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1974 Oldsmobile Cutlass Supreme

Your Cutlass Supreme Factory OEM Radio may be difficult or impossible to remove or replace so you'll need to find accessories here to help integrate aftermarket parts

Factory OEM Radio Add-ons for 1974 Oldsmobile Cutlass Supreme

Some Factory OEM Radios, including your Cutlass Supreme stereo may be difficult or impossible to replace with an aftermarket stereo. As such, you'll need to find aftermarket accessories such as line output converters, DSPs modules and harnesses, or tech integration kits to add features like Bluetooth, Apple CarPlay, Android Auto and more to your vehicle.

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NVX XLOC88X

8 inputs / 8 outputs High Voltage Active Line Output Converter with Impedance Matching and Remote Level Control

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8 inputs / 8 outputs High Voltage Active Line Output Converter with Impedance Matching and Remote Level Control

• 8-Channel Speaker Level Inputs
• 8-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 ohms)
• Wired remote bass level control included
• LED Clip indicator

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Was $119.99 Details
$89.99

In stock

• 8-Channel Speaker Level Inputs
• 8-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 ohms)
• Wired remote bass level control included
• LED Clip indicator

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Price: $89.99

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JL Audio FiX-LSA-4

4-channel Load Sensing Adaptor for use with FiX-82

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4-channel Load Sensing Adaptor for use with FiX-82

• 4-channel Load Sensing Adaptor
• Fixes a common problem with connecting the FiX-82 to a factory amplifier
• Provides a lower impedance so the factory amplifier's load sensing circuit will allow the FiX-82 to work with it

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$44.99

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Ships in 10-14 days

• 4-channel Load Sensing Adaptor
• Fixes a common problem with connecting the FiX-82 to a factory amplifier
• Provides a lower impedance so the factory amplifier's load sensing circuit will allow the FiX-82 to work with it

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Price: $44.99

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  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
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Kicker KEYLOC® (47KEYLOC)

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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Universal Fitment Icon Universal-fit, works with nearly all vehicles.

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$129.99

In stock

• 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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Price: $129.99

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Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
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NVX XFLOC2

2-Channel 80W Adjustable Line Output Converter with Remote Turn On

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2-Channel 80W Adjustable Line Output Converter with Remote Turn On

• 6:1 Step Down With Adjustable Output
• DC Amplifier Turn On Trigger
• 80w Maximum Input total (40w per channel)

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$14.99

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• 6:1 Step Down With Adjustable Output
• DC Amplifier Turn On Trigger
• 80w Maximum Input total (40w per channel)

Install Bay IBR73

HDMI/USB Pass Through Extension Panel

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HDMI/USB Pass Through Extension Panel

• Male to Female USB and HDMI Extension Cable
• 3 Feet Long
• Full Data Transfer
• Flush Mount Your USB and HDMI Port

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Fast 3-day shipping to VA. Get it Tue, Apr. 2

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Universal-fit, works with nearly all vehicles.
$22.99

In stock

Only 2 Left!

• Male to Female USB and HDMI Extension Cable
• 3 Feet Long
• Full Data Transfer
• Flush Mount Your USB and HDMI Port

PAC SNI-15

45W Line Out Converter

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45W Line Out Converter

• Converts 10 to 30 watts per channel with a fixed 10:1 conversion
• Great for getting an additional set of pre-amps outputs from a head unit equipped with only one set

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• Converts 10 to 30 watts per channel with a fixed 10:1 conversion
• Great for getting an additional set of pre-amps outputs from a head unit equipped with only one set

Crux BTI-UNI

Universal Bluetooth® Handsfree Kit

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Universal Bluetooth® Handsfree Kit

• Voice dial function
• Illuminated 3-key wired remote control
• Capable of pairing 2 phones at the same time
• Automatic radio mute function
• Dimension: 6.2" L x 4.8" W x 3" H

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FREE shipping to VA. Delivers Apr. 5 - Apr. 9

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Universal-fit, works with nearly all vehicles.
Was $137.95 Details
$84.95

In stock.

