Garage
Shop

Line Out Converters for your 1981 Eldorado close

Loading...
Filters

Your Vehicle


Exclamation Icon
Fitment data is not available for your 1981 Eldorado
Universal-fit product options below.

Update vehicle | Remove vehicle | Vehicle store

Shop the Category

filter-icon Filters & Sort

DS18 MTLOC2

2-Channel High-to-Low Line Output Converter

MTLOC2 big
Go to item page Right Arrow Icon of Right Arrow

2-Channel High-to-Low Line Output Converter

• 2-Channel line output converter
• 20V/40V input select
• Auto turn-on (Audio / DC / Remote)
• Anodized aluminum housing with noise protection

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$74.95

In stock.

• 2-Channel line output converter
• 20V/40V input select
• Auto turn-on (Audio / DC / Remote)
• Anodized aluminum housing with noise protection

Crux LOC-2

2-Channel Line Output Converter

LOC-2 big
Go to item page Right Arrow Icon of Right Arrow

2-Channel Line Output Converter

• 2-Channel line output converter
• Adds aftermarket amplifier to factory stereo
• Adds aftermarket stereo to factory amplified system

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $21.00
-36% $13.50

In stock.

• 2-Channel line output converter
• Adds aftermarket amplifier to factory stereo
• Adds aftermarket stereo to factory amplified system

Cerwin-Vega IOEM22

400 Watts 2-Channel Line Output Converter

IOEM22 big
Go to item page Right Arrow Icon of Right Arrow

400 Watts 2-Channel Line Output Converter

• Active 2-channel line out converter
• Designed to integrate with aftermarket or factory OEM systems
• Preamp outputs: 1 set
• Precision matched stereo and level gain adjustment
• Advanced ground isolation switch isolation prevents buzz and interference

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$39.99

Available

Ships in 10-14 days

• Active 2-channel line out converter
• Designed to integrate with aftermarket or factory OEM systems
• Preamp outputs: 1 set
• Precision matched stereo and level gain adjustment
• Advanced ground isolation switch isolation prevents buzz and interference

Axxess AXLOC-RGC

2-Channel Adjustable Line Output Converter with Remote Gain Control

AXLOC-RGC big
Go to item page Right Arrow Icon of Right Arrow

2-Channel Adjustable Line Output Converter with Remote Gain Control

• Universal adjustable line output converter
• 2 channel input connection
• Molded channels for zip ties will not slip
• Separate remote gain control for easy adjustment

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $63.99
-11% $56.99

In stock

Only 2 Left!

• Universal adjustable line output converter
• 2 channel input connection
• Molded channels for zip ties will not slip
• Separate remote gain control for easy adjustment

Diamond Audio LOC44

400W 4-Channel Line Output Converter with Remote Bass Control

LOC44 big
Go to item page Right Arrow Icon of Right Arrow

400W 4-Channel Line Output Converter with Remote Bass Control

• Active 4-channel line output converter
• Speaker level and low-level inputs
• Selectable impedance load: 20, 60, 20k ohm
• Turn-on Modes: Remote, Vox (Audio Signals), and DC
• Ground Isolation Switch: 200-ohms, ISO, and Ground

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$109.99

In stock.

• Active 4-channel line output converter
• Speaker level and low-level inputs
• Selectable impedance load: 20, 60, 20k ohm
• Turn-on Modes: Remote, Vox (Audio Signals), and DC
• Ground Isolation Switch: 200-ohms, ISO, and Ground

Axxess AXSUB-GM2

Active 2-Channel Line Output Converter and Subwoofer Data Interface for select 2016-2025 vehicles from GMC, Chevrolet, Buick

AXSUB-GM2 big
Go to item page Right Arrow Icon of Right Arrow

Active 2-Channel Line Output Converter and Subwoofer Data Interface for select 2016-2025 vehicles from GMC, Chevrolet, Buick

• Line Output Converter and Subwoofer Data Interface
• Integrates with amplified or non-amplified factory OEM systems
• Allows for the addition of an aftermarket subwoofer
• Compatible with select 2016-2025 vehicles from GMC, Chevrolet, Buick

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $20.60 in rewards to spend later

No Fit Icon Doesn't fit your Eldorado

List price $228.99
-10% $205.99

In stock.

