Garage
Shop
Loading...
Filters
filter-icon Filters & Sort

Hertz MPX 165.3 with Installation Accessories

400W Peak (200W RMS) 6.5" Mille PRO Series 2-way 4-ohm Coaxial Speakers + 6.5" Speaker Baffles + Sound Damping, Roller and Panel Removal Kit

MPX1653_ACC_KIT big
Go to item page Right Arrow Icon of Right Arrow

400W Peak (200W RMS) 6.5" Mille PRO Series 2-way 4-ohm Coaxial Speakers + 6.5" Speaker Baffles + Sound Damping, Roller and Panel Removal Kit

• 200 watts Peak Each, 100 watts RMS Each
• 1" Tetolon Soft Dome Tweeters
• Pressed Pulp Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A4
338
List price $557.71
-11% $494.05

In stock

• 200 watts Peak Each, 100 watts RMS Each
• 1" Tetolon Soft Dome Tweeters
• Pressed Pulp Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

DS18 PRO-GM8 with Sound Damping

580W Peak (190W RMS) 8" PRO-GM Series 8-ohm Midrange Car Loudspeaker + NVX SDBSK2 Premium Sound Damping

PROGM8_SDBSK2 big
Go to item page Right Arrow Icon of Right Arrow

580W Peak (190W RMS) 8" PRO-GM Series 8-ohm Midrange Car Loudspeaker + NVX SDBSK2 Premium Sound Damping

• 580 watts Peak Each, 190 watts RMS Each
• Paper cone material
• Impedance: 8 ohm
• Sensitivity: 93 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A4
48
List price $60.73
-25% $45.44

In stock

Only 1 Left!

• 580 watts Peak Each, 190 watts RMS Each
• Paper cone material
• Impedance: 8 ohm
• Sensitivity: 93 dB

Hertz MLK165.3 with Sound Damping

300W Peak (150W RMS) 6.5" Mille Legend Series 2-Way 4 Ohm component speaker system + NVX SDSK2 Sound Damping

MLK1653_SDSK2 big
Go to item page Right Arrow Icon of Right Arrow

300W Peak (150W RMS) 6.5" Mille Legend Series 2-Way 4 Ohm component speaker system + NVX SDSK2 Sound Damping

• 150 Watts Max Each, 75 Watts RMS Each
• Pressed-pulp cone with cotton fibers cone material
• Tetolon Tweeter Dome
• 4 Ohm Impedance
• Sensitivity: 91 dB

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A4
48
List price $1193.74
-11% $1,064.98

In stock

Only 3 Left!

• 150 Watts Max Each, 75 Watts RMS Each
• Pressed-pulp cone with cotton fibers cone material
• Tetolon Tweeter Dome
• 4 Ohm Impedance
• Sensitivity: 91 dB

Cerwin-Vega CVP65 with Sound Damping

300W Peak (150W RMS) 6.5" PRO Series Full Range Coaxial Car Speaker + NVX SDSK2 Sound Damping

CVP65_SDSK2 big
Go to item page Right Arrow Icon of Right Arrow

300W Peak (150W RMS) 6.5" PRO Series Full Range Coaxial Car Speaker + NVX SDSK2 Sound Damping

• 300 watts Peak Each, 150 watts RMS Each
• Impedance: 4 ohm
• Sensitivity: 93 dB

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A4
50
List price $72.73
-18% $59.98

In stock

• 300 watts Peak Each, 150 watts RMS Each
• Impedance: 4 ohm
• Sensitivity: 93 dB

Infinity Kappa 63XF with Sound Damping

510W Peak (170W RMS) 6.5" Kappa Series 2-Way Coaxial Speakers with Silk Dome Tweeters + NVX SDSK2 Sound Damping

KAPPA63XF_SDSK2 big
Go to item page Right Arrow Icon of Right Arrow

510W Peak (170W RMS) 6.5" Kappa Series 2-Way Coaxial Speakers with Silk Dome Tweeters + NVX SDSK2 Sound Damping

• 255 watts Peak Each, 85 watts RMS Each
• Silk Dome Tweeters
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A4
58
List price $318.69
-33% $214.94

In stock

• 255 watts Peak Each, 85 watts RMS Each
• Silk Dome Tweeters
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

Diamond Audio MSPRO65 with Sound Damping

MSPRO Series 6.5" Midrange Motorcycle Speakers 400W RMS, Pair + NVX SDSK2 Sound Damping