• Voice dial function
• Illuminated 3-key wired remote control
• Capable of pairing 2 phones at the same time
• Automatic radio mute function
• Dimension: 6.2" L x 4.8" W x 3" H

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Price: $84.95

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  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
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Crux ACP-WL

Wireless CarPlay Dongle for Select Factory & Aftermarket Radios with CarPlay

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Wireless CarPlay Dongle for Select Factory & Aftermarket Radios with CarPlay

• Plug-and-play interface that converts wired Apple CarPlay in factory and select aftermarket car stereos to wireless Apple CarPlay
• Compatible with Kenwood, Pioneer, JVC, Sony, and Alpine car stereos with wired Apple CarPlay
• Pass-through USB port allows wired CarPlay connection to charge iPhone battery

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Universal-fit, works with nearly all vehicles.
Was $279.95 Details
$169.95

In stock

Only 2 Left!

• Plug-and-play interface that converts wired Apple CarPlay in factory and select aftermarket car stereos to wireless Apple CarPlay
• Compatible with Kenwood, Pioneer, JVC, Sony, and Alpine car stereos with wired Apple CarPlay
• Pass-through USB port allows wired CarPlay connection to charge iPhone battery

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Item added to your cart.

Price: $169.95

Allstate logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7
Essential add-ons
Five Piece Installer's Panel Removal Tool Kit

Helps with removing dash and trim panels during car stereo installation.

$18.99

$11.99

Add to cart

JBL Link Drive Add Google Assistant your Factory Radio

Optimized for the Google Assistant

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Optimized for the Google Assistant

• Get help from your Google Assistant
• Hands-free voice control
• Echo Canceling microphone
• Bluetooth version: 4.2
• USB 2.1A fast-charging port
• Versatile connection via Bluetooth® and Aux-in
• Radio barging keeps you informed

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Fast 3-day shipping to VA. Get it Tue, Apr. 2

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Universal-fit, works with nearly all vehicles.
Was $59.95 Details
$29.99

In stock

Only 1 Left!

• Get help from your Google Assistant
• Hands-free voice control
• Echo Canceling microphone
• Bluetooth version: 4.2
• USB 2.1A fast-charging port
• Versatile connection via Bluetooth® and Aux-in
• Radio barging keeps you informed

Install Bay IBR74

Dual USB Pass Through Extension Panel

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Dual USB Pass Through Extension Panel

• Dual Male to Female USB Extension Cable
• 3 Feet Long
• Full Data Transfer
• Flush or Surface Mount Your USB Ports

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Fast 3-day shipping to VA. Get it Tue, Apr. 2

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Universal-fit, works with nearly all vehicles.
$15.99

In stock

• Dual Male to Female USB Extension Cable
• 3 Feet Long
• Full Data Transfer
• Flush or Surface Mount Your USB Ports

PAC LP7-4

L.O.C. PRO Series 4-Channel Line Output Converter with Remote Turn On

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L.O.C. PRO Series 4-Channel Line Output Converter with Remote Turn On

&bull 4-Channel LOC PRO Series
• Remote Turn on Wire
• Single Dial
• Signal-Sensing Circuit
• Surface Mount Construction
• Level Gain Adjustment

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Fast 3-day shipping to VA. Get it Tue, Apr. 2

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$35.99

In stock

Only 3 Left!

&bull 4-Channel LOC PRO Series
• Remote Turn on Wire
• Single Dial
• Signal-Sensing Circuit
• Surface Mount Construction
• Level Gain Adjustment

Kicker KISLOC2 (46KISLOC2)

K Series 2-Channel Line Output Converter With 12-Volt Turn-on

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K Series 2-Channel Line Output Converter With 12-Volt Turn-on

• 2-ch speaker-to-RCA converter, LOC
• Compatible with OEM radios that have short circuit protection
• Take as much as 55 watts of input and deliver up to 8 volts of output

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Fast 3-day shipping to VA. Get it Tue, Apr. 2

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Universal Fitment Icon Universal-fit, works with nearly all vehicles.

1
$29.99

In stock

• 2-ch speaker-to-RCA converter, LOC
• Compatible with OEM radios that have short circuit protection
• Take as much as 55 watts of input and deliver up to 8 volts of output

PAC LP3-2

L.O.C. PRO Series 2-Channel Line Output Converter

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L.O.C. PRO Series 2-Channel Line Output Converter

• 2-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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Fast 3-day shipping to VA. Get it Tue, Apr. 2

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Universal Fitment Icon Universal-fit, works with nearly all vehicles.

8
Was $27.00 Details
$17.99

In stock

• 2-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

Install Bay IBR69

2-Channel 100W Max (50 W Per Channel) Mini Line Output Converter

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2-Channel 100W Max (50 W Per Channel) Mini Line Output Converter

• Line out converter for adding amplifier to factory radio
• Auto remote turn on
• 6:1 step down with adjustable output
• 100 Watts Max
• 50 Watts max per channel

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Fast 3-day shipping to VA. Get it Tue, Apr. 2

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Universal Fitment Icon Universal-fit, works with nearly all vehicles.

