Best Line Output Converter for Your Car

by | Last updated Nov 2, 2020 | How To | 0 comments

Most factory car stereo systems often deliver subpar sound. This output is nothing close to satisfactory. You are not happy and you can’t wait to upgrade your system. Probably, you’ve already purchased one of the best amps. But wait. The factory radio looks perfect in its compartment.

Now you’re wondering, is it possible to finetune the sound quality of the entire system without getting rid of that cute factory radio. That’s where a line output converter comes in. We’ll get into the details shortly.

However, there are so many factors that you should consider when choosing the best line output converter for your system. From the type, output levels, input and output channels … and the list goes on and on.

Seems like too much to swallow? Worry not, we have done the heavy lifting for you.

After hours of research and testing various line out converters, we’ve compiled a list of the top 5 Best Quality Line output converters.  Also included is a buying guide explaining in detail everything you need to consider before you make the purchase decision. Let’s dive straight in!

Review of the 5 Best Quality Line Output Converter

AudioControl LC2i 2 Channel Line Out Converter with AccuBASS and Subwoofer Control
PAC SNI-35 Variable LOC Line Out Converter
BEST SELLER
Kicker KISLOC 2-Channel K-Series Speaker Cable to RCA Adapter with Line Out Converter
BEST CHOICE
SCOSCHE LOC2SL Car Stereo 2-Channel Audio Adjustable Amplifier with Add-On Adapter and Remote Control Knob, Black
AudioControl LC2i 2 Channel Line Out Converter with AccuBASS and Subwoofer Control
PAC SNI-35 Variable LOC Line Out Converter
Kicker KISLOC 2-Channel K-Series Speaker Cable to RCA Adapter with Line Out Converter
SCOSCHE LOC2SL Car Stereo 2-Channel Audio Adjustable Amplifier with Add-On Adapter and Remote Control Knob, Black
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AudioControl LC2i 2 Channel Line Out Converter with AccuBASS and Subwoofer Control
AudioControl LC2i 2 Channel Line Out Converter with AccuBASS and Subwoofer Control
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PAC SNI-35 Variable LOC Line Out Converter
PAC SNI-35 Variable LOC Line Out Converter
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BEST SELLER
Kicker KISLOC 2-Channel K-Series Speaker Cable to RCA Adapter with Line Out Converter
Kicker KISLOC 2-Channel K-Series Speaker Cable to RCA Adapter with Line Out Converter
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BEST CHOICE
SCOSCHE LOC2SL Car Stereo 2-Channel Audio Adjustable Amplifier with Add-On Adapter and Remote Control Knob, Black
SCOSCHE LOC2SL Car Stereo 2-Channel Audio Adjustable Amplifier with Add-On Adapter and Remote Control Knob, Black
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In this section, we’ll have a closer look at 5 top-rated Best Quality Line Output Converters available in the market today. We’ve also included the pros and cons of each to help you identify the best one for your needs. 

AudioControl LC7i Black 6-Channel Line Out ConverterTop on the list of our top 5 Best Quality Line Output Converters is a 6 – channel converter that is guaranteed to boost the performance of your speaker system to phenomenal levels. The sound will be louder, clearer, and richer.

Audiophiles who have used this converter agree unanimously that it offers unmatched performance. And its features are like of no other – seriously!

The LC7i has 6 RCA outputs rated a whopping 400W per channel that can handle up to 8.5 volts each. But the feature that really makes this converter outshine the rest is the AccuBASS circuitry which is designed to solve the common problem of weak bass in factory stereos. Using this feature, you can sum the signals from several channels for an impressive full blast output.

Another awesome feature that sets the LC7i apart is the LED indicator that helps you to easily match your receiver’s output to the input of your amp for optimum performance with zero noise.

