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

Hertz MLK165.3 (2-Pairs, 4-Total)

600W Peak (300W RMS) 6.5" Mille Legend Series 2-Way 4 Ohm component speaker system (2-Pairs)

MLK1653_2 big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (300W RMS) 6.5" Mille Legend Series 2-Way 4 Ohm component speaker system (2-Pairs)

• 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 4000
List price $2350.00
-11% $2,099.98

In stock

Only 1 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

JBL CLUB 64FSL (2-Pairs, 4-Total)

660W Peak (220W RMS) 6.5" Club Series 2-way 3-ohm Coaxial Car Speakers (2-Pairs)

CLUB64FSL_2 big
Go to item page Right Arrow Icon of Right Arrow

660W Peak (220W RMS) 6.5" Club Series 2-way 3-ohm Coaxial Car Speakers (2-Pairs)

• 165 watts Peak Each, 55 watts RMS Each
• 1" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 3 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 4000
1
List price $259.90
-23% $199.90

In stock

• 165 watts Peak Each, 55 watts RMS Each
• 1" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 92 dB

NVX - Worth the Envy - Direct to Consumer Car Audio

Kenwood KFC-P710PS (2-Pairs, 4-Total)

1120W Max (320W RMS) 6.5" Performance Series 2-Way Component Car Speakers (2-Pairs)

KFCP710PS_2 big
Go to item page Right Arrow Icon of Right Arrow

1120W Max (320W RMS) 6.5" Performance Series 2-Way Component Car Speakers (2-Pairs)

• 280 Watts Max Each, 80 Watts RMS Each
• 1" Soft Dome Tweeter
• Injection-Molded Polypropylene Cone
• 4 Ohm Impedance
• Sensitivity: 86 dB
• Mounting Depth: 2-3/16"

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your 4000
1
List price $420.00
-33% $283.00

In stock

Only 1 Left!

• 280 Watts Max Each, 80 Watts RMS Each
• 1" Soft Dome Tweeter
• Injection-Molded Polypropylene Cone
• 4 Ohm Impedance
• Sensitivity: 86 dB
• Mounting Depth: 2-3/16"

Pioneer TS-G1020S (2-Pairs, 4-Total)

840W Max (240W RMS) 4" G-Series 2-Way Coaxial Car Speakers (2-Pairs)

TSG1020S_2 big
Go to item page Right Arrow Icon of Right Arrow

840W Max (240W RMS) 4" G-Series 2-Way Coaxial Car Speakers (2-Pairs)

• 210W Max Each, 60W RMS Each
• 1-3/16 Balanced Dome Tweeter
• Injection Molded Polypropylene with Mica Cone
• 4 ohm Impedance
• Sensitivity: 87dB
• Mounting Depth: 1-3/4"

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your 4000
2
List price $130.00
-25% $97.98

In stock

• 210W Max Each, 60W RMS Each
• 1-3/16 Balanced Dome Tweeter
• Injection Molded Polypropylene with Mica Cone
• 4 ohm Impedance
• Sensitivity: 87dB
• Mounting Depth: 1-3/4"

Pioneer TS-D69F (2-Pairs, 4-Total)

1320W Peak (440W RMS) 6x9” D Series 2-way Coaxial Car Speakers (2-Pairs)

TSD69F_2 big
Go to item page Right Arrow Icon of Right Arrow

1320W Peak (440W RMS) 6x9” D Series 2-way Coaxial Car Speakers (2-Pairs)

• 330 watts Peak Each, 110 watts RMS Each
• 1" Polyester Fiber Dome Tweeters
• Aramid Fiber Interlaced Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB
• Mounting Depth: 2 15/16"

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your 4000
2
List price $480.00
-43% $272.00

In stock

• 330 watts Peak Each, 110 watts RMS Each
• 1" Polyester Fiber Dome Tweeters
• Aramid Fiber Interlaced Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB
• Mounting Depth: 2 15/16"