7
$9.99

In stock

• Line out converter for adding amplifier to factory radio
• Auto remote turn on
• 6:1 step down with adjustable output
• 100 Watts Max
• 50 Watts max per channel

NVX XLOC44X

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

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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 ohms)
• Wired remote bass level control included
• LED Clip indicator

Save 10% at CheckoutShop all deals
shipping truck icon
FREE 3-day shipping to VA. Get it Tue, Apr. 2

empty

Universal Fitment Icon Universal-fit, works with nearly all vehicles.

Was $149.99 Details
$64.99

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 ohms)
• Wired remote bass level control included
• LED Clip indicator

XLOC44X small

Item added to your cart.

Price: $64.99

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Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7

AudioControl LC8i - Black

8 Channel Line Output Converter with Aux Input

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8 Channel Line Output Converter with Aux Input

• Eight Speaker Level Inputs – Can Accept 400 Watt Signals!
• RCA Auxiliary Input for external device integration
• GTO™ Signal-Sensing Input
• Internal Channel Summing
• Line Output Converter

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Universal Fitment Icon Universal-fit, works with nearly all vehicles.

1
$269.00

In stock

• Eight Speaker Level Inputs – Can Accept 400 Watt Signals!
• RCA Auxiliary Input for external device integration
• GTO™ Signal-Sensing Input
• Internal Channel Summing
• Line Output Converter

LC8i small

Item added to your cart.

Price: $269.00

Allstate logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7

NVX XMICROLOC2

2-Channel 300W Micro Line Output Converter with Remote Turn-on Trigger

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2-Channel 300W Micro Line Output Converter with Remote Turn-on Trigger

• 2-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

Save 10% at CheckoutShop all deals
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Fast 3-day shipping to VA. Get it Tue, Apr. 2

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Universal Fitment Icon Universal-fit, works with nearly all vehicles.

2
Was $18.49 Details
$14.99

In stock

• 2-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

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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Fast 3-day shipping to VA. Get it Tue, Apr. 2

empty

Universal Fitment Icon Universal-fit, works with nearly all vehicles.

2
Was $40.00 Details
$29.99

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

NVX XLOC24X

2 inputs / 4 outputs High Voltage Active Line Output Converter with Impedance Matching

XLOC24X big
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2 inputs / 4 outputs High Voltage Active 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 ohms)
• LED Clip indicator

Save 10% at CheckoutShop all deals
shipping truck icon
Fast 2-day shipping to VA. Get it Sat, Mar. 30

empty

Universal Fitment Icon Universal-fit, works with nearly all vehicles.

2
Was $51.24 Details
$44.99

In stock

• 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 ohms)
• LED Clip indicator

XLOC24X small

Item added to your cart.

Price: $44.99

Allstate logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7

AudioControl LC6i (Black)

6-Channel Line Out Converter with 6 Preamp Outputs

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6-Channel Line Out Converter with 6 Preamp Outputs

• Six Speaker Level Inputs – Can Accept 400 Watt Signals!
• GTO™ Signal-Sensing Input
• Internal Channel Summing
• Line Output Converter

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FREE 2-day shipping to VA. Get it Sat, Mar. 30
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VIP Product Get $18.50 in rewards to spend later

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Universal Fitment Icon Universal-fit, works with nearly all vehicles.

5
$185.00

In stock

LC6i-Black small

Item added to your cart.

Price: $185.00

Allstate logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7
Essential add-ons
NVX XCR1

Easily adjust your subwoofer level while seated inside your vehicle

$29.99

$19.99

Add to cart
Dash Mount Wired Remote Level Control For Select AudioControl Sound Processors

Dash Mount Wired Remote Level Control For Select AudioControl Sound Processors

$45.00

$34.99

Add to cart

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    FAQ for Factory OEM Radio Add-on Upgrades in 1974 Cutlass Supreme

    Q: Can I upgrade or change the Factory OEM Radio Add-on Upgrades in 1974 Oldsmobile Cutlass Supreme?

    A: Yes this page includes all the best Factory OEM Radio Add-on Upgrades that work in your Cutlass Supreme.

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    • Vehicle produced after 2005: Inside driver’s side door
    • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
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