MSPRO65_SDSK2 big
Go to item page Right Arrow Icon of Right Arrow

MSPRO Series 6.5" Midrange Motorcycle Speakers 400W RMS, Pair + NVX SDSK2 Sound Damping

• RMS: 400W / Peak: 800W
• Frequency Response: 110Hz - 10kHz
• Sensitivity: 97dB
• Manufactured to IP65 Marine Grade Compliant Specifications
• Shorting Ring Utilized In Motor Structure For Far-Field Performance

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A4
49
$294.98

In stock

• RMS: 400W / Peak: 800W
• Frequency Response: 110Hz - 10kHz
• Sensitivity: 97dB
• Manufactured to IP65 Marine Grade Compliant Specifications
• Shorting Ring Utilized In Motor Structure For Far-Field Performance

AudioControl PNW-65CS2 with Installation Accessories

250W Peak (150W RMS) 6.5″ PNW Series 2-way 3-ohm Component Speaker System + 6.5” Speaker Baffles + Sound Dampening, Roller and Panel Removal Kit

PNW65CS2_ACC_KIT big
Go to item page Right Arrow Icon of Right Arrow

250W Peak (150W RMS) 6.5″ PNW Series 2-way 3-ohm Component Speaker System + 6.5” Speaker Baffles + Sound Dampening, Roller and Panel Removal Kit

• 125 watts Peak Each, 75 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene-Mica cone material
• Impedance: 3 ohm
• Sensitivity: 88.8 dB

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A4
339
List price $426.71
-15% $363.06

In stock

• 125 watts Peak Each, 75 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene-Mica cone material
• Impedance: 3 ohm
• Sensitivity: 88.8 dB

AudioControl PNW-65 with Sound Damping

200W Peak (150W RMS) 6.5″ PNW Series 2-way Coaxial Speakers + NVX SDSK2 Sound Damping

PNW65_SDSK2 big
Go to item page Right Arrow Icon of Right Arrow

200W Peak (150W RMS) 6.5″ PNW Series 2-way Coaxial Speakers + NVX SDSK2 Sound Damping

• 100 watts Peak Each, 50 watts RMS Each
• 1" Silk Dome Tweeters
• Rigid Poly Mica cone material
• Impedance: 3 ohm
• Sensitivity: 88.9 dB

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A4
51
List price $297.74
-8% $273.99

In stock

• 100 watts Peak Each, 50 watts RMS Each
• 1" Silk Dome Tweeters
• Rigid Poly Mica cone material
• Impedance: 3 ohm
• Sensitivity: 88.9 dB

Diamond Audio MP654 with Sound Damping

300W Peak (150W RMS) 6.5" Motorsport Series PRO Full-Range Co-Ax Horn Speaker - Pair + NVX SDSK2 Sound Damping

MP654_SDSK2 big
Go to item page Right Arrow Icon of Right Arrow

300W Peak (150W RMS) 6.5" Motorsport Series PRO Full-Range Co-Ax Horn Speaker - Pair + NVX SDSK2 Sound Damping

• 300 watts Max Each, 150 watts RMS Each
• 1" Horn Tweeters
• Impedance: N/A
• Sensitivity: 101 dB
• Mounting Depth: 3.33"

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A4
51
List price $458.73
$454.98

In stock

Only 3 Left!

• 300 watts Max Each, 150 watts RMS Each
• 1" Horn Tweeters
• Impedance: N/A
• Sensitivity: 101 dB
• Mounting Depth: 3.33"

Hertz SV 200 NEO with Sound Damping

1000W Peak (400W RMS) 8" SPL Show Series 4-ohms Midrange Car Speakers + NVX SDSK2 Sound Damping

SV200NEO_SDSK2 big
Go to item page Right Arrow Icon of Right Arrow

1000W Peak (400W RMS) 8" SPL Show Series 4-ohms Midrange Car Speakers + NVX SDSK2 Sound Damping

• 500 watts Peak Each, 200 watts RMS Each
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 100 dB

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A4
48
List price $668.74
-18% $549.99

In stock

Only 1 Left!

