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NVX XLOC44X

4 Input / 4 Output Line Output Converter with Impedance Matching and Remote Level Control

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4 Input / 4 Output Line Output Converter with Impedance Matching and Remote Level Control

• 4-Channel Speaker Level Inputs
• 4-Channel RCA Outputs
• Handles up to 40V (400 watts RMS)
• Provides up to 9.5 Volts of output
• Auto turn-on via DC offset or Audio detection 
• Load selection switch (20, 60, or 20K ohm)
• Wired remote bass level control included
• LED Clip indicator

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1
List price $149.99
-57% $64.99

In stock

Used from: $69.99

• 4-Channel Speaker Level Inputs
• 4-Channel RCA Outputs
• Handles up to 40V (400 watts RMS)
• Provides up to 9.5 Volts of output
• Auto turn-on via DC offset or Audio detection 
• Load selection switch (20, 60, or 20K ohm)
• Wired remote bass level control included
• LED Clip indicator

PAC LP3-4

L.O.C. PRO Series 4-Channel Line Output Converter

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L.O.C. PRO Series 4-Channel Line Output Converter

• 4-Channel LOC PRO Series
• 33% Smaller Size Gives More Room For Vital Components
• 55 Watts Per Channel
• Speaker Level Input to RCA Level Output
• Single Dial

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2
List price $69.00
-48% $35.99

In stock

• 4-Channel LOC PRO Series
• 33% Smaller Size Gives More Room For Vital Components
• 55 Watts Per Channel
• Speaker Level Input to RCA Level Output
• Single Dial

Kicker KEYLOC® (47KEYLOC) (Like New (Open Box))

KEY series powered line-out converter; RoHS Compliant

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KEY series powered line-out converter; RoHS Compliant

• 2-channel active line output converter
• 2 speaker-level inputs with up to 400 watts RMS power handling
• 2 preamp-level outputs (up to 10V)

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List price $169.99
-25% $127.49

In stock

Only 1 Left!

• 2-channel active line output converter
• 2 speaker-level inputs with up to 400 watts RMS power handling
• 2 preamp-level outputs (up to 10V)

Install Bay IBR69

100W 2-Channel Mini Line Output Converter

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100W 2-Channel Mini Line Output Converter

• 2-Channel mini line output converter
• Auto remote amp turn-on
• 6:1 step down with adjustable output
• Handles up to 50 watts of input power per channel

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List price $16.99
-12% $14.99

In stock

Only 3 Left!

• 2-Channel mini line output converter
• Auto remote amp turn-on
• 6:1 step down with adjustable output
• Handles up to 50 watts of input power per channel

PAC LP7-2R

2-Channel LOCPro Series Line Output Converter with Remote Level Input

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2-Channel LOCPro Series Line Output Converter with Remote Level Input

• 2-Channel Line Output Converter
• Designed for adding or retaining an amplified system
• Accepts both high-level and low-level inputs
• Remote level controller included

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1
List price $99.00
-54% $45.99

In stock

Only 2 Left!

• 2-Channel Line Output Converter
• Designed for adding or retaining an amplified system
• Accepts both high-level and low-level inputs
• Remote level controller included

NVX XLOC24X

2 Input / 4 Output Line Output Converter with Impedance Matching

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2 Input / 4 Output Line Output Converter with Impedance Matching

• 2-Channel Speaker Level Inputs
• 4-Channel RCA Outputs
• Handles up to 40V (400 watts RMS)
• Provides up to 9.5 Volts of output
• Auto turn-on via DC offset or Audio detection 
• Load selection switch (20, 60, or 20K ohm)
• LED Clip indicator

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2
List price $51.24
-12% $44.99

In stock

Used from: $31.49

• 2-Channel Speaker Level Inputs
• 4-Channel RCA Outputs
• Handles up to 40V (400 watts RMS)
• Provides up to 9.5 Volts of output
• Auto turn-on via DC offset or Audio detection 
• Load selection switch (20, 60, or 20K ohm)
• LED Clip indicator

PAC LPHEXT17

17 ft. LOC Speaker Harness Extension

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17 ft. LOC Speaker Harness Extension

