Loading...
Filters

We are sorry, no available results!

filter-icon Filters & Sort

Wet Sounds WS 420BT KIT Black Billet

WS-420BT Under-Mount Kit for select 1973-2021 vehicles from GMC, Ford, Dodge

Price Drop, Instant Savings Already Applied!
WS-420BTKITB main
Go to item page

WS-420BT Under-Mount Kit for select 1973-2021 vehicles from GMC, Ford, Dodge

• Under-Dash Mounting Kit Compatible with select 1973-2021 vehicles from GMC, Ford, Dodge Vehicles
• Color: Black Billet

shipping truck icon
FREE shipping to VA. Delivers Oct. 12 - Oct. 19
install icon
Price Drop, Instant Savings Already Applied!
found car based on your search
This product fits your 1975 K25

empty

Was $199.99 Details
$149.99

Available

Ships in 10-14 days

• Under-Dash Mounting Kit Compatible with select 1973-2021 vehicles from GMC, Ford, Dodge Vehicles
• Color: Black Billet

WS-420BTKITB small

Item added to your cart.

Price: $149.99

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
Belva BTK105

5 Piece Installer's Removal Tool Kit

$18.99

$11.99

Add to cart

Dual XRM59BT

Single DIN Digital Media Receiver with Bluetooth, USB and Aux

XRM59BT main
Go to item page

Single DIN Digital Media Receiver with Bluetooth, USB and Aux

• Single DIN Bluetooth Digital Media Receiver
• LCD Text Display Display
• 1 set of 2 volts preamp outputs
• 2-Band Equalizer with 4 Presets

shipping truck icon
Fast 3-day shipping to VA. Get it Wed, Oct. 4
found car based on your search
This product fits your 1975 K25
install icon

Dash Kit/Wire Harness available and sold separately

21
Was $99.99 Details
$39.99

In stock

• Single DIN Bluetooth Digital Media Receiver
• LCD Text Display Display
• 1 set of 2 volts preamp outputs
• 2-Band Equalizer with 4 Presets

Power Acoustik PTID-8920B

Single DIN In-Dash 7" Touchscreen TFT-LCD Flip-Up Monitor DVD Receiver w/ Bluetooth, USB Input and 3-Band EQ

PTID-8920B main
Go to item page

Single DIN In-Dash 7" Touchscreen TFT-LCD Flip-Up Monitor DVD Receiver w/ Bluetooth, USB Input and 3-Band EQ

• 7" Flip-Up Touchscreen Display
• 52W x 4 Chan. Max, 17W x 4 Chan. RMS
• 3 Sets of 2V Preamp Outputs
• Built-In A2DP Bluetooth
• 3-band Parametric Equalizer
• Playback of Any DVD Region Discs
• 32GB Max SD Card Reader

shipping truck icon
FREE 3-day shipping to VA. Get it Wed, Oct. 4
found car based on your search
This product fits your 1975 K25
install icon

$10.95 savings on install accessories you need

28
Was $549.95 Details
$149.99

In stock

Kenwood KDC-BT382U

Single-DIN CD Multimedia Receiver with Bluetooth and Built-in Alexa (Sirius XM Ready)

Price Drop, Instant Savings Already Applied!
KDC-BT382U main
Go to item page

Single-DIN CD Multimedia Receiver with Bluetooth and Built-in Alexa (Sirius XM Ready)

• Single DIN Bluetooth CD Digital Multimedia Receiver with USB and AUX
• LCD Text Display
• iPhone and Android Compatible
• 3 sets of 2.5 volts preamp outputs
• 13-Band Equalizer with Digital Time Alignment
• SiriusXM Satellite Radio Ready

shipping truck icon
FREE 2-day shipping to VA. Get it Tue, Oct. 3
install icon
Price Drop, Instant Savings Already Applied!
found car based on your search
This product fits your 1975 K25
Dollar Icon