AudioControl LC7i - Black Six Channel Line Out Converter with AccuBASS & 5-year warranty!
  • Six Channel Line Output Converter with AccuBASS
  • Six Channels Of Active Speaker Level Inputs a" Accepts Up To 400 Watts Per Channel
  • AccuBASS Circuitry
  • GTO Circuit a" Powers Up The Lc7i When It Detects Signal On The Speaker Level Input

Pros

  • Compact 
  • Can handle up to 400 watts per channel 
  • Easy to install 
  • Built-in 12-volt trigger automatically turns on your amp 
  • Unique level matching LED indicator 
  • Impressive bass boost feature  

Cons

  • Screw terminals could have been bigger 

AudioControl LC7i Black 6-Channel Line Out Converter

 Are you looking for an equally top-notch best quality line out converter for your monochrome or 2- channel amp? Here is another great product from AudioControl that you can consider. It is as well packed with numerous features to allow you better control of your listening experience.

With a rating of 400 watts per channel and pre-amp signals of up to 9.5 volts, you can rest assured that you are getting out the best from your amp. Like the LC7i, the LC2i also has an AccuBASS circuitry feature for louder and crisp bass for the boom you’ve always desired.

AudioControl LC2i 2 Channel Line Out Converter with AccuBASS and Subwoofer Control
  • Two channels of Active Speaker Level Inputs
  • Accept 400 Watt Signals per Channel
  • Fixed and Variable Outputs with Discrete Level Controls
  • AccuBASS Processing for Correction of Bass Roll-Off
  • GTO Signal Sensing - Input For Optional Remote Level Control - Compact Design

Pros

  • Handle up to 400 watts per channel 
  • RMS of 9.5 volts per channel 
  • AccuBASS circuitry for powerful bass output 
  • Compact and easy to install 
  • Well made 

Cons

  • Install instructions could have been better 

PAC-SNI-35-Variable-LOC-Line-Out-ConverterIf you are looking for a temporal solution to improve your sound quality before you can upgrade your factory stereo, installing a LOC is a great place to start. One of the most affordable options available out there is the PAC SNI-35.

But don’t let its price tag fool you. This a feature-packed converter that will give you the ultimate value for every penny. It has a linear frequency response rate range of 20 – 20,000kHz at +/- 0.5dB. This LOC works by adjusting the signal from as low as 2W to 40W each channel while signals lower than 20Hz are cut-off.

Being a passive line out converter, the SNI-35 is ideal for use when you’re connecting an amp to an aftermarket or factory head unit.

PAC SNI-35 Variable LOC Line Out Converter
  • Adjustable Line Output Converter
  • Use the SNI-35 when adding an amplifier to a factory radio to convert the radio's speaker level output to the lower amplifier (RCA) level input
  • Utilize Audio Transformer for Noise Isolation
  • Phase Adjusted
  • .5 dB Linearity from 20 - 20,000 Hz

Pros

  • Great and cheap way to hook up amp on an OEM radio 
  • Improves sound output 
  • Works as advertised 
  • Easy and quick installation 

Cons

  • Install instructions not included  

Kicker-KISLOC-2-ChannelYou can never go wrong with a product from Kicker. They are gurus in the car audio system field and their long history in the field helps their products to cut above the rest. In fact, they came up with the world’s first line output converter that has a micro surface mount.

KISLOC is a passive line output converter that takes up to 55 watts to give up to 8 volts per channel. This makes them perfect for OEM head units with short circuit protection. On top of that, this converter has a flat response frequency range of 20 – 20kHz.

You can use this 2-channel line-out converter either for a single or 2-channel amp.

Sale
Kicker KISLOC 2-Channel K-Series Speaker Cable to RCA Adapter with Line Out Converter
  • K-Series Interconnect Cable
  • World's first micro surface mount line-out converter
  • Two channel Speaker to RCA
  • K-Grip dual-mold connectors offer sure grip
  • Split pin RCA with silver tinned OFC wire

Pros

  • Flawless performance 
  • Easy to install and use 
  • Small and compact 
  • Well made 

Cons

  • Not ideal for newer car models 
  • Install guide not included 

SCOSCHE-LOC2SL-Car-Stereo-2-ChannelIf you want a LOC that is not only easy to install but also allows you the flexibility of operating your sub right in your driver’s seat, he SCOSCHE LOC2SL is a great pick.  

It is a 2 – channel line output converter that works well with high power speakers. As a 2 – channel LOC, it means you can either add mono or a 2-channel amp to your stereo system. The output level rating per channel is 80 W.  