• LPH speaker extension harness
• Compatible plugs and color-coded wires
• Length: 17 feet

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List price $139.00
-50% $69.99

In stock

• LPH speaker extension harness
• Compatible plugs and color-coded wires
• Length: 17 feet

Axxess AXLOCM-150

75W 2-Channel Adjustable Line Output Converter with Amplifier Turn-On

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75W 2-Channel Adjustable Line Output Converter with Amplifier Turn-On

• Adjustable line output converter
• 75-watt maximum input
• 2 channel input connection
• 6:1 step down with fixed output
• 12-volt signal sense turn-on
• Molded channels so zip ties will not slip

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List price $42.99
-12% $37.99

In stock

Only 2 Left!

• Adjustable line output converter
• 75-watt maximum input
• 2 channel input connection
• 6:1 step down with fixed output
• 12-volt signal sense turn-on
• Molded channels so zip ties will not slip

NVX XMICROLOC4

600W RMS 4-Channel Micro Line Output Converter with Remote Turn-on Trigger

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600W RMS 4-Channel Micro Line Output Converter with Remote Turn-on Trigger

• 4-Channel Micro Line Output Converter
• Input Circuit corrects crossover distortion
• Individual adjustable outputs
• Auto turn-on via DC offset
• Compact design allows for easy install

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2
List price $31.24
-10% $27.99

In stock

Used from: $16.79 Like New from: $23.79

• 4-Channel Micro Line Output Converter
• Input Circuit corrects crossover distortion
• Individual adjustable outputs
• Auto turn-on via DC offset
• Compact design allows for easy install

Install Bay IBLOC04

60W 4-Channel Adjustable Line Output Converter

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60W 4-Channel Adjustable Line Output Converter

• 4-Channel adjustable line output converter
• 60 watts of input power
• Fully adjustable dual output level controls
• Transformer design isolates ground loops

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9
List price $16.99
-12% $14.99

In stock

• 4-Channel adjustable line output converter
• 60 watts of input power
• Fully adjustable dual output level controls
• Transformer design isolates ground loops

Hifonics VLOC-2V1

2-Channel MAXXLINK VLOC Series Line Output Converter with Gain Level Adjustment

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2-Channel MAXXLINK VLOC Series Line Output Converter with Gain Level Adjustment

• 2-Channel line output converter
• Converts high-level speaker output signal to RCA signal
• Features a gain level adjustment
• Universal fit for most vehicle applications

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$29.99

In stock

Only 3 Left!

• 2-Channel line output converter
• Converts high-level speaker output signal to RCA signal
• Features a gain level adjustment
• Universal fit for most vehicle applications

Hifonics VLOC-4V1

4-Channel MAXXLINK VLOC Series Line Output Converter with Gain Level Adjustment

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4-Channel MAXXLINK VLOC Series Line Output Converter with Gain Level Adjustment

• 4-Channel line output converter
• Converts high-level speaker output signal to RCA signal
• Features a gain level adjustment
• Universal fit for most vehicle applications

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$49.99

In stock

Only 1 Left!

• 4-Channel line output converter
• Converts high-level speaker output signal to RCA signal
• Features a gain level adjustment
• Universal fit for most vehicle applications

Axxess AXLOC-150A

150W 2-Channel Adjustable Line Output Converter

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150W 2-Channel Adjustable Line Output Converter

• Adjustable line output converter
• 150-watt maximum input
• 2 channel input and 2 channel output
• Separate level adjustments for each channel
• Molded channels so zip ties will not slip

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List price $36.99
-11% $32.99

In stock

• Adjustable line output converter
• 150-watt maximum input
• 2 channel input and 2 channel output
• Separate level adjustments for each channel
• Molded channels so zip ties will not slip

Axxess AXLOC4-80A

80W 4-Channel Adjustable Line Output Controller

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80W 4-Channel Adjustable Line Output Controller

• Adjustable line output converter
• 80-watt maximum input
• 4 channel input connection
• 6:1 step down with fixed output
• Molded channels so zip ties will not slip

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List price $53.99
-11% $47.99

In stock

Only 1 Left!

