Resistant Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 90 dB

10% Off Open Box!
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found car based on your search
Fits the following location in your A6
  • Front Door
List price $129.95
-35% $84.96 /pair
$76.46 with coupon | Price details

In stock

Only 1 Left!

• 105 watts Peak Each, 35 watts RMS Each
• Silk Edge Driven Dome Tweeters
• UV-Resistant Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 90 dB

Pioneer TS-A1081F

460W Peak (100W RMS) 4” A Series 2-way 4-ohm Coaxial Car Speakers

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460W Peak (100W RMS) 4” A Series 2-way 4-ohm Coaxial Car Speakers

• 230 watts Peak Each, 50 watts RMS Each
• 1" PEI (Polyetherimide) Hard Dome tweeters
• Carbon and Mica Reinforced Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

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found car based on your search
Fits the following location in your A6
  • Front Door
3
List price $110.00
-18% $90.00 /pair

In stock

Used from: $80.00

Polk Audio DB402 (DB 402)

270W Peak (90W RMS) 4" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

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270W Peak (90W RMS) 4" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

• 135 watts Peak Each, 45 watts RMS Each
• 3/4" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

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Install kits available for this speaker

found car based on your search
Fits the following location in your A6
  • Front Door
4
List price $99.99
-10% $90.00 /pair

In stock

Limited time!

Kicker KSC4 (51KSC404)

300W Peak (150W RMS) 4" KS Series 2 Way Coaxial 4-ohm Speakers

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300W Peak (150W RMS) 4" KS Series 2 Way Coaxial 4-ohm Speakers

• 150 watts Peak Each, 75 watts RMS Each
• 1/2" Silk Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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found car based on your search
Fits the following location in your A6
  • Front Door
3
List price $119.99
-17% $99.99 /pair

In stock

JL Audio C1-400x

70W RMS 4" C1 Series 2 Way Coaxial 4-ohm Car Speakers

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70W RMS 4" C1 Series 2 Way Coaxial 4-ohm Car Speakers

• 35 watts RMS Each
• 3/4" Silk-Suspended Aluminum Edge Driven Dome tweeters
• Mineral-Filled Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 84.5 dB

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found car based on your search
Fits the following location in your A6
  • Front Door
8
$94.99 /pair

In stock

Used from: $80.74

Rockford Fosgate Prime R14X2

120W Peak (60W RMS) 4” Prime Series 2 Way Coaxial 4-ohm Speakers

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120W Peak (60W RMS) 4” Prime Series 2 Way Coaxial 4-ohm Speakers

• 60 watts Peak Each, 30 watts RMS Each
• 1/2" Silk Dome tweeters
• Vacuum polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 85 dB

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Save $11 on install kits for this speaker

found car based on your search
Fits the following location in your A6
  • Front Door
14
$64.99 /pair

In stock

Used from: $41.99
Limited time!

JBL Club 44F (JBLSPKCB44F) (Open Box, Great)

210W Peak (70W RMS) 4" Club Series 2 Way Coaxial 3-ohms Speakers

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210W Peak (70W RMS) 4" Club Series 2 Way Coaxial 3-ohms Speakers

• 105 watts Peak Each, 35 watts RMS Each
• Silk Edge Driven Dome Tweeters
• UV-Resistant Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 90 dB

10% Off Open Box!
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Save $11 on install kits for this speaker

found car based on your search
Fits the following location in your A6
  • Front Door
List price $129.95
-46% $69.97 /pair
$62.97 with coupon | Price details

In stock

Only 1 Left!

• 105 watts Peak Each, 35 watts RMS Each
• Silk Edge Driven Dome Tweeters
• UV-Resistant Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 90 dB

DS18 ZXI-44

300W Peak (100W RMS) 4" ZXI Series 2-way 4-ohm Coaxial Car Speakers

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300W Peak (100W RMS) 4" ZXI Series 2-way 4-ohm Coaxial Car Speakers

• 150 watts Peak Each, 50 watts RMS Each
• 1" PEI (Polyetherimide) Dome tweeters
• Glass Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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found car based on your search
Fits the following location in your A6
  • Front Door
$80.95 /pair

In stock

Only 2 Left!

Limited time!

JL Audio C2-400x

70W RMS 4" C2 Series 2-Way Coaxial 4-ohm Car Speakers

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70W RMS 4" C2 Series 2-Way Coaxial 4-ohm Car Speakers

• 35 watts RMS Each
• 3/4" Silk Dome tweeters
• Mica Injected Polypropylene - MIPP cone material
• Impedance: 4 ohm
• Sensitivity: 84.5 dB

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found car based on your search
Fits the following location in your A6
  • Front Door
9
$189.99 /pair

In stock

Used from: $161.49
Limited time!