VIP Product Get $15.00 in rewards to spend later

install icon

$10.95 savings on install accessories you need

1
Was $170.00 Details
$150.00

In stock

• Single DIN Bluetooth CD Digital Multimedia Receiver with USB and AUX
• LCD Text Display
• iPhone and Android Compatible
• 3 sets of 2.5 volts preamp outputs
• 13-Band Equalizer with Digital Time Alignment
• SiriusXM Satellite Radio Ready

JBL Club 6422F

240W Peak (80W RMS) 4" x 6" Club Series 2-Way 3-Ohm Coaxial Car Speaker

Save 15% at Checkout with Code: Fall15
Club 6422F main
Go to item page

240W Peak (80W RMS) 4" x 6" Club Series 2-Way 3-Ohm Coaxial Car Speaker

• 120 watts Max Each, 40 watts RMS Each
• Silk Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 3 ohms
• Sensitivity: 92 dB @ 2.83V
• Mounting Height: 0.376"

shipping truck icon
FREE 3-day shipping to VA. Get it Wed, Oct. 4
install icon
Save 15% at Checkout with Code: Fall15
found car based on your search
Fits the following location in your 1975 K25

empty

1
Was $129.95 Details
$79.95 /pair

In stock

Cerwin Vega H7410

640W Max (100W RMS) 4"x10" HED Series 2-Way Coaxial Car Speakers

Save 10% at Checkout with Code: Fall10
H7410 main
Go to item page

640W Max (100W RMS) 4"x10" HED Series 2-Way Coaxial Car Speakers

• 320 watts Peak Each, 50 watts RMS Each
• 1" PEI (Polyetherimide) Balanced Dome Tweeters
• Graphite-injected reinforced spun cone material
• Impedance: 4 ohms
• Sensitivity: 86.5 dB

shipping truck icon
FREE 3-day shipping to VA. Get it Wed, Oct. 4
install icon
Save 10% at Checkout with Code: Fall10
found car based on your search
Fits the following location in your 1975 K25
  • Rear Door

empty

Rockford Fosgate Punch P132

80W Peak (40W RMS) 3.5” Punch Series 2-Way Full Range Speaker

P132 main
Go to item page

80W Peak (40W RMS) 3.5” Punch Series 2-Way Full Range Speaker

• Peak Power: 80W
• RMS Power: 40W
• PEI Dome Tweeter
• Mounting Depth: 1-3/8"
• Mineral-Filled and Polypropylene Injection Molded Cone
• 4 Ohms Impedance
• Sensitivity: 85dB

shipping truck icon
FREE 2-day shipping to VA. Get it Tue, Oct. 3
found car based on your search
Fits multiple locations in your 1975 K25
Dollar Icon

VIP Product Get $8.00 in rewards to spend later

empty

29
$79.99 /pair

In stock

• Peak Power: 80W
• RMS Power: 40W
• PEI Dome Tweeter
• Mounting Depth: 1-3/8"
• Mineral-Filled and Polypropylene Injection Molded Cone
• 4 Ohms Impedance
• Sensitivity: 85dB

Belva BDMRS5

Single DIN Digital Media Receiver with Bluetooth, Front SD, USB, AUX Input and 5 Volt Preamp Outputs

BDMRS5 main
Go to item page

Single DIN Digital Media Receiver with Bluetooth, Front SD, USB, AUX Input and 5 Volt Preamp Outputs

• Single DIN Bluetooth Digital Media Receiver
• LCD Text Display Display
• 3 sets of 5 volts preamp outputs
• Digital Equalizer
• Front AUX, USB, and SD Card Inputs

shipping truck icon
Fast 3-day shipping to VA. Get it Wed, Oct. 4
found car based on your search
This product fits your 1975 K25
install icon

Dash Kit/Wire Harness available and sold separately

5
Was $79.99 Details
$39.99

In stock

• Single DIN Bluetooth Digital Media Receiver
• LCD Text Display Display
• 3 sets of 5 volts preamp outputs
• Digital Equalizer
• Front AUX, USB, and SD Card Inputs