• Adjustable line output converter
• 80-watt maximum input
• 4 channel input connection
• 6:1 step down with fixed output
• Molded channels so zip ties will not slip

Crux LOC-4

4-Channel Line Output Converter with Remote 12-Volt Trigger

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4-Channel Line Output Converter with Remote 12-Volt Trigger

• 4-Channel line output converter with 12-volt remote trigger
• Adds aftermarket amplifier to factory stereo
• Adds aftermarket stereo to factory amplified system

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List price $23.10
-36% $14.85

In stock

Only 3 Left!

• 4-Channel line output converter with 12-volt remote trigger
• Adds aftermarket amplifier to factory stereo
• Adds aftermarket stereo to factory amplified system

Stinger SSLOC35

70W 2-Channel Line Output Converter

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70W 2-Channel Line Output Converter

• Passive 2-channel line output converter
• Designed to integrate with aftermarket or factory OEM systems
• Gold-plated RCA jacks
• Maximum Input: 35 watts per channel

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List price $29.00
-38% $17.99

In stock

Only 3 Left!

• Passive 2-channel line output converter
• Designed to integrate with aftermarket or factory OEM systems
• Gold-plated RCA jacks
• Maximum Input: 35 watts per channel

Axxess AXLOC-55SP

55W 2-Channel Adjustable Line Output Converter with Short Protection

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55W 2-Channel Adjustable Line Output Converter with Short Protection

• Adjustable line output converter
• 55-watt maximum input
• 2 channel input connection
• 6:1 step down with fixed output
• 12-volt signal sense turn-on
• Molded channels so zip ties will not slip

shipping truck icon Free shipping in USA. Provide zip for delivery date.
List price $26.99
-11% $23.99

In stock

• Adjustable line output converter
• 55-watt maximum input
• 2 channel input connection
• 6:1 step down with fixed output
• 12-volt signal sense turn-on
• Molded channels so zip ties will not slip

Cerwin-Vega SLMLOCT2

SYNCLINK 2 Channel High Powered Mini line output converter w/ trigger

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SYNCLINK 2 Channel High Powered Mini line output converter w/ trigger

• 2-channel High-powered
• Premium adjustable line output converter
• 6:1 Step Down With Adjustable Output
• DC Amplifier Turn On Trigger
• Super Low Distortion

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List price $35.99
-17% $29.99

In stock

• 2-channel High-powered
• Premium adjustable line output converter
• 6:1 Step Down With Adjustable Output
• DC Amplifier Turn On Trigger
• Super Low Distortion

Rockford Fosgate RF-HLC4

4-Channel High-to-Low Level Line Out Converter

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4-Channel High-to-Low Level Line Out Converter

• 4-Channel Line Out Converter
• Designed to integrate with aftermarket or factory OEM systems
• Speaker level inputs
• 2-channel preamp output

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$59.99

Available

Ships in 10-14 days

• 4-Channel Line Out Converter
• Designed to integrate with aftermarket or factory OEM systems
• Speaker level inputs
• 2-channel preamp output

Axxess AXLOC-30F

30W 2-Channel Fixed Line Output Converter

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30W 2-Channel Fixed Line Output Converter

• Fixed line output converter
• 30-watt maximum input
• 2 channel input connection
• Molded channels so zip ties will not slip

shipping truck icon Free shipping in USA. Provide zip for delivery date.
List price $23.99
-13% $20.99

In stock

• Fixed line output converter
• 30-watt maximum input
• 2 channel input connection
• Molded channels so zip ties will not slip

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    FAQ Frequently asked questions in Car Amplifiers