Kicker CSC4 (46CSC44) (Open Box, Great)

300W Peak (100W RMS) 4” CS Series 2 Way Coaxial 4-ohm Speakers

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300W Peak (100W RMS) 4” CS Series 2 Way Coaxial 4-ohm Speakers

• 150 watts Peak Each, 50 watts RMS Each
• 1/2" PEI (Polyetherimide) Balanced Dome Tweeters
• Polypropylene cone material
• Steel mesh speaker grilles included
• Impedance: 4 ohm
• Sensitivity: 88 dB

10% Off Open Box!
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Install kits available for this speaker

found car based on your search
Fits the following location in your A6
  • Front Door
List price $84.99
-38% $52.49 /pair
$47.24 with coupon | Price details

In stock

• 150 watts Peak Each, 50 watts RMS Each
• 1/2" PEI (Polyetherimide) Balanced Dome Tweeters
• Polypropylene cone material
• Steel mesh speaker grilles included
• Impedance: 4 ohm
• Sensitivity: 88 dB

Limited time!

JBL Stage3 427F (STAGE3427FAM)

300W Peak (60W RMS) 4" Stage3 Series 2-Way Coaxial 3-ohm Car Speakers

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300W Peak (60W RMS) 4" Stage3 Series 2-Way Coaxial 3-ohm Car Speakers

• 150 watts Peak Each, 30 watts RMS Each
• Edge Driven Dome tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 90 dB

Free Speaker Accessory at Checkout!
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Save $11 on install kits for this speaker

found car based on your search
Fits the following location in your A6
  • Front Door
3
List price $89.95
-22% $69.95 /pair

In stock

Only 1 Left!

Used from: $48.97
Limited time!

Rockford Fosgate Punch P1 P142

120W Peak (60W RMS) 4" Punch Series 2 Way Coaxial 4-ohm Speakers

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120W Peak (60W RMS) 4" Punch Series 2 Way Coaxial 4-ohm Speakers

• 60 watts Peak Each, 30 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome tweeters
• Injection-molded mineral-filled polypropylene cone material with VAST technology
• Impedance: 4 ohm
• Sensitivity: 86.5 dB

Free Speaker Accessory at Checkout!
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found car based on your search
Fits the following location in your A6
  • Front Door
11
$109.99 /pair

In stock

Only 1 Left!

Used from: $93.49
Limited time!

Kicker CSC4 (46CSC44)

300W Peak (100W RMS) 4” CS Series 2 Way Coaxial 4-ohm Speakers

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300W Peak (100W RMS) 4” CS Series 2 Way Coaxial 4-ohm Speakers

• 150 watts Peak Each, 50 watts RMS Each
• 1/2" PEI (Polyetherimide) Balanced Dome Tweeters
• Polypropylene cone material
• Steel mesh speaker grilles included
• Impedance: 4 ohm
• Sensitivity: 88 dB

Free Speaker Accessory at Checkout!
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Save $3 on install kits for this speaker

found car based on your search
Fits the following location in your A6
  • Front Door
1
List price $84.99
Save 29%
-29% $59.96 /pair

In stock

Used from: $52.49
Limited time!

Alpine S2-S40

280W Peak (90W RMS) 4" S-Series Hi-Res 2-Way Coaxial 4-ohm Car Speakers

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280W Peak (90W RMS) 4" S-Series Hi-Res 2-Way Coaxial 4-ohm Car Speakers

• 140 watts Peak Each, 45 watts RMS Each
• Hi-Res Audio Certified
• 3/4" Cloth Soft Dome tweeters
• Polypropylene, Glass Fiber and Mica cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB

Free Speaker Accessory at Checkout!
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found car based on your search
Fits the following location in your A6
  • Front Door
2
List price $130.00
-15% $109.95 /pair

In stock

Limited time!

Infinity Reference REF-4032cfx (REF4032CFXAM)

210W Peak (70W RMS) 4" Reference Series 2 Way Coaxial 3-ohm Speakers

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210W Peak (70W RMS) 4" Reference Series 2 Way Coaxial 3-ohm Speakers

• 105 watts Peak Each, 35 watts RMS Each
• 1" Textile Balanced Dome tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 92 dB

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found car based on your search
Fits the following location in your A6
  • Front Door
1
List price $139.95
-43% $79.99 /pair

In stock.

Limited time!

