Garage
Shop
Loading...
Filters
filter-icon Filters & Sort
Limited time!

Rockford Fosgate Punch P1V2-5

300W Peak (150W RMS) 5.25" Punch P1 Series 3 Way Coaxial 4-ohm Speakers

P1V2-5 big
Go to item page Right Arrow Icon of Right Arrow

300W Peak (150W RMS) 5.25" Punch P1 Series 3 Way Coaxial 4-ohm Speakers

• 150 watts Peak Each, 75 watts RMS Each
• 3/4" Tetolon Inverted Dome tweeters
• 3/8" Polypropylene-Piezo super tweeters
• Mica reinforced Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB

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

VIP Product Get $18.00 in rewards to spend later

install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
List price $239.99
Save $60.00
-25% $179.99 /pair

In stock

Hertz K 130

440W Peak (110W RMS) 5.25” Uno Series 2-way 4-ohm Component Speakers

K 130 big
Go to item page Right Arrow Icon of Right Arrow

440W Peak (110W RMS) 5.25” Uno Series 2-way 4-ohm Component Speakers

• 220 watts Peak Each, 55 watts RMS Each
• Tweeter-integrated crossover with 6dB/octave output
• 1" PEI (Polyetherimide) Dome tweeters with neodymium magnets
• Water-repellent Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

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

VIP Product Get $10.00 in rewards to spend later

install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
1
List price $150.00
-33% $99.99 /set

In stock

Limited time!

Precision Power (PPI) MAS.522

150W RMS 5.25" MAS Series 2 Way Coaxial 2-ohm Motorcycle Speakers

MAS.522 big
Go to item page Right Arrow Icon of Right Arrow

150W RMS 5.25" MAS Series 2 Way Coaxial 2-ohm Motorcycle Speakers

• 75 watts RMS Each
• 1" Titanium Dome tweeters
• Polypropylene cone material
• Impedance: 2 ohm
• Sensitivity: 92 dB

Flash Sale! Save at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $27.00 in rewards to spend later

install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
1
List price $349.99
-23% $269.99 /pair

In stock

Only 3 Left!

• 75 watts RMS Each
• 1" Titanium Dome tweeters
• Polypropylene cone material
• Impedance: 2 ohm
• Sensitivity: 92 dB

Cerwin-Vega XED52

550W Peak (60W RMS) 5.25" XED Series 2-Way Coaxial 4-ohm Speakers

XED52 big
Go to item page Right Arrow Icon of Right Arrow

550W Peak (60W RMS) 5.25" XED Series 2-Way Coaxial 4-ohm Speakers

• 275 watts Peak Each, 30 watts RMS Each
• 1" Piezo Metal Balanced Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 94 dB

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

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
7
List price $53.99
-17% $44.99 /pair

In stock

Cerwin Vega H752

550W Peak (80W RMS) 5.25” HED Series 2-Way Coaxial 4-ohm Speakers

H752 big
Go to item page Right Arrow Icon of Right Arrow

550W Peak (80W RMS) 5.25” HED Series 2-Way Coaxial 4-ohm Speakers

• 275 watts Peak Each, 40 watts RMS Each
• 1" PEI (Polyetherimide) Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 82.5 dB

1+ offers available
shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
5
List price $83.99
-17% $69.99 /pair

In stock

Continue to cart

Available Offers (2) for Cerwin Vega H752
Offer image
Flash Sale! Save at Checkout!
List price $83.99
-17% $69.99
$59.49 with coupon | Price details
Free Speaker Accessory at Checkout!
Limited time!

JBL STAGE1 51F (JBLSPKS151F)

300W Peak (60W RMS) 5.25" Stage Series 2 Way Coaxial 4-ohm Speakers

STAGE151F big
Go to item page Right Arrow Icon of Right Arrow

300W Peak (60W RMS) 5.25" Stage Series 2 Way Coaxial 4-ohm Speakers

• 150 watts Peak Each, 30 watts RMS Each
• Mylar Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

1+ offers available
shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
List price $79.99
Save 38%
-38% $49.99 /pair

In stock

Continue to cart

Available Offers (2) for JBL STAGE1 51F (JBLSPKS151F)
Offer image
Flash Sale! Save at Checkout!
List price $79.99
-38% $49.99
$42.49 with coupon | Price details
Free Speaker Accessory at Checkout!
Limited time!