    The main considerations for matching a car amplifier to a subwoofer are RMS Power Ratings, Impedance, and the type of amp. Typically, we recommend finding an amplifier that can deliver 110% of the rated power of the sub at the impedance necessary to avoid as much clipping (Distortion) as possible at the rated power. The amplifiers to consider are typically single-channel amplifiers. However, a 2-channel amp will work in low pass filter mode, and a 5-channel amp is great when you want a single amplifier to power your sub and multiple speakers. Read more about Matching Amps with Subs at the Sonic Electronix knowledge base. Read more about Matching Amps with Subs at the Sonic Electronix knowledge base.
    You can connect an aftermarket car amp to most modern OEM factory car stereos by using a Line output converter (or LOC for short). You can connect an aftermarket car audio amplifier to most modern OEM factory car stereos by using a Line output converter (or LOC for short). A LOC is engineered to convert high-level signal of your factory radio to low-level RCA signal to your amp. Further, an LOC will help make sure you do not suffer bass roll-off or other sound loss resulting from the factory stereo's preset EQ curves. An alternative to adding an LOC would be to shop for an amp with speaker level inputs (or high-level inputs); however, these solutions tend to not account for the aforementioned bass/sound-roll off with modern vehicles, and therefore is not as recommended as simply integrating an LOC with your amp.
    You can connect an aftermarket car amp to popular aftermarket car stereos by using the built-in preamp outputs of the aftermarket stereo for easy installation. This is one of the primary reasons customers love buying an aftermarket stereo when possible. However, this trend is slowing due to vehicle manufacturers making it incredibly difficult to change the factory stereo in modern vehicles.

    In addition to vehicle manufacturer challenges, if you own an aftermarket stereo that is entry-level or does not have preamp outputs, then you will need to purchase a line output converter (or LOC for short). A LOC will help deliver the proper preamp signal your amp needs as it will convert the high-level output signal from your aftermarket radio to the low-level outputs to the amplifier. There are select amplifiers that have built-in LOCs. However, they tend to be more expensive..

    Amplifiers are engineered to convert these electrical signals by a few different methods called "classes." The most common amplifier classes are A/B and D. The most popular option in amplifiers is Class D. They are the most efficient and stay cooler than Class A/B, and they have a smaller footprint so they can be installed virtually anywhere. Though Class A/B traditionally were reserved for high-fidelity applications, in today's world we see them becoming less and less popular. They are usually reserved for many entry level situations where the manufacturer wants to avoid the higher cost of a Class D chip. Read more about Amp Classes at the Sonic Electronix knowledge base.
    An amplifier will provide higher volume, more power, and less distortion. These external amps provide cleaner audio signals versus your head unit and factory equipment. Before upgrading your factory speakers, you can add an amplifier and see if there is a significant change to your speakers. Often times it is enough to bring your entire audio system to life without having to purchase additional speakers. Read more about matching speakers to car amps at the Sonic Electronix knowledge base.

    All About

    Car Amplifiers

    A car amplifier acts as the centerpiece of any state-of-the-art sound system. To power your car's aftermarket stereo, you'll need an amplifier. Simply said, an amplifier in a car takes a weak signal from its source (the stereo) and boosts it to an audible level. 

    Amplifying your speakers will allow them to reach their maximum potential, as signals from source devices are normally quite low voltage, which is good for most speakers (but not subwoofers). A source unit can power your speakers, but a subwoofer needs an amplifier. Your system's sound quality and volume will both benefit from an increase in its power.

    Shop and find the best car amplifiers, audio amplifiers that include Monoblock car amps, 4-channel amplifiers, 2-channel power amps, and even 5-channel and 6-channel models. Additionally, you can find Class AB amps and shop for Class D amps for specific types of amp circuitry. If you are in need of a car amp to play music and audio directly from your phone to an amp, then check out our Bluetooth car amplifiers. They work great for old school renovators or ATV/UTV owners who want to pair directly to their system without a stereo or altering the look of the dash.

    A car amplifier acts as the centerpiece to any state of the art sound system. Any audio system that features subwoofers must have at least one amp to provide enough power for the speaker to operate as it was designed. A head unit, even one with an internal amp, is simply not enough to power the subwoofers. Not all speakers require amplifiers, but they sound better when they are hooked up to one. Speakers are powered by multi-channel amplifiers, primarily 4-channel amps or 2-channel amps. Like with subwoofers, the RMS power of your amp should match, or slightly exceed that of your subs or speakers to get the best performance. This power delta is commonly referred to as "headroom" and essentially allows your speaker or sub to receive adequate power and not suffer from distorted or stressed power situations. To power more than one speaker, like a set of tweeters, midrange and subwoofers, you'll want to consider more amplifier channels, such as 3-channel amps and 5+ channel amps.