• Line Output Converter and Subwoofer Data Interface
• Integrates with amplified or non-amplified factory OEM systems
• Allows for the addition of an aftermarket subwoofer
• Compatible with select 2016-2025 vehicles from GMC, Chevrolet, Buick

DS18 QHL2

2-Channel Lossless Line Output Converter with Auto Turn-on and Speaker Emulator

QHL2 big
Go to item page Right Arrow Icon of Right Arrow

2-Channel Lossless Line Output Converter with Auto Turn-on and Speaker Emulator

• 2-Channel lossless audio line output converter
• Lossless audio, double step down ratio
• Compact size with level matching controls (High/Low)
• Selectable auto turn-on remote out
• Features noise rejection and speaker emulator

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $12.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $143.99
-17% $119.95

Available

Ships in 10-14 days

• 2-Channel lossless audio line output converter
• Lossless audio, double step down ratio
• Compact size with level matching controls (High/Low)
• Selectable auto turn-on remote out
• Features noise rejection and speaker emulator

DS18 MTLOC6

6-Channel High-to-Low Line Output Converter with Bass Remote

MTLOC6 big
Go to item page Right Arrow Icon of Right Arrow

6-Channel High-to-Low Line Output Converter with Bass Remote

• 6-Channel line output converter
• 2/6-Channel input configurations
• Auto turn-on (Audio / DC / Remote)
• Anodized aluminum housing with noise protection
• Dash remote bass level control included

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $12.50 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$124.95

In stock.

• 6-Channel line output converter
• 2/6-Channel input configurations
• Auto turn-on (Audio / DC / Remote)
• Anodized aluminum housing with noise protection
• Dash remote bass level control included

Diamond Audio LOC24

400W 2-Channel Line Output Converter with Remote Bass Control

LOC24 big
Go to item page Right Arrow Icon of Right Arrow

400W 2-Channel Line Output Converter with Remote Bass Control

• Active 4-channel line output converter
• Speaker level and low-level inputs
• Selectable Load Modes: 20-ohms, 60-ohms, and 20000-ohms
• Turn-on Modes: Remote, Vox (Audio Signals), and DC
• Ground Isolation Switch: 200-ohms, ISO, and Ground

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$64.99

Available

Ships in 10-14 days

• Active 4-channel line output converter
• Speaker level and low-level inputs
• Selectable Load Modes: 20-ohms, 60-ohms, and 20000-ohms
• Turn-on Modes: Remote, Vox (Audio Signals), and DC
• Ground Isolation Switch: 200-ohms, ISO, and Ground

Cerwin-Vega IOEM24

400 Watts 4-Channel Line Output Converter

IOEM24 big
Go to item page Right Arrow Icon of Right Arrow

400 Watts 4-Channel Line Output Converter

• Active 4-channel line out converter
• Designed to integrate with aftermarket or factory OEM systems
• Preamp outputs: 2 sets
• Precision matched stereo and level gain adjustment
• Advanced ground isolation switch isolation prevents buzz and interference

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$49.99

Available

Ships in 10-14 days

• Active 4-channel line out converter
• Designed to integrate with aftermarket or factory OEM systems
• Preamp outputs: 2 sets
• Precision matched stereo and level gain adjustment
• Advanced ground isolation switch isolation prevents buzz and interference

Cerwin-Vega IOEM88

400 Watts 8-Channel Line Output Converter

IOEM88 big
Go to item page Right Arrow Icon of Right Arrow

400 Watts 8-Channel Line Output Converter

• Active 8-channel line out converter
• Designed to integrate with aftermarket or factory OEM systems
• Preamp outputs: 3 sets (front, rear and subwoofer)
• Precision matched stereo and level gain adjustment
• Advanced ground isolation switch isolation prevents buzz and interference

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$119.99

In stock.

• Active 8-channel line out converter
• Designed to integrate with aftermarket or factory OEM systems
• Preamp outputs: 3 sets (front, rear and subwoofer)
• Precision matched stereo and level gain adjustment
• Advanced ground isolation switch isolation prevents buzz and interference

Axxess AX-ALOC705

2-Channel Adjustable Line Output Converter with Built-in Gain Control

AX-ALOC705 big
Go to item page Right Arrow Icon of Right Arrow

2-Channel Adjustable Line Output Converter with Built-in Gain Control

• Universal adjustable line output converter
• 2 channel input connection
• Molded channels for zip ties will not slip
• Onboard gain control knob for ease of adjusting

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$14.99

Available

Ships in 10-14 days

• Universal adjustable line output converter
• 2 channel input connection
• Molded channels for zip ties will not slip
• Onboard gain control knob for ease of adjusting

