Garage
Shop
JL Audio is renowned for its dedication to sound quality and innovation. With its roots in the audio industry, this company has consistently pushed the boundaries in creating high-end car, marine, and home audio systems. Known for its exceptional craftsmanship and advanced technology, JL Audio has established itself as a leader in the audio world, offering products that deliver crisp, clear sound and a truly immersive listening experience.

Your Vehicle


Checkmark Icon
Fits select locations in your 1978 GLC
Add vehicle details to confirm exact location or Update vehicle.

Update vehicle | Remove vehicle | Vehicle store

Shop by Category


Products in these categories contain items that carry a guarantee to fit your Mazda GLC (change vehicle)

Top sellers

Loading...
Filters
filter-icon Filters & Sort

JL Audio C1-400x

70W RMS 4" C1 Series 2 Way Coaxial 4-ohm Car Speakers

C1-400x big
Go to item page Right Arrow Icon of Right Arrow

70W RMS 4" C1 Series 2 Way Coaxial 4-ohm Car Speakers

• 35 watts RMS Each
• 3/4" Silk-Suspended Aluminum Edge Driven Dome tweeters
• Mineral-Filled Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 84.5 dB

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

VIP Product Get $9.50 in rewards to spend later

install icon

Install kits available for most vehicles

additional information required
Fits select locations in your GLC.
Add vehicle details to confirm exact location.
8
$94.99 /pair

In stock

Used from: $80.74
Limited time!

JL Audio C2-400x

70W RMS 4" C2 Series 2-Way Coaxial 4-ohm Car Speakers

C2-400X big
Go to item page Right Arrow Icon of Right Arrow

70W RMS 4" C2 Series 2-Way Coaxial 4-ohm Car Speakers

• 35 watts RMS Each
• 3/4" Silk Dome tweeters
• Mica Injected Polypropylene - MIPP cone material
• Impedance: 4 ohm
• Sensitivity: 84.5 dB

Free Speaker Accessory at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $19.00 in rewards to spend later

install icon

Install kits available for most vehicles

additional information required
Fits select locations in your GLC.
Add vehicle details to confirm exact location.
9
$189.99 /pair

In stock

Used from: $161.49

JL Audio C1-525x

100W RMS 5.25" C1 Series 2 Way Coaxial 4-ohm Car Speakers

C1-525x big
Go to item page Right Arrow Icon of Right Arrow

100W RMS 5.25" C1 Series 2 Way Coaxial 4-ohm Car Speakers

• 50 watts RMS Each
• 3/4" Silk-Suspended Aluminum Edge Driven Dome tweeters
• Mineral-Filled Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

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

VIP Product Get $13.00 in rewards to spend later

install icon

Install kits available for most vehicles

additional information required
Fits select locations in your GLC.
Add vehicle details to confirm exact location.
6
$129.99 /pair

In stock

Used from: $110.49
Limited time!

JL Audio C2-525

120W RMS 5.25" C2 Series 2-Way 4-ohm Component Speaker System

C2-525 big
Go to item page Right Arrow Icon of Right Arrow

120W RMS 5.25" C2 Series 2-Way 4-ohm Component Speaker System

• 60 watts RMS Each
• 3/4" Silk Dome tweeters
• Mica Injected Polypropylene - MIPP cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

Free Speaker Accessory at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $33.00 in rewards to spend later

install icon

Install kits available for most vehicles

additional information required
Fits select locations in your GLC.
Add vehicle details to confirm exact location.
9
$329.99 /set

In stock

Only 1 Left!

Used from: $280.49
Limited time!

JL Audio C2-525x

120W RMS 5.25" C2 Series 2 Way Coaxial 4-ohm Car Speakers

C2-525X big
Go to item page Right Arrow Icon of Right Arrow

120W RMS 5.25" C2 Series 2 Way Coaxial 4-ohm Car Speakers

• 60 watts RMS Each
• 3/4" Silk Dome tweeters
• Mica Injected Polypropylene - MIPP cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

Free Speaker Accessory at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $28.00 in rewards to spend later

install icon

Install kits available for most vehicles

additional information required
Fits select locations in your GLC.
Add vehicle details to confirm exact location.
8
$279.99 /pair

In stock

Only 3 Left!

Limited time!