Sundown Audio E-5.25CX

200W RMS 5.25" E Series 2 Way Coaxial 4-ohm Speakers (S-E5.25CX)

S-E5.25CX big
Go to item page Right Arrow Icon of Right Arrow

200W RMS 5.25" E Series 2 Way Coaxial 4-ohm Speakers (S-E5.25CX)

• 50 watts RMS Each
• Titanium Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm

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

VIP Product Get $10.00 in rewards to spend later

install icon

Install kits available for most vehicles

Fits select models only.
Add details to confirm fitment.
List price $119.99
-17% $99.99 /pair

In stock

Only 1 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

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
2
$529.99 /set

In stock

Used from: $450.49

MB Quart FKB113

180W Peak (90W RMS) 5.25" Formula Series 2-Way 4-ohm Coaxial Car Speakers

FKB113 big
Go to item page Right Arrow Icon of Right Arrow

180W Peak (90W RMS) 5.25" Formula Series 2-Way 4-ohm Coaxial Car Speakers

• 90 watts Peak Each, 45 watts RMS Each
• 1" Aluminum Dome tweeters
• Lightweight Thermoformed Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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

Install kits available for most vehicles

Fits select models only.
Add details to confirm fitment.
4
List price $69.99
-57% $29.99 /pair

In stock

JVC CS-DR521

520W Peak (80W RMS) 5.25'' DRVN DR Series 2-Way 4-ohm Shallow-Mount Coaxial Car Speakers

CS-DR521 big
Go to item page Right Arrow Icon of Right Arrow

520W Peak (80W RMS) 5.25'' DRVN DR Series 2-Way 4-ohm Shallow-Mount Coaxial Car Speakers

• 260 watts Peak Each, 40 watts RMS Each
• 1" Polyetherimide Balanced Dome tweeters
• Carbon Mica cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

1+ offers available
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $9.90 in rewards to spend later

install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
List price $119.00
-17% $99.00 /pair

In stock

Only 2 Left!

Continue to cart

Available Offers (2) for JVC CS-DR521
Offer image
Flash Sale! Save at Checkout!
List price $119.00
-17% $99.00
$79.20 with coupon | Price details
Free Speaker Accessory at Checkout!

DS18 PRO-X5.4BM (Sold Individually)

300W Peak (150W RMS) 5.25” PRO-X Series 4-ohm Mid-Range Loudspeaker

PRO-X5.4BM big
Go to item page Right Arrow Icon of Right Arrow

300W Peak (150W RMS) 5.25” PRO-X Series 4-ohm Mid-Range Loudspeaker

• 300 watts Peak Each, 150 watts RMS Each
• Red Aluminum Bullet tweeters
• Non-Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

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

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
$49.95

In stock

Limited time!

Kicker KSC5 (51KSC504)

300W Peak (150W RMS) 5.25" KS Series 2 Way Coaxial 4-ohm Speakers

51KSC504 big
Go to item page Right Arrow Icon of Right Arrow

300W Peak (150W RMS) 5.25" KS Series 2 Way Coaxial 4-ohm Speakers

• 150 watts Peak Each, 75 watts RMS Each
• 1/2" Silk Dome tweeters
• 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.
install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
List price $149.99
-13% $129.99 /pair

In stock

MTX TERMINATOR35

80W Peak (40W RMS) 3.5" Terminator Series 2 Way Coaxial 4-ohm Car Speakers

TERMINATOR35 big
Go to item page Right Arrow Icon of Right Arrow

80W Peak (40W RMS) 3.5" Terminator Series 2 Way Coaxial 4-ohm Car Speakers

• 40 watts Peak Each, 20 watts RMS Each
• Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB

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

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
List price $59.95
-17% $49.95 /pair

In stock

Limited time!

Cerwin-Vega H675

540W Peak (180W RMS) 6.75" HED Series 2 Way Coaxial Speakers

H675 big
Go to item page Right Arrow Icon of Right Arrow

540W Peak (180W RMS) 6.75" HED Series 2 Way Coaxial Speakers

• 270 watts Peak Each, 90 watts RMS Each
• 1" PEI (Polyetherimide) Balanced Dome tweeters
• UV-Treated Polypropylene cone material

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

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
$137.99 /pair

Available

Ships in 10-14 days

Limited time!