Crunch 300 Watts 6.5-Inch Coax Shallow + 400 Watts 6 x 9 Inches CS Speakers

Crunch 300 Watts 6.5-Inch Coax Shallow + 400 Watts 6 x 9 Inches CS Speakers

CS693,CS65CXS big
Go to item page Right Arrow Icon of Right Arrow

Crunch 300 Watts 6.5-Inch Coax Shallow + 400 Watts 6 x 9 Inches CS Speakers

• Peak Power: 300W
• RMS Power: 150W
• Mylar Soft Dome Tweeter
• Mounting Depth: 1.73"
• Silver Alpha Cellulose Cone and Rubber Surround

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your 4000
33
List price $82.98
-25% $61.95

In stock

• Peak Power: 300W
• RMS Power: 150W
• Mylar Soft Dome Tweeter
• Mounting Depth: 1.73"
• Silver Alpha Cellulose Cone and Rubber Surround

JBL SHOCK WAVE 150W65 (2-Pack, 4-Total)

1200W Peak (600W RMS) Shock Wave Series 6.5” Midrange Speakers

JBLSPKSW150W65_2 big
Go to item page Right Arrow Icon of Right Arrow

1200W Peak (600W RMS) Shock Wave Series 6.5” Midrange Speakers

• 300 watts Peak Each, 150 watts RMS Each
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 96 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 4000
5
List price $259.90
-12% $229.90

In stock

• 300 watts Peak Each, 150 watts RMS Each
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 96 dB

Limited time!

NVX VSP69 (2-Pairs, 4-Total)

1800W Peak (600W RMS) 6x9" V-Series 2-Way Coaxial Speakers with 25mm Silk Dome Tweeters (2-Pairs)

VSP69_2 big
Go to item page Right Arrow Icon of Right Arrow

1800W Peak (600W RMS) 6x9" V-Series 2-Way Coaxial Speakers with 25mm Silk Dome Tweeters (2-Pairs)

• 450 watts Peak Each, 150 watts RMS Each
• 1" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB
• Mounting Depth: 3.14"

Purchase $400 or More of NVX and Save 15%!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your 4000
56
List price $263.98
-21% $208.98

In stock

• 450 watts Peak Each, 150 watts RMS Each
• 1" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB
• Mounting Depth: 3.14"

Limited time!

NVX VSP65KIT (2-Pairs, 4-Total)

1500W Peak (500W RMS) 6.5" V-Series 2-Way Component Speaker System with 25mm Silk Dome Tweeters (2-Pairs)

VSP65KIT_2 big
Go to item page Right Arrow Icon of Right Arrow

1500W Peak (500W RMS) 6.5" V-Series 2-Way Component Speaker System with 25mm Silk Dome Tweeters (2-Pairs)

• 375 watts Peak Each, 125 watts RMS Each
• 1" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB
• Mounting Depth: 2.51"

Purchase $400 or More of NVX and Save 15%!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your 4000
84
List price $287.98
-21% $227.98

In stock

• 375 watts Peak Each, 125 watts RMS Each
• 1" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB
• Mounting Depth: 2.51"

Pioneer TS-G6930F (2-Pairs, 4-Total)

1600W Peak (180W RMS) 6x9" G-Series 3-Way Coaxial Car Speakers (2-Pairs)

TSG6930F_2 big
Go to item page Right Arrow Icon of Right Arrow

1600W Peak (180W RMS) 6x9" G-Series 3-Way Coaxial Car Speakers (2-Pairs)

• 400W Max Each / 90W RMS Each
• 2" Cone Tweeter, 3/8" Dome Supertweeter
• Injection Molded Polypropylene Cone
• 4 ohm Impedance
• Sensitivity: 90dB
• Mounting Depth: 2-3/4"

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your 4000
14
List price $160.00
-25% $119.98

In stock

• 400W Max Each / 90W RMS Each
• 2" Cone Tweeter, 3/8" Dome Supertweeter
• Injection Molded Polypropylene Cone
• 4 ohm Impedance
• Sensitivity: 90dB
• Mounting Depth: 2-3/4"

Rockford Fosgate Punch P142 (2-Pairs, 4-Total)

240W MAX (120W RMS) 4" Punch Series 2-Way Coaxial Car Speakers (2-Pairs)

09-P142_2 big
Go to item page Right Arrow Icon of Right Arrow

240W MAX (120W RMS) 4" Punch Series 2-Way Coaxial Car Speakers (2-Pairs)

• 60 watts Peak Each, 30 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome Tweeters
• Mineral-Filled Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86.5 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 4000
11
$219.98

In stock

Only 1 Left!