JL Audio C3-525

300W Peak (150W RMS) 5.25" C3 Series 2-Way 4-ohm Component Speaker System

C3-525 big
Go to item page Right Arrow Icon of Right Arrow

300W Peak (150W RMS) 5.25" C3 Series 2-Way 4-ohm Component Speaker System

• 150 watts Peak Each, 75 watts RMS Each
• 2-way convertible speakers from component to coaxial
• 1" Silk Soft Dome tweeters with ferrofluid cooling and damping
• Mineral-Filled Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

Free Speaker Accessory at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $53.00 in rewards to spend later

install icon

Install kits available for most vehicles

additional information required
Fits select locations in your GLC.
Add vehicle details to confirm exact location.
2
$529.99 /set

In stock

Used from: $450.49

JL Audio C1-400x (Open Box, Great)

100W Peak (70W RMS) 4" C1 Series 2-Way 4-ohm Coaxial Car Speakers

C1-400x big
Go to item page Right Arrow Icon of Right Arrow

100W Peak (70W RMS) 4" C1 Series 2-Way 4-ohm Coaxial Car Speakers

• 50 watts Peak Each, 35 watts RMS Each
• 0.75" Silk-suspended aluminum Edge-Driven Dome Tweeters
• Mica Injected Polypropylene - MIPP cone material
• Impedance: 4 ohm
• Sensitivity: 87.5 dB

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

Install kits available for most vehicles

additional information required
Fits select locations in your GLC.
Add vehicle details to confirm exact location.
8
List price $94.99
-15% $80.74 /pair

In stock

JL Audio C2-525 (Open Box, Great)

200W Peak (120W RMS) 5.25” Evolution C2 Series 2-way 4-ohm Component Speaker System

C2-525 big
Go to item page Right Arrow Icon of Right Arrow

200W Peak (120W RMS) 5.25” Evolution C2 Series 2-way 4-ohm Component Speaker System

• 100 watts Peak Each, 60 watts RMS Each
• 3/4" Silk Dome tweeters with ferrofluid cooling and damping
• Mica Injected Polypropylene - MIPP cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

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

Install kits available for most vehicles

additional information required
Fits select locations in your GLC.
Add vehicle details to confirm exact location.
9
List price $329.99
-15% $280.49 /set

In stock

JL Audio C2-400x (Open Box, Great)

100W Peak (70W RMS) 4” Evolution C2 Series 2-way 4-ohm Coaxial Car Speakers

C2-400X big
Go to item page Right Arrow Icon of Right Arrow

100W Peak (70W RMS) 4” Evolution C2 Series 2-way 4-ohm Coaxial Car Speakers

• 50 watts Peak Each, 35 watts RMS Each
• 0.75" Silk Dome Tweeters
• 2 speaker grilles included
• Mica Injected Polypropylene - MIPP cone material
• Impedance: 4 ohm
• Sensitivity: 87.5 dB

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

Install kits available for most vehicles

additional information required
Fits select locations in your GLC.
Add vehicle details to confirm exact location.
9
List price $189.99
-15% $161.49 /pair

In stock

JL Audio C1-525x (Open Box, Great)

150W Peak (100W RMS) 5.25" C1 Series 2-way 4-ohm Coaxial Car Speakers

C1-525x big
Go to item page Right Arrow Icon of Right Arrow

150W Peak (100W RMS) 5.25" C1 Series 2-way 4-ohm Coaxial Car Speakers

• 75 watts Peak Each, 50 watts RMS Each
• 3/4" Silk-suspended aluminum Edge-driven Dome tweeters
• Injection-molded, Mineral-filled Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

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

Install kits available for most vehicles

additional information required
Fits select locations in your GLC.
Add vehicle details to confirm exact location.
6
List price $129.99
-15% $110.49 /pair

In stock

JL Audio C3-525 (Open Box, Great)

300W Peak (150W RMS) 5.25” Evolution C3 Series 2-way 4-ohm Component Speaker System

C3-525 big
Go to item page Right Arrow Icon of Right Arrow

300W Peak (150W RMS) 5.25” Evolution C3 Series 2-way 4-ohm Component Speaker System

• 150 watts Peak Each, 75 watts RMS Each
• 2-way convertible speakers from component to coaxial
• 1" Silk Soft Dome tweeters with ferrofluid cooling and damping
• Mineral-Filled Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

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

Install kits available for most vehicles

additional information required
Fits select locations in your GLC.
Add vehicle details to confirm exact location.
2
List price $529.99
-15% $450.49 /set