DS18 VX4HL

4-Channel High-to-Low Line Output Converter with Speaker Emulator

VX4HL big
Go to item page Right Arrow Icon of Right Arrow

4-Channel High-to-Low Line Output Converter with Speaker Emulator

• 4-Channel line output converter
• Level matching controls
• DC offset auto turn-on (3 volts)
• Built-in speaker emulator

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$53.95

Available

Ships in 10-14 days

• 4-Channel line output converter
• Level matching controls
• DC offset auto turn-on (3 volts)
• Built-in speaker emulator

Diamond Audio LOC66

400W 6-Channel Line Output Converter with Remote Bass Control

LOC66 big
Go to item page Right Arrow Icon of Right Arrow

400W 6-Channel Line Output Converter with Remote Bass Control

• Active 6-channel line output converter
• Speaker level and low-level inputs
• Selectable impedance load: 20, 60, 20k ohm
• Turn-on Modes: Remote, Vox (Audio Signals), and DC
• Ground Isolation Switch: 200-ohms, ISO, and Ground

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $20.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$199.99

In stock.

• Active 6-channel line output converter
• Speaker level and low-level inputs
• Selectable impedance load: 20, 60, 20k ohm
• Turn-on Modes: Remote, Vox (Audio Signals), and DC
• Ground Isolation Switch: 200-ohms, ISO, and Ground

Diamond Audio BE1

2-Channel Line Output Converter with Digital Bass Enhancer

BE1 big
Go to item page Right Arrow Icon of Right Arrow

2-Channel Line Output Converter with Digital Bass Enhancer

• Active 2-channel digital bass enhancer and line output converter
• Speaker level and low-level inputs
• Selectable Load Modes: 20-ohms, 60-ohms, and 20000-ohms
• Turn-on Modes: Remote, Vox (Audio Signals), and DC
• Ground Isolation Switch: 200-ohms, ISO, and Ground

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $25.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$249.99

In stock.

• Active 2-channel digital bass enhancer and line output converter
• Speaker level and low-level inputs
• Selectable Load Modes: 20-ohms, 60-ohms, and 20000-ohms
• Turn-on Modes: Remote, Vox (Audio Signals), and DC
• Ground Isolation Switch: 200-ohms, ISO, and Ground

DS18 VX2HL

2-Channel High-to-Low Line Output Converter with Speaker Emulator

VX2HL big
Go to item page Right Arrow Icon of Right Arrow

2-Channel High-to-Low Line Output Converter with Speaker Emulator

• 2-Channel line output converter
• Level matching controls
• DC offset auto turn-on (3 volts)
• Built-in speaker emulator

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$35.95

Available

Ships in 10-14 days

• 2-Channel line output converter
• Level matching controls
• DC offset auto turn-on (3 volts)
• Built-in speaker emulator

DS18 QHL4

4-Channel Lossless Line Output Converter with Auto Turn-on and Speaker Emulator

QHL4 big
Go to item page Right Arrow Icon of Right Arrow

4-Channel Lossless Line Output Converter with Auto Turn-on and Speaker Emulator

• 4-Channel lossless audio line output converter
• Lossless audio, double step down ratio
• Compact size with level matching controls (High/Low)
• Selectable auto turn-on remote out
• Features noise rejection and speaker emulator

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $15.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $179.99
-17% $149.95

Available

Ships in 10-14 days

• 4-Channel lossless audio line output converter
• Lossless audio, double step down ratio
• Compact size with level matching controls (High/Low)
• Selectable auto turn-on remote out
• Features noise rejection and speaker emulator

NVX XLCA2 (Open Box, Good)

2-Channel Line Out Converter xBOOST Technology with Remote Bass Knob

XLCA2 big
Go to item page Right Arrow Icon of Right Arrow

2-Channel Line Out Converter xBOOST Technology with Remote Bass Knob

• 2-channel line out converter
• Speaker Level Input Accepts Up To 400 Watts RMS
• Bass Enhancer And Bass Compensation
• xBOOST Technology
• Selectable Auto On
• 9.5 Volt Pre-Out
• 12 Volt Trigger Out

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

1
List price $53.98
-44% $29.99

In stock

Only 2 Left!