What’s more, this unit is affordable and comes with several other accessories that are a rare find. It comes with a mountable remote control (plus knob) for controlling the bass at the comfort of your driver’s seat. And on top of that, this unit comes with an unmatched lifetime warranty.

What’s more, this unit is affordable and comes with several other accessories that are a rare find. It comes with a mountable remote control (plus knob) for controlling the bass at the comfort of your driver’s seat. And on top of that, this unit comes with an unmatched lifetime warranty.

SCOSCHE LOC2SL Car Stereo 2-Channel Audio Adjustable Amplifier with Add-On Adapter and Remote Control Knob, Black
  • ADD SUBWOOFERS: Works with high power car stereo speakers, up to 80 watts per channel, to add subwoofer system to any car speaker system
  • EASY TO INSTALL: Provides amplifier remote to turn on output without removing car audio system
  • OUTPUT CONVERSION: Converts car stereo speaker wires output to RCA Cable outputs
  • ADDITIONAL CHANNEL: Allows the addition of 2-channel or mono amplifiers to factory or aftermarket car stereo kit
  • CONTROLLER: Includes mountable remote control with knob for adjusting car subwoofer bass audio level from the dash; Comes with limited lifetime warranty

Pros

  • Easy to install 
  • Compact 
  • Nice volume knob for subwoofer bass control 
  • 80 W per channel perfect for high power factory stereos  

Cons

  • Included wires could have been longer 
  • Adjustment screws are a little weak 

What Is A Line Output Converter and How Does It Work? 

A car stereo system often consists of three main components. These include the radio (or head unit), an amp, and the speakers. When you turn on your stereo, you may think that sound is automatically sent to your speakers, but there is a lot that goes on behind the scenes.  

To begin with, the head unit produces the initial audio signal. This signal is usually extremely weak and is thus passed through a preamp which amplifies just a little notch higher. From the preamp, the signal goes to your amplifier where it is now given a mega boost. The signal is now transferred to the speakers. The vibrations from the speakers then generate the sound you usually hear. 

Without a preamp, your amp will often be underutilized and their sound output will never be good enough. Sadly, that’s often the case with a majority of factory stereo systems. If you want to get the best from your factory stereo, that’s where a line output comes into play.  

A LOC (abbreviation for line output converter) taps the signal coming from your head unit and amplifies it before sending it to the amplifier. The speakers will now produce louder, more detailed, and clearer sound. Enjoy a new boom and better sound without having to replace your radio. 

Best Quality Line output converter

Types of Line Output Converters 

There are two types of LOCs: 

  • Passive converter 
  • And an active converter 

A passive converter works by reducing the voltage received from the speaker wires. These do not need power from an external source. But on the flip side, because they can only scale down the signal received from the radio, a weak signal means you’ll as well get low sound output.  

On the other hand, an active converter controls the signal they’ll pick from your radio. On top of that, they’ll include additional features such as remoter turn on, bass restoration, and more. And because they can take up a high voltage of up to 400Watts, active converters are perfect for high powered radio systems. That explains why active converters are a favorite among most audiophiles.

Factors to consider for Best Quality Line output converters?

Now you know the definition of a line output converter and the science behind their functioning. Next, we will look at the two main factors you should consider when choosing the best quality Line Output Converters for your stereo system.  

Number of Input/Output Channels   

A basic LOC will have a minimum of 2 input channels and 2 output channels. On the other hand, more advanced options can have up to 6 input and 6 output channels.  

The number of channels refers to the number of speaker output lines coming from your radio that the LOC can connect to.  

If you want to have the flexibility of connecting your LOC to several speakers, choose one with a higher number of input/output channels

Output Levels 

This is another equally important factor that you should consider. It refers to the voltage degree rating on your LOC. Choose a rating that is equal to that of your amp. If you connect a LOC that has a higher rating, you’ll have to deal with a blown-up amplifier pretty soon. 

Best Quality Line output converter for car

FINAL THOUGHTS 

Tired of listening to some mediocre sound from your factory stereo system, but for one reason or another you aren’t in a position to replace your head unit just yet?

A line output converter is the best solution to your problems. It will help you to tap into the maximum potential of your amp for improved performance.

We hope this guide equips you with all the info you need in choosing the best quality line output converter!

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