In stock

JL Audio M6-770X-S-GwGw

200W RMS 7.7" M6 Series 2 Way Coaxial 4-ohm Marine Speakers with Gloss White Sport Grilles

M6-770X-S-GwGw big
Go to item page Right Arrow Icon of Right Arrow

200W RMS 7.7" M6 Series 2 Way Coaxial 4-ohm Marine Speakers with Gloss White Sport Grilles

• 100 watts RMS Each
• 1" Silk Dome Tweeter
• Injection Molded Polypropylene Material
• Impedance: 4 ohm
• Sensitivity: 91 dB
• Mounting Depth: 3.32"

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

VIP Product Get $73.00 in rewards to spend later

1
$729.99 /pair

In stock

Used from: $510.99

• 100 watts RMS Each
• 1" Silk Dome Tweeter
• Injection Molded Polypropylene Material
• Impedance: 4 ohm
• Sensitivity: 91 dB
• Mounting Depth: 3.32"

JL Audio M3-650X-C-Gw

120W RMS 6.5" M3 Series 2 Way Coaxial 4-ohm Marine Speakers with Gloss White Classic Grilles

M3-650X-C-Gw big
Go to item page Right Arrow Icon of Right Arrow

120W RMS 6.5" M3 Series 2 Way Coaxial 4-ohm Marine Speakers with Gloss White Classic Grilles

• 60 watts RMS Each
• 3/4" Silk Dome Tweeter
• Mica Injected Polypropylene - MIPP Material
• Impedance: 4 ohm
• Sensitivity: 89.5 dB
• Mounting Depth: 2.78"

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

VIP Product Get $24.00 in rewards to spend later

3
$239.99 /pair

In stock

Only 3 Left!

• 60 watts RMS Each
• 3/4" Silk Dome Tweeter
• Mica Injected Polypropylene - MIPP Material
• Impedance: 4 ohm
• Sensitivity: 89.5 dB
• Mounting Depth: 2.78"

JL Audio M6-880X-S-GwGw

250W RMS 8.8" M6 Series 2 Way Coaxial 4-ohm Marine Speakers with Gloss White Sport Grilles

M6-880X-S-GwGw big
Go to item page Right Arrow Icon of Right Arrow

250W RMS 8.8" M6 Series 2 Way Coaxial 4-ohm Marine Speakers with Gloss White Sport Grilles

• 125 watts RMS Each
• 1-1/4" Silk Dome Tweeter
• Injection Molded Polypropylene Material
• Impedance: 4 ohm
• Sensitivity: 90.5 dB
• Mounting Depth: 5.00"

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

VIP Product Get $83.00 in rewards to spend later

1
$829.99 /pair

In stock

• 125 watts RMS Each
• 1-1/4" Silk Dome Tweeter
• Injection Molded Polypropylene Material
• Impedance: 4 ohm
• Sensitivity: 90.5 dB
• Mounting Depth: 5.00"

JL Audio M3-650X-S-Gm

120W RMS 6.5" M3 Series 2 Way Coaxial 4-ohm Marine Speakers with Gray Metallic Sport Grilles

M3-650X-S-Gm big
Go to item page Right Arrow Icon of Right Arrow

120W RMS 6.5" M3 Series 2 Way Coaxial 4-ohm Marine Speakers with Gray Metallic Sport Grilles

• 60 watts RMS Each
• 3/4" Silk Dome Tweeter
• Mica Injected Polypropylene - MIPP Material
• Impedance: 4 ohm
• Sensitivity: 89.5 dB
• Mounting Depth: 2.78"

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

VIP Product Get $29.00 in rewards to spend later

1
$289.99 /pair

In stock

Only 2 Left!

• 60 watts RMS Each
• 3/4" Silk Dome Tweeter
• Mica Injected Polypropylene - MIPP Material
• Impedance: 4 ohm
• Sensitivity: 89.5 dB
• Mounting Depth: 2.78"

JL Audio M6-650X-S-GwGw

150W RMS 6.5" M6 Series 2 Way Coaxial 4-ohm Marine Speakers with Gloss White Sport Grilles

M6-650X-S-GwGw big
Go to item page Right Arrow Icon of Right Arrow

150W RMS 6.5" M6 Series 2 Way Coaxial 4-ohm Marine Speakers with Gloss White Sport Grilles

