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1959 GMC 250

Your 250 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 1959 GMC 250

Some Factory OEM Radios, including your 250 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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Axxess AX-MLOC725

2 Channel Mini 150 Watt LOC With Signal SensingTurn-On

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2 Channel Mini 150 Watt LOC With Signal SensingTurn-On

• 2-Channel Input
• Adjustable Gain For Each Channel
• 150W Max Per Channel
• 12V Signal Sense Turn On
• Universal Application

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2
$19.99

In stock

Only 2 Left!

• 2-Channel Input
• Adjustable Gain For Each Channel
• 150W Max Per Channel
• 12V Signal Sense Turn On
• Universal Application

Axxess AX-ALOC648

4-Channel Adjustable Line Level Converter

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4-Channel Adjustable Line Level Converter

• Digital Line Level Converter
• 4-Channel Hi/Low Adapter
• 80 Watts Maximum Input
• 6:1 Step Down
• Adjustable Outputs
• Gold-Plated RCA Connectors

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5
$24.99

In stock

Only 1 Left!

• Digital Line Level Converter
• 4-Channel Hi/Low Adapter
• 80 Watts Maximum Input
• 6:1 Step Down
• Adjustable Outputs
• Gold-Plated RCA Connectors

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

5
$185.00

In stock

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Price: $185.00

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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

AudioControl LC7iPRO

6-Channel Line Out Converter with AccuBASS

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6-Channel Line Out Converter with AccuBASS

• Two Channels of Active Speaker Level Inputs
• AccuBASS Processing
• 9.5 Volt Pre-Amp Outs
• GTO - Signal Sensing Inputs

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

Was $329.00 Details
$279.00

In stock

Only 2 Left!

• Two Channels of Active Speaker Level Inputs
• AccuBASS Processing
• 9.5 Volt Pre-Amp Outs
• GTO - Signal Sensing Inputs

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Price: $279.00

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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 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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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)
  • Easy online management! Zero hassle claim service, available 24/7

AudioControl LC5iPRO

5-Channel Line Out Converter with AccuBASS

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5-Channel Line Out Converter with AccuBASS

• Intelligent built-in LMC (Load Matching Circuit)
• Four channels of active speaker-level inputs
• Maximum Speaker Level Input: 40 Vrms
• Maximum Output Level: 9.5Vrms/13V peak
• 12VDC Remote Out (always active when unit is on)
• Compact design
• Dimensions: 7"W x 1"D x 1.14"H

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Was $249.00 Details
$219.00

In stock

Only 3 Left!

• Intelligent built-in LMC (Load Matching Circuit)
• Four channels of active speaker-level inputs
• Maximum Speaker Level Input: 40 Vrms
• Maximum Output Level: 9.5Vrms/13V peak
• 12VDC Remote Out (always active when unit is on)
• Compact design
• Dimensions: 7"W x 1"D x 1.14"H

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Price: $219.00

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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 KISLOAD4 (46KISLOAD4)

K-Series interface for smart radios 25ohm load 4ch 20v inputs

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K-Series interface for smart radios 25ohm load 4ch 20v inputs

• Interface For Smart Radios
• 25-ohm Load
• 4-Ch 20V Inputs

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

Was $59.99 Details
$49.99

Available

Ships in 10-14 days

• Interface For Smart Radios
• 25-ohm Load
• 4-Ch 20V Inputs

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Item added to your cart.

Price: $49.99

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  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
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PAC LP7-2R

LocPRO Series 2-Channel Line Output Converter with Remote Turn-On Circuit and Remote Level Controller

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LocPRO Series 2-Channel Line Output Converter with Remote Turn-On Circuit and Remote Level Controller

• 2-Channel High Power Line Output Converter
• Built in remote turn-on circuit
• High power input up 55 watts per channel
• Remote volume control that can be used as a remote bass volume control
• Configurable for differential inputs for using a new radio with existing amplifiers
• Single dial, precision matched stereo, level gain adjustment

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Was $60.00 Details
$45.99

In stock

Only 3 Left!