Kicker KSC41004

300W Peak (150W RMS) 4”x10” KS Series 2-Way Coaxial Car Speakers

Save $25 off Speaker Installation Accessories, Use Code: ACC25
KSC4100 main
Go to item page

300W Peak (150W RMS) 4”x10” KS Series 2-Way Coaxial Car Speakers

• 150 watts Max Each, 75 watts RMS Each
• 1/2" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohms
• Sensitivity: 88 dB
• Mounting Depth: 2-7/16"

shipping truck icon
FREE 2-day shipping to VA. Get it Tue, Oct. 3
install icon
Save $25 off Speaker Installation Accessories, Use Code: ACC25
found car based on your search
Fits the following location in your 1975 K25
  • Rear Door
Dollar Icon

VIP Product Get $13.00 in rewards to spend later

empty

Was $149.99 Details
$129.99 /pair

In stock

Pioneer DEH-S4220BT

Single DIN CD Receiver with Bluetooth and Amazon Alexa

Price Drop, Instant Savings Already Applied!
DEH-S4220BT main
Go to item page

Single DIN CD Receiver with Bluetooth and Amazon Alexa

• Single DIN Bluetooth CD Media Receiver
• Digital LED Backlit Display
• 2 sets of 4 volts preamp outputs
• 13-Band Equalizer
• Detachable face plate
• Built-in Alexa

shipping truck icon
FREE 2-day shipping to VA. Get it Tue, Oct. 3
install icon
Price Drop, Instant Savings Already Applied!
found car based on your search
This product fits your 1975 K25
Dollar Icon

VIP Product Get $12.00 in rewards to spend later

install icon

$10.95 savings on install accessories you need

3
Was $140.00 Details
$120.00

In stock

• Single DIN Bluetooth CD Media Receiver
• Digital LED Backlit Display
• 2 sets of 4 volts preamp outputs
• 13-Band Equalizer
• Detachable face plate
• Built-in Alexa

Pioneer MVH-S322BT

Single DIN Digital Media Receiver with Bluetooth and Amazon Alexa

MVH-S322BT main
Go to item page

Single DIN Digital Media Receiver with Bluetooth and Amazon Alexa

• Single DIN Bluetooth Digital Media Receiver
• Digital LED Backlit Display
• Pandora and Spotify capable
• 2 pairs of 4 volts preamp outputs
• 13-Band Equalizer

shipping truck icon
FREE 2-day shipping to VA. Get it Tue, Oct. 3
found car based on your search
This product fits your 1975 K25
Dollar Icon

VIP Product Get $10.00 in rewards to spend later

install icon

Dash Kit/Wire Harness available and sold separately

2
Was $120.00 Details
$99.99

In stock

• Single DIN Bluetooth Digital Media Receiver
• Digital LED Backlit Display
• Pandora and Spotify capable
• 2 pairs of 4 volts preamp outputs
• 13-Band Equalizer

Kenwood KMM-BT732HD

Single DIN Shallow Chasis Digital Media Bluetooth Receiver with HD Radio

Price Drop, Instant Savings Already Applied!
KMM-BT732HD main
Go to item page

Single DIN Shallow Chasis Digital Media Bluetooth Receiver with HD Radio

• Single DIN Bluetooth Digital Media Digital Multimedia Receiver
• LCD Text Display
• Three sets of 4 volts preamp outputs
• 13-Band Graphic Equalizer with Digital Time Alignment
• SiriusXM Satellite Radio Ready

shipping truck icon
FREE 2-day shipping to VA. Get it Tue, Oct. 3
install icon
Price Drop, Instant Savings Already Applied!
found car based on your search
This product fits your 1975 K25
Dollar Icon

VIP Product Get $16.00 in rewards to spend later

install icon

$10.95 savings on install accessories you need

1
Was $190.00 Details
$159.99

In stock

• Single DIN Bluetooth Digital Media Digital Multimedia Receiver
• LCD Text Display
• Three sets of 4 volts preamp outputs
• 13-Band Graphic Equalizer with Digital Time Alignment
• SiriusXM Satellite Radio Ready