• 60 watts Peak Each, 30 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome Tweeters
• Mineral-Filled Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86.5 dB

DS18 EXL-SQ6.9 (2-Pairs, 4-Total)

2240W Peak (640W RMS) 6x9” 2-Way EXL Series Coaxial Speakers (2-Pairs)

EXLSQ69_2 big
Go to item page Right Arrow Icon of Right Arrow

2240W Peak (640W RMS) 6x9” 2-Way EXL Series Coaxial Speakers (2-Pairs)

• 560 watts Peak Each, 160 watts RMS Each
• 1.14" PEI (Polyetherimide) Dome Tweeters
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 90 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your 4000
$479.90

In stock

Only 1 Left!

• 560 watts Peak Each, 160 watts RMS Each
• 1.14" PEI (Polyetherimide) Dome Tweeters
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 90 dB

Hertz SX 165 NEO (2-Pairs, 4-Total)

800W Peak (400W RMS) 6.5" SPL Show Series 2-way Car Speakers for SPL Competition (2-Pairs)

SX165NEO_2 big
Go to item page Right Arrow Icon of Right Arrow

800W Peak (400W RMS) 6.5" SPL Show Series 2-way Car Speakers for SPL Competition (2-Pairs)

• 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 4000
8
List price $960.00
-6% $899.98

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"

DS18 PRO-GM6.4PK (2-Pairs, 4-Total)

1920W Peak (560W RMS) 6.5” PRO-GM Series Component Speakers (2-Pairs)

PROGM64PK_2 big
Go to item page Right Arrow Icon of Right Arrow

1920W Peak (560W RMS) 6.5” PRO-GM Series Component Speakers (2-Pairs)

• 480 watts Peak Each, 140 watts RMS Each
• 1" Aluminum Bullet Tweeters
• Impedance: 4 ohm
• Sensitivity: 92 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your 4000
3
$207.90

In stock

Only 1 Left!

• 480 watts Peak Each, 140 watts RMS Each
• 1" Aluminum Bullet Tweeters
• Impedance: 4 ohm
• Sensitivity: 92 dB

JVC CS-DR6941 (2-Pairs, 4-Total)

2000W Peak (280W RMS) 6x9" DRVN Series 4-Way Coaxial Car Speakers (2-Pairs)

CSDR6941_2 big
Go to item page Right Arrow Icon of Right Arrow

2000W Peak (280W RMS) 6x9" DRVN Series 4-Way Coaxial Car Speakers (2-Pairs)

• 500 watts Peak Each, 70 watts RMS Each
• 19/32 Poly-Ether Imide Dome Tweeters
• Carbon Mica 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 4000
List price $298.00
-13% $258.00

In stock

• 500 watts Peak Each, 70 watts RMS Each
• 19/32 Poly-Ether Imide Dome Tweeters
• Carbon Mica cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

Limited time!

NVX XSP692 (2-Pairs, 4-Total)

1800W Peak (600W) RMS X-Series 6x9" 2-Way Coaxial Speakers with Carbon Fiber Cones and 25mm Silk Dome Tweeters (2-Pairs)

XSP692_2 big
Go to item page Right Arrow Icon of Right Arrow

1800W Peak (600W) RMS X-Series 6x9" 2-Way Coaxial Speakers with Carbon Fiber Cones and 25mm Silk Dome Tweeters (2-Pairs)

• 450 watts Max Each, 150 watts RMS Each
• 1" Silk Dome Tweeters
• Lightweight Carbon Fiber cone
• Impedance: 4 ohm
• Sensitivity: 92 dB
• Mounting Depth: 3.07"

Purchase $400 or More of NVX and Save 15%!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your 4000
15
List price $383.98
-36% $246.98