• 2-Channel High Power Line Output Converter
• Built in remote turn-on circuit
• High power input up 55 watts per channel
• Remote volume control that can be used as a remote bass volume control
• Configurable for differential inputs for using a new radio with existing amplifiers
• Single dial, precision matched stereo, level gain adjustment

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Item added to your cart.

Price: $45.99

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  • 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

Diamond Audio MSLOC2

2-Channel Line Output Converter Harness Kit

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2-Channel Line Output Converter Harness Kit

• 2-Channel line output converter harness kit

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

$65.99

In stock.

• 2-Channel line output converter harness kit

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Item added to your cart.

Price: $65.99

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  • 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

Axxess AXLOC-RGC

2-Channel Adjustable Line Output Converter with Remote Gain Control

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2-Channel Adjustable Line Output Converter with Remote Gain Control

• 2-channel input
• Molded channels for zip ties will not slip
• 12-volt signal sense turn-on
• Universal application

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

Was $47.00 Details
$24.99

In stock

• 2-channel input
• Molded channels for zip ties will not slip
• 12-volt signal sense turn-on
• Universal application

Metra 44-SIXM

Ultra-Low Profile SIRIUSXM Satellite Radio Antenna with Adhesive/Magnet Mount

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Ultra-Low Profile SIRIUSXM Satellite Radio Antenna with Adhesive/Magnet Mount

• Low-profile, XM Satellite Radio Antenna
• Small design for easy installation
• Shock and vibration proof
• Cable length: 23 ft.

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$49.99

In stock

Only 2 Left!

• Low-profile, XM Satellite Radio Antenna
• Small design for easy installation
• Shock and vibration proof
• Cable length: 23 ft.

44-SIXM small

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Price: $49.99

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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
Essential add-ons
Five Piece Installer's Panel Removal Tool Kit

Helps with removing dash and trim panels during installation.

$18.99

$11.99

Add to cart

PAC LPA-E.4

4-Channel 400W RMS LOCPRO Advanced Line Out Converter with Bass Remote

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4-Channel 400W RMS LOCPRO Advanced Line Out Converter with Bass Remote

• 4-channel active line out converter
• Speaker Level handles up to 400W RMS
• Selectable turn-on mode
• 9.5Vrms output
• 12-volt turn-on lead output

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

Was $159.00 Details
$129.00

In stock

Only 1 Left!

• 4-channel active line out converter
• Speaker Level handles up to 400W RMS
• Selectable turn-on mode
• 9.5Vrms output
• 12-volt turn-on lead output

LPA-E.4 small

Item added to your cart.

Price: $129.00

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
Lowest price in 30 days

Stinger SSLoc2

Stinger Select 2-Channel Adjustable Line Output Converter

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Stinger Select 2-Channel Adjustable Line Output Converter

• Adjustable Line Output Converter
• Two channel
• Gold Plated RCA Jacks
• 10 ohm Input impedance

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

Was $16.00 Details
$8.99

In stock

Only 2 Left!

• Adjustable Line Output Converter
• Two channel
• Gold Plated RCA Jacks
• 10 ohm Input impedance

Rockford Fosgate RF-HLC4

4-Channel High-to-Low Level Converter

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4-Channel High-to-Low Level Converter

• 4-Channel High-to-Low Level Converter
• High-to-Low Signal Converter to Connect 4-Channel Amplifiers to Radios Without RCA Output
• Output Voltage: Up to 3V (low-level)
• Mounting: Behind Dash

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

7
$50.99

Available

Ships in 10-14 days

• 4-Channel High-to-Low Level Converter
• High-to-Low Signal Converter to Connect 4-Channel Amplifiers to Radios Without RCA Output
• Output Voltage: Up to 3V (low-level)
• Mounting: Behind Dash

RF-HLC4 small

Item added to your cart.