    We also offer amplifier installation & accessories, wiring kits, car batteries, high output alternators, and othersound processing equipment you may need to complete your system.

    Let us help you choose the right car amp. If you have any questions, give us a call at 1-502-200-8010. Our staff will help you in selecting the perfect setup so you can start building your first class car audio system today!

    Different Amplifier Class

    Amplifiers are engineered to convert these electrical signals by a few different methods called “classes.” The most common amplifier classes are AB and D. 

    Class AB amplifiers take up a significant amount of space and are used in Hi-Fi systems, while Class D amplifiers are known to be more efficient, can fit in tight spaces, and are the standard amplifiers used in today’s vehicles. 

    Amplifier Configurations

    When looking for an amplifier, it’s important to know what you intend to use it for. 

    If you’re simply adding a subwoofer to your system you will only need a monoblock or a 2-channel amp. With a complete system (4 speakers and a subwoofer) your best bet is can range from a 3-channel, 4-channel, 5-channel or multi-channel amplifier

    It is critical to the success of your sound system that you match up all of your equipment (speakers, subwoofer, source unit) with the right amplifier to make sure everything is powered properly to give you the best sound possible.

    Further reading at Sonic Electronix Learning Center: 

    Looking for the best quality car amplifiers to take your car audio experience to the next level? Look no further! At Sonic Electronix, we offer a wide range of top-notch car amplifiers that are sure to elevate your in-car entertainment. Explore our selection now and find the perfect amplifier that suits your audio needs.

    In the world of car audio, a high-quality car amplifier is an essential component for achieving exceptional sound performance. Whether you're a music aficionado or simply enjoy immersive audio during your daily commute, a car amplifier is your ticket to unparalleled sound quality. So, what exactly is a car amplifier, and why is it so crucial? A car amplifier is an electronic device designed to increase the power of audio signals sent to the speakers, ensuring that they receive sufficient power to produce clear, detailed, and distortion-free sound. It acts as a powerhouse for your car's audio system, enabling your speakers and subwoofers to perform at their best potential. Enhanced Sound Quality: One of the most significant advantages of having a car amplifier is the dramatic improvement in sound quality. The added power from the amplifier allows your speakers and subwoofers to reproduce audio with greater accuracy and clarity, resulting in a more immersive listening experience. Better Bass Response: If you crave deep, powerful bass, a car amplifier is a must-have. Amplifiers can deliver the extra power required to drive subwoofers effectively, resulting in punchier and more impactful bass performance. Reduced Distortion: When your car's audio system is underpowered, speakers may struggle to handle high volume levels, leading to distortion. With a car amplifier, the power is distributed efficiently, minimizing distortion even at high volumes. Flexibility in Speaker Selection: By using a car amplifier, you can choose from a wider range of speakers and subwoofers, as you're not limited to those that can be powered directly by the head unit. This opens up more possibilities for customizing your audio setup.

    At Sonic Electronix, we take pride in offering an extensive selection of top-quality car amplifiers from leading brands. Our team of audio experts is dedicated to helping you find the perfect amplifier that matches your specific requirements. Whether you need a compact 2-channel amplifier for your front speakers or a high-powered mono amp for a subwoofer, we have got you covered. How We Help You Find the Best Car Amplifiers: Expert Assistance: Our knowledgeable staff is always ready to assist you in choosing the ideal car amplifier for your setup. We understand that every audio system is unique, and we'll work closely with you to ensure you get the best match. Unparalleled Customer Service: At Sonic Electronix, customer satisfaction is our top priority. When you reach out to us, you'll experience exceptional customer service, prompt responses, and valuable insights. Phone Support: Don't hesitate to call our dedicated phone line at 1-502-200-8010 to speak with one of our car audio experts. We're here to answer your questions, offer advice, and guide you towards the perfect amplifier for your needs.

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    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!
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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.