Power Acoustik PD-710B

Single DIN In-Dash 7" LCD Touchscreen CD/DVD Car Stereo Receiver w/ Built-In A2DP Bluetooth and Front USB

PD-710B main
Go to item page

Single DIN In-Dash 7" LCD Touchscreen CD/DVD Car Stereo Receiver w/ Built-In A2DP Bluetooth and Front USB

• 7" LCD Touchscreen Display
• 45W x 4 Chan. Max, 17W x 4 Chan. RMS
• 3 Sets of 2V Preamp Outputs
• 2-Band Parametric Equalizer
• Built-In Bluetooth

shipping truck icon
FREE 3-day shipping to VA. Get it Wed, Oct. 4
found car based on your search
This product fits your 1975 K25
install icon

$10.95 savings on install accessories you need

19
Was $399.99 Details
$164.99

In stock

Limited time!

JVC KD-X560BT

Single-DIN Marine Digital Multimedia Receiver with Bluetooth

Price Drop, Instant Savings Already Applied!
KD-X560BT main
Go to item page

Single-DIN Marine Digital Multimedia Receiver with Bluetooth

• Single DIN In-Dash Bluetooth Multimedia Receiver with USB and AUX
• TFT-LCD Display Display
• Conformal marine coated circuitry
• 3 sets of 2 volts preamp outputs
• 13-Band Graphic Equalizer with 9 Selectable Preset

shipping truck icon
FREE 2-day shipping to VA. Get it Tue, Oct. 3
install icon
Price Drop, Instant Savings Already Applied!
found car based on your search
This product fits your 1975 K25
Dollar Icon

VIP Product Get $15.00 in rewards to spend later

install icon

$6 savings on install accessories you need

1
Was $219.95 Details
Save $70.00
$149.95

In stock

Pioneer DMH-WT86NEX

10.1" Single-DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto and Built-in Alexa (Sirius XM Ready)

DMH-WT86NEX main
Go to item page

10.1" Single-DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto and Built-in Alexa (Sirius XM Ready)

• Single DIN Bluetooth Digital Multimedia Receiver
• 10.1" Capacitive Touchscreen Display
• Apple CarPlay and Android Auto Compatible
• 112 Key colors
• 3 sets of 4 volts preamp outputs
• 13-Band Graphic Equalizer
• SiriusXM Satellite Radio Ready
• 5 Display colors

shipping truck icon
FREE 2-day shipping to VA. Get it Tue, Oct. 3
found car based on your search
This product fits your 1975 K25
Dollar Icon

VIP Product Get $120.00 in rewards to spend later

install icon

Dash Kit/Wire Harness available and sold separately

Was $1800.00 Details
$1,199.95

In stock

Only 1 Left!

Infinity Reference 6432CFX (REF6432CFXAM)

270W Peak (90W RMS) 4"x6" Reference Series 2-Way Coaxial Car Speakers

Reference 6432CFX main
Go to item page

270W Peak (90W RMS) 4"x6" Reference Series 2-Way Coaxial Car Speakers

• 135 watts Peak Each, 45 watts RMS Each
• Textile Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 3 ohms
• Sensitivity: 92 dB

shipping truck icon
FREE 3-day shipping to VA. Get it Wed, Oct. 4
found car based on your search
Fits the following location in your 1975 K25

empty

1
Was $139.95 Details
$72.99 /pair

In stock

Hertz DCX87.3

120W Peak (60W RMS) 3.5” Dieci Series 2-Way Coaxial Car Speakers

DCX 87.3 main
Go to item page

120W Peak (60W RMS) 3.5” Dieci Series 2-Way Coaxial Car Speakers

• 60 watts Peak Each, 30 watts RMS Each
• 5/8 PEI (Polyetherimide) Dome Tweeters
• Water-repellent treated paper cone material
• Impedance: 4 ohms
• Sensitivity: 92 dB

shipping truck icon
FREE 2-day shipping to VA. Get it Tue, Oct. 3
found car based on your search
Fits multiple locations in your 1975 K25
Dollar Icon

VIP Product Get $10.00 in rewards to spend later

empty

1
Was $115.00 Details
$99.99 /pair

In stock

Only 2 Left!