Price: $50.99

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

Axxess AXLOC-30F

2-Channel 30W RCA Line-Output Converter

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2-Channel 30W RCA Line-Output Converter

• Fixed level
• 2-channel input
• 30-watts maximum input

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

Was $17.00 Details
$13.99

In stock

• Fixed level
• 2-channel input
• 30-watts maximum input

NVX XLOC22X

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

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

• 2-Channel Speaker Level Inputs
• 2-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

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

2
Was $99.99 Details
$39.99

In stock

• 2-Channel Speaker Level Inputs
• 2-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

Axxess AXLOC-150A

2 Channel Adjustable Line-Output Converter

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2 Channel Adjustable Line-Output Converter

• Adjustable 2-channel line output converter
• 2-channel input
• Separate level adjustments for each channel
• Molded channels

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

Was $27.00 Details
$24.99

In stock

• Adjustable 2-channel line output converter
• 2-channel input
• Separate level adjustments for each channel
• Molded channels

Kicker KISLOAD2 (46KISLOAD2)

K-Series Interface for Smart Radios 25 Ohm Load 2Ch 40v inputs

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K-Series Interface for Smart Radios 25 Ohm Load 2Ch 40v inputs

• Interface For Smart Radios
• 25-ohm Load
• 2-Ch 40V Inputs

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VIP Product Get $6.00 in rewards to spend later

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

$59.99

Available

Ships in 10-14 days

• Interface For Smart Radios
• 25-ohm Load
• 2-Ch 40V Inputs

KISLOAD2 small

Item added to your cart.

Price: $59.99

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

Axxess AX-ALOC710

2-Channel Line Output Converter for adding an aftermarket amplifier

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2-Channel Line Output Converter for adding an aftermarket amplifier

• Designed to install additional aftermarket amplifier
• Provides 55-watt maximum input
• Separate level adjustment for each channel
• Signal sense turn-on

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

Was $20.00 Details
$14.99

In stock

Only 1 Left!

• Designed to install additional aftermarket amplifier
• Provides 55-watt maximum input
• Separate level adjustment for each channel
• Signal sense turn-on

Belva Universal Backup Barcam + SiriusXM SXV300v1

V300 SIRIUS XM Connect Vehicle Tuner for Adding Satellite Radio + Belva Universal Backup Cam

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V300 SIRIUS XM Connect Vehicle Tuner for Adding Satellite Radio + Belva Universal Backup Cam

• SiriusXM Connect Next Gen Vehicle Tuner For Adding Satellite Radio to Any SiriusXM-Ready Car Stereo
• No Adapters Needed
• Pause, Rewind, and Replay Up To 30 Minutes of Live Satellite Radio
• iTune Tagging
• Compact Design
• Alert Notification When Favorite Song, Team or Artist is Playing
Special Offer: Active a new radio and choose a plan for as low as $5 / month for 12 months, plus get a $60 service credit.

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

147
Was $189.98 Details
$99.99

In stock

• SiriusXM Connect Next Gen Vehicle Tuner For Adding Satellite Radio to Any SiriusXM-Ready Car Stereo
• No Adapters Needed
• Pause, Rewind, and Replay Up To 30 Minutes of Live Satellite Radio
• iTune Tagging
• Compact Design
• Alert Notification When Favorite Song, Team or Artist is Playing
Special Offer: Active a new radio and choose a plan for as low as $5 / month for 12 months, plus get a $60 service credit.

SXV300V1, BARCAM221 small

Item added to your cart.

Price: $99.99

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
Essential add-ons
Five Piece Installer's Panel Removal Tool Kit

Helps with removing dash and trim panels during installation.

$18.99

$11.99

Add to cart

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    FAQ for Factory OEM Radio Add-on Upgrades in 1959 250

    Q: Can I upgrade or change the Factory OEM Radio Add-on Upgrades in 1959 GMC 250?

    A: Yes this page includes all the best Factory OEM Radio Add-on Upgrades that work in your 250.

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