Kenwood eXcelon KFC-X135

320W Peak (80W RMS) 5.25" eXcelon Series 2 Way Coaxial 4-ohm Car Speakers

KFC-X135 big
Go to item page Right Arrow Icon of Right Arrow

320W Peak (80W RMS) 5.25" eXcelon Series 2 Way Coaxial 4-ohm Car Speakers

• 160 watts Peak Each, 40 watts RMS Each
• 1" Soft Dome Tweeters
• Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB

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

VIP Product Get $11.15 in rewards to spend later

install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
List price $180.00
Save $68.50
-38% $111.50 /pair

In stock

Only 1 Left!

Limited time!

Precision Power (PPI) MAS.524

150W RMS 5.25" MAS Series 2 Way Coaxial 4-ohm Motorcycle Speakers

MAS.524 big
Go to item page Right Arrow Icon of Right Arrow

150W RMS 5.25" MAS Series 2 Way Coaxial 4-ohm Motorcycle Speakers

• Peak Each, 75 watts RMS Each
• 1" Titanium Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

Flash Sale! Save at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $27.00 in rewards to spend later

install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
1
List price $349.99
-23% $269.99 /pair

In stock

• Peak Each, 75 watts RMS Each
• 1" Titanium Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

Limited time!

Hertz CPX 165

570W Peak (190W RMS) 6.5" Cento Series 2-Way Coaxial 4-ohm Car Speakers

CPX 165 big
Go to item page Right Arrow Icon of Right Arrow

570W Peak (190W RMS) 6.5" Cento Series 2-Way Coaxial 4-ohm Car Speakers

• 285 watts Peak Each, 95 watts RMS Each
• 0.9 Soft Tetolon Dome tweeters
• Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

Free Baffles with Select Speakers Shop deal
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $35.00 in rewards to spend later

install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
3
List price $405.00
-14% $349.99 /pair

In stock

Limited time!

Kenwood KFC-1366S

520W Peak (60W RMS) 5.25" Sport Series 2 Way Coaxial 4-ohm Car Speakers

KFC-1366S big
Go to item page Right Arrow Icon of Right Arrow

520W Peak (60W RMS) 5.25" Sport Series 2 Way Coaxial 4-ohm Car Speakers

• 260 watts Peak Each, 30 watts RMS Each
• 1" PEI (Polyetherimide) Balanced Dome tweeters
• Polypropylene 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.
install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
3
List price $80.00
Save 39%
-39% $49.00 /pair

In stock

Deaf Bonce Machete MFH-50

200W Peak (100W RMS) 5.25" Machete Series 4-ohm Full Range Car Speakers

Machete MFH-50 big
Go to item page Right Arrow Icon of Right Arrow

200W Peak (100W RMS) 5.25" Machete Series 4-ohm Full Range Car Speakers

• 100 watts Peak Each, 50 watts RMS Each
• Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 90.6 dB

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

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
$39.90 /pair

In stock

Only 3 Left!

Limited time!

Hertz DCX130.3

160W Peak (80W RMS) 5.25" Dieci Series 2-way 4-ohm Coaxial Car Speakers

DCX130.3 big
Go to item page Right Arrow Icon of Right Arrow

160W Peak (80W RMS) 5.25" Dieci Series 2-way 4-ohm Coaxial Car Speakers

• 80 watts Peak Each, 40 watts RMS Each
• 0.6" PEI (Polyetherimide) Dome tweeters with neodynium magnets
• Water-repellent pressed paper cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

Free Speaker Accessory at Checkout!
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

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
List price $150.00
-13% $129.99 /pair

In stock

Only 2 Left!

Items per page: 20 40 60

    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 Speakers in 1999 A6 Quattro

    Q: Can I upgrade or change the Speakers in 1999 Audi A6 Quattro?

    A: Yes this page includes all the best Speakers that work in your A6 Quattro.

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

    2021 Lexus LX570

    1999 Audi A6 Quattro

    1983 Mazda 626

    1983 Mitsubishi Mighty Max

    1995 Jaguar XJ12

    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.