• 500 watts Peak Each, 200 watts RMS Each
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 100 dB

Lowest price in 30 days

Kenwood eXcelon KFC-XP184C with Sound Damping

560W Peak (160W RMS) 6.5" eXcelon Series 2-way 4-ohm Component Car Speakers + NVX SDBSK2 Premium Sound Damping

KFCXP184C_SDBSK2 big
Go to item page Right Arrow Icon of Right Arrow

560W Peak (160W RMS) 6.5" eXcelon Series 2-way 4-ohm Component Car Speakers + NVX SDBSK2 Premium Sound Damping

• 280 watts Peak Each, 80 watts RMS Each
• 1" Silk Soft Dome tweeters
• Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86.3 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A4
51
List price $308.74
-39% $189.49

In stock

• 280 watts Peak Each, 80 watts RMS Each
• 1" Silk Soft Dome tweeters
• Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86.3 dB

AudioControl PNW-35 with Sound Damping

100W Peak (30W RMS) 3.5″ PNW Series High-fidelity 2-way 2-ohm Coaxial Speakers + NVX SDSK2 Sound Damping

PNW35_SDSK2 big
Go to item page Right Arrow Icon of Right Arrow

100W Peak (30W RMS) 3.5″ PNW Series High-fidelity 2-way 2-ohm Coaxial Speakers + NVX SDSK2 Sound Damping

• 50 watts Peak Each, 15 watts RMS Each
• 1" Silk Dome Tweeters
• Rigid Poly Mica cone material
• Impedance: 2 ohm
• Edge-enhanced steel frame

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A4
50
List price $187.74
-13% $163.99

In stock

Only 2 Left!

• 50 watts Peak Each, 15 watts RMS Each
• 1" Silk Dome Tweeters
• Rigid Poly Mica cone material
• Impedance: 2 ohm
• Edge-enhanced steel frame

Hertz SX 165 NEO with Sound Damping

400W Peak (200W RMS) 6.5" Show Series 2-way Car Speakers for SPL Competition + NVX SDSK2 Sound Damping

SX165NEO_SDSK2 big
Go to item page Right Arrow Icon of Right Arrow

400W Peak (200W RMS) 6.5" Show Series 2-way Car Speakers for SPL Competition + NVX SDSK2 Sound Damping

• 200 watts Max Each, 100 watts RMS Each
• 1.1 PEI (Polyetherimide) Dome Tweeters
• Water repellent pressed paper cone material
• Impedance: 4 ohm
• Sensitivity: 96.5 dB
• Mounting Depth: 2-1/4"

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A4
56
List price $498.74
-7% $464.98

In stock

• 200 watts Max Each, 100 watts RMS Each
• 1.1 PEI (Polyetherimide) Dome Tweeters
• Water repellent pressed paper cone material
• Impedance: 4 ohm
• Sensitivity: 96.5 dB
• Mounting Depth: 2-1/4"

Hertz MPX 165.3 with Sound Damping

400W Peak (200W RMS) 6.5" Mille PRO Series 2-way 4-ohm Coaxial Speakers + NVX SDSK2 Sound Damping

MPX1653_SDSK2 big
Go to item page Right Arrow Icon of Right Arrow

400W Peak (200W RMS) 6.5" Mille PRO Series 2-way 4-ohm Coaxial Speakers + NVX SDSK2 Sound Damping

• 200 watts Peak Each, 100 watts RMS Each
• 1" Tetolon Soft Dome Tweeters
• Pressed Pulp Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A4
51
List price $488.74
-5% $464.98

In stock

• 200 watts Peak Each, 100 watts RMS Each
• 1" Tetolon Soft Dome Tweeters
• Pressed Pulp Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

MB Quart FKB 116 (FKB116) with Sound Damping

240W Peak (120W RMS) 6.5" Formula Series 2-way 4-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

FKB116_SDBSK2 big
Go to item page Right Arrow Icon of Right Arrow

240W Peak (120W RMS) 6.5" Formula Series 2-way 4-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

• 120 watts Peak Each, 60 watts RMS Each
• 1" Aluminum Dome tweeters
• Lightweight Thermal-formed Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A4
60
List price $98.73
-49% $49.98

In stock

• 120 watts Peak Each, 60 watts RMS Each
• 1" Aluminum Dome tweeters
• Lightweight Thermal-formed Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

Alpine HDZ-653S with Sound Damping

600W Peak (200W RMS) 6.5” Status Series Slim-fit 3-way 4-ohm Component Speaker System + NVX SDSK2 Sound Damping

HDZ653S_SDSK2 big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (200W RMS) 6.5” Status Series Slim-fit 3-way 4-ohm Component Speaker System + NVX SDSK2 Sound Damping

• 300 watts Peak Each, 100 watts RMS Each
• 1" Dome Tweeters
• Carbon Composite cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A4
48
List price $1458.74
-33% $974.94

In stock

Only 2 Left!