JBL Club 422F (SPKCB422FAM)

210W Peak (70W RMS) 4" Club Series 2 Way Coaxial 3-ohm Speakers

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210W Peak (70W RMS) 4" Club Series 2 Way Coaxial 3-ohm Speakers

• 105 watts Peak Each, 35 watts RMS Each
• Edge-driven Silk Edge Driven Dome Tweeters
• UV-Treated Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 90 dB

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Save $9 on install kits for this speaker

found car based on your search
Fits the following location in your A6
  • Front Door
List price $129.95
Save $59.96
-46% $69.99 /pair

In stock

Kicker DSC40 (43DSC404)

240W Peak (60W RMS) 4" DS Series 2-way 4-ohm Coaxial Car Speakers

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240W Peak (60W RMS) 4" DS Series 2-way 4-ohm Coaxial Car Speakers

• 120 watts Peak Each, 30 watts RMS Each
• 1/2" PEI (Polyetherimide) Balanced Dome tweeters
• Polypropylene cone material with Extended Voice Coil (EVC) technology
• Impedance: 4 ohm
• Sensitivity: 88 dB

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Save $5 on install kits for this speaker

found car based on your search
Fits the following location in your A6
  • Front Door
2
List price $74.99
-13% $64.99 /pair

In stock

Limited time!

Hertz DCX 100.3

120W Peak (60W RMS) 4" Dieci Series 2-Way Coaxial 4-ohm Car Speakers

DCX 100.3 big
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120W Peak (60W RMS) 4" Dieci Series 2-Way Coaxial 4-ohm Car Speakers

• 60 watts Peak Each, 30 watts RMS Each
• 5/8" PEI (Polyetherimide) Dome tweeters
• Water-repellent Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

Free Speaker Accessory at Checkout!
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found car based on your search
Fits the following location in your A6
  • Front Door
2
List price $150.00
-13% $129.99 /pair

In stock

Limited time!

JBL Club 44F (JBLSPKCB44F)

210W Peak (70W RMS) 4" Club Series 2 Way Coaxial 3-ohms Speakers

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210W Peak (70W RMS) 4" Club Series 2 Way Coaxial 3-ohms Speakers

• 105 watts Peak Each, 35 watts RMS Each
• Silk Edge Driven Dome Tweeters
• UV-Resistant Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 90 dB

Free Speaker Accessory at Checkout!
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found car based on your search
Fits the following location in your A6
  • Front Door
List price $129.95
-23% $99.95 /pair

In stock

Used from: $69.97 Like New from: $84.96
Limited time!

JVC CS-DR421

440W Peak (70W RMS) 4" DRVN DR Series 2-Way 4-ohm Shallow-Mount Coaxial Car Speakers

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440W Peak (70W RMS) 4" DRVN DR Series 2-Way 4-ohm Shallow-Mount Coaxial Car Speakers

• 220 watts Peak Each, 35 watts RMS Each
• 1" Polyetherimide Balanced Dome tweeters
• Carbon Mica cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

Free Speaker Accessory at Checkout!
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Fits the following location in your A6
  • Front Door
List price $119.00
-17% $99.00 /pair

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    All About 4" Speakers


    4” Car Speakers

    4" car speakers, also known as 4" coaxial speakers, are designed to fit into small spaces in your vehicle, such as the doors or dashboard. Marine and power sport vehicles commonly use 4" speakers because of their durability and reliability in harsh environments. As far as factory-installed car speakers go, the maximum tweeter size is 4 inches. They can produce highs, mids, and lows, allowing for crisp vocals and a thumping bass.

    4" car speakers typically have two components: a woofer and a tweeter. The woofer produces low-frequency sounds, such as bass and drums. At the same time, the tweeter handles high-frequency sounds, like vocals and cymbals. Some 4" speakers have a built-in crossover network that divides the audio signal and sends the appropriate frequencies to the woofer and tweeter.

    Upgrade your car's sound system with these convenient and affordable 4" car speakers. Though diminutive in size, they can produce high-quality audio with crisp vocals. Sonic Electronix carries a wide variety of aftermarket 4-inch automobile speakers from industry-leading brands, including NVX, Kicker, JL Audio, JBL, Rockford-Fosgate, Alpine, Kenwood, Cerwin-Vega, and many more.