• 60 watts Peak Each, 30 watts RMS Each
• 5/8 PEI (Polyetherimide) Dome Tweeters
• Water-repellent treated paper cone material
• Impedance: 4 ohms
• Sensitivity: 92 dB

Pioneer TS-A878

120W Peak (30W RMS) 3.5" 2-Way A-Series Coaxial Car Speakers

TS-A878 main
Go to item page

120W Peak (30W RMS) 3.5" 2-Way A-Series Coaxial Car Speakers

• Peak Power: 60W
• RMS Power: 30W
• 1" PEI Dome Tweeter
• Mounting Depth: 1-7/16"
• Injection Molded Polypropylene Carbon-Graphite Composite Cone
• 4 Ohms Impedance
• Ultra-Slim Neodymium Magnet

shipping truck icon
FREE 3-day shipping to VA. Get it Wed, Oct. 4
found car based on your search
Fits multiple locations in your 1975 K25

empty

27
Was $70.00 Details
$49.99 /pair

In stock

• Peak Power: 60W
• RMS Power: 30W
• 1" PEI Dome Tweeter
• Mounting Depth: 1-7/16"
• Injection Molded Polypropylene Carbon-Graphite Composite Cone
• 4 Ohms Impedance
• Ultra-Slim Neodymium Magnet

Pioneer SPH-10BT

Single DIN Smartphone Digital Media Receiver with Bluetooth

SPH-10BT main
Go to item page

Single DIN Smartphone Digital Media Receiver with Bluetooth

• Single DIN Bluetooth Digital Media Receiver
• Pop-out smartphone cradle for touchscreen control
• Turns your smartphone device into a display
• Two sets of 2 volts preamp outputs
• 13-Band Equalizer
• Detachable face security

shipping truck icon
FREE 2-day shipping to VA. Get it Tue, Oct. 3
found car based on your search
This product fits your 1975 K25
Dollar Icon

VIP Product Get $15.00 in rewards to spend later

install icon

$6 savings on install accessories you need

2
Was $170.00 Details
$149.99

In stock

Only 1 Left!

• Single DIN Bluetooth Digital Media Receiver
• Pop-out smartphone cradle for touchscreen control
• Turns your smartphone device into a display
• Two sets of 2 volts preamp outputs
• 13-Band Equalizer
• Detachable face security

Memphis PRX410

100W Peak (50W RMS) 4”x10” Power Reference Series 2-way Car Speakers

PRX410 main
Go to item page

100W Peak (50W RMS) 4”x10” Power Reference Series 2-way Car Speakers

• Peak Power: 100W
• RMS Power: 50W
• PEI dome Tweeter
• Mounting Depth: 2.5"
• Stealthy black-on-black M-Cone design

shipping truck icon
FREE 2-day shipping to VA. Get it Tue, Oct. 3
found car based on your search
Fits the following location in your 1975 K25
  • Rear Door
Dollar Icon

VIP Product Get $14.00 in rewards to spend later

empty

Was $179.95 Details
$139.95 /pair

In stock

Items per page: 20 50 100

    clear all
    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?
    FAQ for your 1975 K25

    Q: Can I upgrade the factory stereo system in my 1975 GMC K25?

    A: Yes you can improve your sound in your K25 by upgrading your speakers and/or adding an amplifier. You may also be able to update the stereo and main display in your 1975 K25 if there is a dash kit and harness solution available.

    1975 GMC K25

    Add vehicle

    Save up to 10 different vehicles in your garage

    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...
    < Back