• 2-channel line out converter
• Speaker Level Input Accepts Up To 400 Watts RMS
• Bass Enhancer And Bass Compensation
• xBOOST Technology
• Selectable Auto On
• 9.5 Volt Pre-Out
• 12 Volt Trigger Out

Diamond Audio LOC88

400W 8-Channel Line Output Converter with Remote Bass Control

LOC88 big
Go to item page Right Arrow Icon of Right Arrow

400W 8-Channel Line Output Converter with Remote Bass Control

• Active 8-channel line output converter
• Speaker level and low-level inputs
• Selectable impedance load: 20, 60, 20k ohm
• Turn-on Modes: Remote, Vox (Audio Signals), and DC
• Ground Isolation Switch: 200-ohms, ISO, and Ground

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $25.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$249.99

In stock.

• Active 8-channel line output converter
• Speaker level and low-level inputs
• Selectable impedance load: 20, 60, 20k ohm
• Turn-on Modes: Remote, Vox (Audio Signals), and DC
• Ground Isolation Switch: 200-ohms, ISO, and Ground

NVX XLOC44X (Open Box, Great)

4 inputs / 4 outputs High Voltage Active Line Output Converter with Impedance Matching and Remote Level Control

XLOC44X big
Go to item page Right Arrow Icon of Right Arrow

4 inputs / 4 outputs High Voltage Active 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

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $149.99
-53% $69.99

In stock

• 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

Items per page: 20 40 60

    Clear all

    FAQ Frequently asked questions in Line Out Converters


    An amp line out converter, also known as a line output converter (LOC), is a device used to convert high-level speaker-level signals from a car's factory stereo into a low-level RCA signal. It allows you to connect aftermarket amplifiers or audio processors to the existing factory audio system, which often lacks RCA outputs. Using an amp line out converter is essential to ensure a clean and reliable signal transfer from your car's stereo to the aftermarket components, such as subwoofers or external amplifiers. Without a line out converter, attempting to tap into the speaker wires directly for signal input can lead to signal distortion, noise, and potential damage to your audio equipment.
    Installing an amp line out converter requires some basic knowledge of car audio wiring and connections. Start by identifying the speaker wires that you want to tap into for the audio signal. Use a wire stripping tool to expose a small section of the wire's insulation. Next, connect the speaker-level input wires of the line out converter to the corresponding speaker wires, ensuring proper polarity. Once the input connections are secure, connect the RCA output cables from the line out converter to the RCA inputs of your aftermarket amplifier or audio processor. Finally, connect the converter's ground wire to a suitable grounding point, typically the car's chassis. Before finalizing the installation, double-check all connections and ensure there are no loose wires.
    Yes, you can use multiple amp line out converters in your car audio system if you require different signal outputs for various audio components. For instance, if you are amplifying multiple speakers and a subwoofer, you may need separate converters to provide the necessary signal inputs to each amplifier. When using multiple line out converters, it is crucial to ensure proper signal level matching and avoid signal clipping or distortion. Additionally, make sure that each converter's ground wire is adequately connected to prevent ground loop noise. If you are unsure about the best setup for your specific audio system, consider consulting with a professional car audio installer or technician to design an optimal configuration.
    In most cases, an amp line out converter requires a remote turn-on wire to activate the aftermarket amplifiers or audio processors. The remote turn-on wire is responsible for sending a signal to the amplifiers when the car's stereo is turned on. It ensures that the amplifiers power up and down along with the factory head unit, preventing unnecessary power drain and ensuring proper system operation. Locate the remote turn-on lead from your car's stereo or ignition system, and connect it to the remote turn-on input on the line out converter. This simple connection enables the entire audio system to turn on and off automatically, providing a seamless and convenient listening experience.
    Yes, an amp line out converter can significantly improve the sound quality of your factory car audio system, especially when used in conjunction with aftermarket amplifiers and speakers. Factory head units often lack the power and audio processing capabilities of aftermarket audio equipment, resulting in subpar sound performance. By integrating an amp line out converter and adding external amplifiers, you can achieve cleaner and more powerful audio output. This setup allows you to drive high-quality aftermarket speakers or subwoofers efficiently, resulting in improved clarity, bass response, and overall audio fidelity. Additionally, many line out converters come with built-in signal processing features, such as bass restoration or line level adjustment, enabling further customization and fine-tuning of the audio output to suit your preferences.
    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

    1981 Cadillac Eldorado

    2004 Audi S4

    2005 Dodge Neon

    2018 Jeep Compass

    1990 Mercury Sable

    1987 Buick Electra

    2017 Ford C-Max

    2020 Kia Optima

    2015 Ford Explorer

    2013 Audi RS5

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

    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.