    4" Speakers Frequently Asked Questions (FAQ)
    4" speakers, also known as 4-inch speakers, are compact audio drivers designed to reproduce mid-range frequencies in car audio systems. They are a common speaker size found in various vehicles, especially in the dashboard or door panels. 4" speakers are often used as factory or OEM speakers due to their small size and ability to fit in tight spaces. These speakers play a crucial role in delivering clear vocals and mid-range frequencies, contributing to a balanced soundstage. While they may not produce deep bass like larger subwoofers, 4" speakers are essential for achieving a well-rounded and enjoyable listening experience.
    Upgrading to aftermarket 4" speakers offers several advantages over factory speakers. Aftermarket speakers typically feature higher-quality materials and construction, resulting in improved sound clarity and accuracy. The use of premium components, such as polypropylene or mica-infused cones and silk or Mylar dome tweeters, enhances the overall sound performance. Aftermarket 4" speakers can handle more power, reducing distortion at higher volumes and delivering a cleaner sound. Additionally, some aftermarket 4" speakers come with swivel or pivot tweeters, allowing you to adjust the sound direction for better sound staging. Upgrading to aftermarket speakers also allows for customization, as you can choose speakers that match your preferred sound signature. Overall, the upgrade to aftermarket 4" speakers significantly enhances the audio quality and listening pleasure in your car.
    To determine if 4" speakers are compatible with your vehicle, you'll need to check the available space for speaker installation. Measure the diameter and mounting depth of the existing speakers or speaker locations in your car's dashboard or door panels. Most 4" speakers have standardized measurements, but some vehicles may have unique speaker mounting requirements. If your car came with factory-installed 4" speakers, it's usually a straightforward replacement with aftermarket 4" speakers. However, some vehicles may have non-standard speaker sizes or mounting configurations, requiring additional adapters or modification for a proper fit. To ensure compatibility and a hassle-free installation, consider consulting a car audio professional or using an online fitment guide.
    While 4" speakers can reproduce mid-range frequencies with clarity, they are not designed to produce deep bass like larger subwoofers or woofers. Their compact size limits their ability to move a significant volume of air required for low-frequency reproduction. However, many 4" aftermarket speakers are designed with improved bass response compared to factory speakers. They use advanced engineering and materials to optimize the mid-bass performance, providing a more balanced sound. Additionally, if you seek enhanced bass, consider pairing 4" speakers with a subwoofer or a larger speaker system. The combination of 4" speakers for mid-range and high frequencies, along with a dedicated subwoofer for low frequencies, can result in a more robust and satisfying audio experience with full-range sound reproduction.
    The installation of 4" speakers can vary depending on your car's make and model, as well as your level of experience with car audio installations. If your vehicle has straightforward and accessible speaker locations for 4" speakers, you may be able to handle the installation yourself with the right tools and know-how. Many aftermarket 4" speakers come with installation instructions and mounting accessories, making the process more manageable. However, some vehicles may have more challenging installation requirements, such as custom mounting brackets or adapters. If you are unsure about the installation process or lack experience, it's advisable to seek professional installation. Car audio experts can ensure a proper and secure fit for optimal sound performance and prevent any damage to your vehicle's interior. Professional installation also provides peace of mind knowing that your new 4" speakers are set up correctly for the best audio experience.

    If you're searching for exceptional audio upgrades for your car, look no further. Our extensive collection of high-performance 4” speakers guarantees that you'll find only the best products to elevate your in-car listening experience. Don't settle for mediocre sound quality - explore our range now and discover the perfect 4” speakers that will transform your drive into a concert-like experience!

    Advantages of 4” Speakers:

    Despite their compact size, 4” speakers offer a multitude of advantages that make them an ideal choice for car audio enthusiasts. One of the key benefits of these speakers is their versatility in installation. Due to their smaller footprint, they can be easily mounted in various locations within your vehicle, making them suitable for cars with limited space for speaker placement. Additionally, their compact design allows them to integrate seamlessly into the existing audio system.

    4” speakers are also known for their excellent mid-range performance, which is crucial for reproducing vocals and instruments with exceptional clarity and detail. By adding 4” speakers to your setup, you can enhance the overall sound quality and fill in the soundstage for a more immersive listening experience.

    At Sonic Electronix, we take pride in offering a wide selection of premium 4” speakers from top-notch brands in the industry. Our team of audio experts is ready to assist you in finding the best 4” speakers that match your preferences and vehicle requirements. Whether you seek improved vocal clarity or a well-balanced soundstage, we have the perfect 4” speakers to suit your audio aspirations.

    For personalized guidance and expert advice, don't hesitate to contact our knowledgeable staff at 1-502-200-8010. Our audio specialists are dedicated to helping you create the ultimate car audio setup that caters to your unique audio preferences and driving style.

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    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?
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    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.