In stock

• 450 watts Max Each, 150 watts RMS Each
• 1" Silk Dome Tweeters
• Lightweight Carbon Fiber cone
• Impedance: 4 ohm
• Sensitivity: 92 dB
• Mounting Depth: 3.07"

Pioneer TS-A1681F (2-Pairs, 4-Total)

1400W Peak (320W RMS) 6.5" A-Series 4-way Coaxial Speakers (2-Pairs)

TSA1681F_2 big
Go to item page Right Arrow Icon of Right Arrow

1400W Peak (320W RMS) 6.5" A-Series 4-way Coaxial Speakers (2-Pairs)

• 350 watts Peak Each, 80 watts RMS Each
• 7/16" Polyetherimide Dome Tweeters
• Injection Molded Polypropylene - IMPP cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your 4000
3
List price $260.00
-15% $219.98

In stock

• 350 watts Peak Each, 80 watts RMS Each
• 7/16" Polyetherimide Dome Tweeters
• Injection Molded Polypropylene - IMPP cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB

Pioneer TS-A6991F (2-Pairs, 4-Total)

2800W Peak (560W RMS) 6x9" A-Series 5-way Coaxial Speakers (2-Pairs)

TSA6991F_2 big
Go to item page Right Arrow Icon of Right Arrow

2800W Peak (560W RMS) 6x9" A-Series 5-way Coaxial Speakers (2-Pairs)

• 700 watts Peak Each, 120 watts RMS Each
• 3/4" Polyetherimide Dome Tweeters
• Carbon and Mica Reinforced Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your 4000
10
List price $300.00
-13% $259.98

In stock

Only 2 Left!

• 700 watts Peak Each, 120 watts RMS Each
• 3/4" Polyetherimide Dome Tweeters
• Carbon and Mica Reinforced Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

(4) Kicker 43DSC69304 DSC6930 6x9 3-Way Car Speakers

2 Pairs (4 Total) 720W Peak (180W RMS) 6x9" 3-Way DS Series Coaxial Car Speakers Package

43DSC69304 2 Pack big
Go to item page Right Arrow Icon of Right Arrow

2 Pairs (4 Total) 720W Peak (180W RMS) 6x9" 3-Way DS Series Coaxial Car Speakers Package

• 360 Watts Max Each, 90 Watts RMS Each
• Rigid polypropylene cone material
• UV-treated foam speaker surround
• 4 Ohm Impedance
• Sensitivity: 92dB
• Mounting Depth: 3.25"

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your 4000
33
List price $279.98
-14% $239.98

In stock

• 360 Watts Max Each, 90 Watts RMS Each
• Rigid polypropylene cone material
• UV-treated foam speaker surround
• 4 Ohm Impedance
• Sensitivity: 92dB
• Mounting Depth: 3.25"

(2) MB QUART FKB169 6x9" 300 Watt Car Speakers+(2) 6.5" 240 Watt Speakers

300W Max (150W RMS) 6x9" Formula Series 2-Way Coaxial Car Speakers Package

FKB 116,FKB169 big
Go to item page Right Arrow Icon of Right Arrow

300W Max (150W RMS) 6x9" Formula Series 2-Way Coaxial Car Speakers Package

• 150 Watts Max Each, 75 Watts RMS Each
• 1" Aluminum Dome Tweeter
• Thermo-Formed Polypropylene Cone
• 4 ohm Impedance
• Sensitivity: 88 dB
• Mounting Depth: 3.35"

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your 4000
20
List price $169.98
-49% $85.98

In stock

Only 2 Left!

NVX - Worth the Envy - Direct to Consumer Car Audio

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 1981 4000

    Q: Can I upgrade or change the Speakers in 1981 Audi 4000?

    A: Yes this page includes all the best Speakers that work in your 4000.

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

    1991 GMC P3500

    1981 Audi 4000

    2005 Land Rover LR3

    1979 Jeep Cherokee

    2006 BMW M5

    2004 Dodge Sprinter 2500

    1995 Eagle Summit

    1986 Toyota Celica

    2015 Chevrolet Express 2500

    1985 GMC K2500 Pickup

    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.