• 300 watts Peak Each, 100 watts RMS Each
• 1" Dome Tweeters
• Carbon Composite cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

Hertz MPK1650.3 with Sound Damping

250W Peak (125W RMS) 6.5" Mille PRO Series 2-Way 3 Ohm Component speaker system + NVX SDSK2 Sound Damping

MPK16503_SDSK2 big
Go to item page Right Arrow Icon of Right Arrow

250W Peak (125W RMS) 6.5" Mille PRO Series 2-Way 3 Ohm Component speaker system + NVX SDSK2 Sound Damping

• 125 Watts Max Each, 25 Watts RMS Each
• Pressed-pulp cone with cotton fibers cone material
• Tetolon Tweeter Dome
• 3 Ohm Impedance
• Sensitivity: 93 dB

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A4
49
List price $958.74
-15% $814.98

In stock

Only 1 Left!

• 125 Watts Max Each, 25 Watts RMS Each
• Pressed-pulp cone with cotton fibers cone material
• Tetolon Tweeter Dome
• 3 Ohm Impedance
• Sensitivity: 93 dB

Alpine R2-S65 with Sound Damping

600W Peak (200W RMS) 6.5" R-Series 2-Way Coaxial Speakers with Magnesium Hard-Dome Tweeters + NVX SDSK2 Sound Damping

R2S65_SDSK2 big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (200W RMS) 6.5" R-Series 2-Way Coaxial Speakers with Magnesium Hard-Dome Tweeters + NVX SDSK2 Sound Damping

• 300 watts Peak Each, 100 watts RMS Each
• 1" Magnesium Hard Dome Tweeters
• Glass Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A4
60
List price $418.74
-33% $278.94

In stock

• 300 watts Peak Each, 100 watts RMS Each
• 1" Magnesium Hard Dome Tweeters
• Glass Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

Diamond Audio DESK3 with Sound Damping

100W Peak (50W RMS) 3.5" Elite Series 3-Way Component Speaker System + NVX SDSK2 Sound Damping

DESK3_SDSK2 big
Go to item page Right Arrow Icon of Right Arrow

100W Peak (50W RMS) 3.5" Elite Series 3-Way Component Speaker System + NVX SDSK2 Sound Damping

• 100 watts Peak Each, 25 watts RMS Each
• 1" Aluminum Dome Tweeters
• Composite foam core carbon fiber cone material
• Impedance: 4 ohm
• Sensitivity: 83 dB

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A4
48
List price $308.73
$304.98

In stock

Only 1 Left!

• 100 watts Peak Each, 25 watts RMS Each
• 1" Aluminum Dome Tweeters
• Composite foam core carbon fiber cone material
• Impedance: 4 ohm
• Sensitivity: 83 dB

Rockford Fosgate Power T1650 with Sound Damping

300W Peak (150W RMS) 6.5" Power Series 2-way 4-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

T1650_SDBSK2 big
Go to item page Right Arrow Icon of Right Arrow

300W Peak (150W RMS) 6.5" Power Series 2-way 4-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

• 150 watts Peak Each, 75 watts RMS Each
• 1" Aluminum Dome tweeters
• Injection-molded Carbon Fiber-filled Polypropylene cone material with Vertical Attach Surround Technique (VAST)
• Impedance: 4 ohm
• Sensitivity: 88 dB

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A4
58
List price $238.73
$234.98

In stock

• 150 watts Peak Each, 75 watts RMS Each
• 1" Aluminum Dome tweeters
• Injection-molded Carbon Fiber-filled Polypropylene cone material with Vertical Attach Surround Technique (VAST)
• Impedance: 4 ohm
• Sensitivity: 88 dB

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 2020 A4

    Q: Can I upgrade or change the Speakers in 2020 Audi A4?

    A: Yes this page includes all the best Speakers that work in your A4.

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

    2017 Chevrolet Suburban

    2007 Cadillac CTS

    1997 Volkswagen Jetta

    2020 Audi A4

    2005 Ford Ranger

    2011 Land Rover LR4

    2003 Volkswagen Golf

    Vehicle
    Store
    Delete

    2019 Can-Am Defender XT HD8

    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.