• 75 watts RMS Each
• 4-1/2" Silk Dome Tweeter
• Injection Molded Polypropylene Material
• Impedance: 4 ohm
• Sensitivity: 89.5 dB
• Mounting Depth: 3"

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

VIP Product Get $63.00 in rewards to spend later

1
$629.99 /pair

In stock

• 75 watts RMS Each
• 4-1/2" Silk Dome Tweeter
• Injection Molded Polypropylene Material
• Impedance: 4 ohm
• Sensitivity: 89.5 dB
• Mounting Depth: 3"

JL Audio M3-770X-S-Gw

140W RMS 7.7" M3 Series 2 Way Coaxial 4-ohm Marine Speakers with White Sport Grilles

M3-770X-S-Gw big
Go to item page Right Arrow Icon of Right Arrow

140W RMS 7.7" M3 Series 2 Way Coaxial 4-ohm Marine Speakers with White Sport Grilles

• 70 watts RMS Each
• 3/4" Silk Dome Tweeter
• Mica Injected Polypropylene - MIPP Material
• Impedance: 4 ohm
• Sensitivity: 90.5 dB
• Mounting Depth: 3.17"

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

VIP Product Get $39.00 in rewards to spend later

1
$389.99 /pair

In stock

• 70 watts RMS Each
• 3/4" Silk Dome Tweeter
• Mica Injected Polypropylene - MIPP Material
• Impedance: 4 ohm
• Sensitivity: 90.5 dB
• Mounting Depth: 3.17"

JL Audio M3-650X-S-Gw

120W RMS 6.5" M3 Series 2 Way Coaxial 4-ohm Marine Speakers with Gloss White Sport Grilles

M3-650X-S-Gw big
Go to item page Right Arrow Icon of Right Arrow

120W RMS 6.5" M3 Series 2 Way Coaxial 4-ohm Marine Speakers with Gloss White Sport Grilles

• 60 watts RMS Each
• 3/4" Silk Dome Tweeter
• Mica Injected Polypropylene - MIPP Material
• Impedance: 4 ohm
• Sensitivity: 89.5 dB
• Mounting Depth: 2.78"

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

VIP Product Get $26.00 in rewards to spend later

$259.99 /pair

In stock

• 60 watts RMS Each
• 3/4" Silk Dome Tweeter
• Mica Injected Polypropylene - MIPP Material
• Impedance: 4 ohm
• Sensitivity: 89.5 dB
• Mounting Depth: 2.78"

JL Audio M6-650X-S-GmTi-i

150W RMS 6.5" M6 Series 2 Way Coaxial 4-ohm Marine Speakers with RGB LED and Titanium Sport Grilles

M6-650X-S-GmTi-i big
Go to item page Right Arrow Icon of Right Arrow

150W RMS 6.5" M6 Series 2 Way Coaxial 4-ohm Marine Speakers with RGB LED and Titanium Sport Grilles

• 75 watts RMS Each
• 4-1/2" Silk Dome Tweeter
• Injection Molded Polypropylene Material
• Impedance: 4 ohm
• Sensitivity: 89.5 dB
• Mounting Depth: 3"

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

VIP Product Get $70.00 in rewards to spend later

2
$699.99 /pair

In stock

JL Audio M3-650X-S-Gw-i

120W RMS 6.5" M3 Series 2 Way Coaxial 4-ohm Marine Speakers with RGB LED and Gloss White Sport Grilles

M3-650X-S-Gw-i big
Go to item page Right Arrow Icon of Right Arrow

120W RMS 6.5" M3 Series 2 Way Coaxial 4-ohm Marine Speakers with RGB LED and Gloss White Sport Grilles

• 60 watts RMS Each
• 3/4" Silk Dome Tweeter
• Mica Injected Polypropylene - MIPP Material
• Impedance: 4 ohm
• Sensitivity: 89.5 dB
• Mounting Depth: 2.78"

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

VIP Product Get $31.00 in rewards to spend later

$309.99 /pair

In stock

Items per page: 20

    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?
    Save up to 10 different vehicles in your garage
    Vehicle
    Store
    Delete

    2016 GMC Canyon

    1978 Mazda GLC

    2012 Suzuki Kizashi

    1985 Dodge Colt

    2012 Suzuki Equator

    2005 Toyota Corolla

    1982 Dodge 400

    2021 Ford Transit Connect

    2009 Mitsubishi Eclipse

    2018 Ford Expedition

    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.