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1977 Audi Fox

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Overview Upgrade your Speakers Add a Subwoofer Add an Amplifier Digital Sound Processors Audio Installation & Accessories Add a Backup Camera Dads & Grads Sale

Speakers & Speaker Installation for 1977 Audi Fox

Find speakers to upgrade your sound and fit in the factory speaker location for your Fox.  After you choose your speakers, we'll help you find speaker adapters, speaker harnesses and other accessories for installation.

All car speakers

Shop All Speaker Locations in the Vehicle

See all speakers that fit, regardless of location.

Front Door Panel Speakers

Front Door Speakers

Speakers for your front door panels

Rear Deck Corner

Rear Deck Corner Speakers

Speakers for your corner rear deck

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Speaker Size
Refers to the size of the speaker measured in inches. Every vehicle has standard application sizes. Please use our vehicle fitment guide for your vehicle's specific speaker sizes if you do not know them.
Design
The number of individual drivers in a car speaker. Speakers with 2 drivers are known as a 2-way, and 3 drivers are known as a 3-way. Component systems are often referred to as "separates" because the tweeter is not attached to the midwoofer (main speaker driver) and mounts separately in a location such as a door post. Component systems typically come with an external crossover so you can easily adjust the high and low frequencies sent to both the midwoofer and the tweeter. Center channel speakers are great for those looking to have surround sound in their vehicle.
RMS Power Handling
The RMS power is the amount of power the speaker requires to operate safely and properly. RMS Power Handling refers to the amount of power a speaker can handle on a continuous basis. We recommend powering your speakers or subwoofer with 80%-120% of its recommended RMS rating. The RMS power handling specification is typically rated per speaker unless otherwise noted.
Peak Power Handling
Peak power handling refers to the amount of power a speaker can handle during a brief musical burst. The RMS power range figure is a much more reliable rating for determining the speaker's power requirements. The Peak power handling specification is typically rated per speaker unless otherwise noted.
Sensitivity
An efficiency or sensitivity rating tells you how effectively a speaker converts power into sound. The higher the number, the more efficient the speaker and the louder it will play with the same input power. An efficient speaker helps you maximize your available power. Most sensitivity ratings measure the speaker's output with 1 watt of input, 1 meter from the speaker. Some speakers' sensitivity is measured with 2.83 volts of input, instead of 1 watt.
  Efficiency (1w/1m) is not an accurate indicator of a subwoofer's output capability and should not be used as a comparison to other speakers or subwoofers to determine which one is "louder".
Impedance (Per Voice Coil)
The load value (in ohms) that the speakers present to the amplifier per voice coil - the amount of resistance to the current flow. This is a key specification as subs wired in parallel or low impedances can create problems with your amplifier and potentially void all warranties. We encourage you to ask our support department prior to purchase if you do not understand which impedance level will suit your application best.
Shallow Mount Installation
This means that the subwoofer/speaker is designed to be installed in areas that do not have a lot of space. Shallow mount subwoofers are typically found under a seat or behind the seat in some trucks.

Shallow mount speakers will typically have a mounting depth of 2" or less, while shallow mount subwoofers will typically have a mounting depth of 3" or less.
Tweeter Design
Designs such as cone, dome, semi-dome, balanced dome, and whizzer are most popular. Cone tweeters are simple, efficient and typically are the most reasonably priced. Dome tweeters are used in most home speakers, and provide a smoother and more accurate sound. Semi-dome design is one with a dome placed inside a cone. A Balanced dome driver is a semi-dome with equal reproduction area given the cone and dome portions of the driver. A whizzer tweeter is a separate tweeter cone driven by the voice coil of the woofer.
Series
Many brands group their products into series or lines of products to help customers know the level of quality (good, better, best for example). You can filter by series and the brand using our guided browsing.
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MB Quart FKB 110 (FKB110) with Sound Damping

140W Peak (70W RMS) 4" Quart Formula Series 2-way 4-ohm Coaxial Car Speakers. + NVX SDBSK2 Premium Sound Damping

FKB110_SDBSK2 big
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MB Quart FKB 110 (FKB110) with Sound Damping

140W Peak (70W RMS) 4" Quart Formula Series 2-way 4-ohm Coaxial Car Speakers. + NVX SDBSK2 Premium Sound Damping

• 70 watts Peak Each, 35 watts RMS Each
• 1" Aluminum Dome Tweeters
• Lightweight thermal-formed polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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Fits your Fox
48
List price $65.73
-32% $44.98

In stock

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• 70 watts Peak Each, 35 watts RMS Each
• 1" Aluminum Dome Tweeters
• Lightweight thermal-formed polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

MB Quart FKB 113 (FKB113) with Sound Damping

180W Peak (90W RMS) 5.25" Formula Series 2-way 4-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

FKB113_SDBSK2 big
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MB Quart FKB 113 (FKB113) with Sound Damping

180W Peak (90W RMS) 5.25" Formula Series 2-way 4-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

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

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52
List price $88.73
-49% $44.98

In stock

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

NVX - Worth the Envy - Direct to Consumer Car Audio

DS18 PRO-X5.4BM (Sold Individually) with Sound Damping

300W Peak (150W RMS) 5.25” PRO-X Series 4-ohm Mid-Range Loudspeaker + NVX SDBSK2 Premium Sound Damping

PROX54BM_SDBSK2 big
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DS18 PRO-X5.4BM (Sold Individually) with Sound Damping

300W Peak (150W RMS) 5.25” PRO-X Series 4-ohm Mid-Range Loudspeaker + NVX SDBSK2 Premium Sound Damping

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

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48
List price $68.69
-12% $60.44

In stock

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

MTX TERMINATOR5 with Sound Damping

140W Peak (70W RMS) 5.25" Terminator Series 2-way 4-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

TERMINATOR5_SDBSK2 big
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MTX TERMINATOR5 with Sound Damping

140W Peak (70W RMS) 5.25" Terminator Series 2-way 4-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

• 70 watts Peak Each, 35 watts RMS Each
• Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 85.3 dB

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48
List price $88.69
-16% $74.94

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• 70 watts Peak Each, 35 watts RMS Each
• Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 85.3 dB

Limited time!

NVX VSP525 with Sound Damping

480W Peak (160W RMS) 5.25" V-Series 2-Way Coaxial Speakers with 25mm Silk Dome Tweeters + NVX SDBSK2 Premium Sound Damping

VSP525_SDBSK2 big
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NVX VSP525 with Sound Damping

480W Peak (160W RMS) 5.25" V-Series 2-Way Coaxial Speakers with 25mm Silk Dome Tweeters + NVX SDBSK2 Premium Sound Damping

• 240 watts Peak Each, 80 watts RMS Each
• 1" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB
• Mounting Depth: 2.16"

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71
List price $114.73
-21% $90.48

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• 240 watts Peak Each, 80 watts RMS Each
• 1" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB
• Mounting Depth: 2.16"

Pioneer TS-G1320S with Sound Damping

500W Peak (70W RMS) 5.25" G-Series 2-way 4-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

TSG1320S_SDBSK2 big
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Pioneer TS-G1320S with Sound Damping

500W Peak (70W RMS) 5.25" G-Series 2-way 4-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

• 250 watts Peak Each, 35 watts RMS Each
• 1-3/16" Polyethylene Terephthalate (PET) Balanced Dome tweeters
• Mica Injected Polypropylene - MIPP cone material with Progressive Flex Suspension System (PFSS) spider
• Impedance: 4 ohm
• Sensitivity: 87 dB

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55
List price $83.74
-28% $59.98

In stock

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• 250 watts Peak Each, 35 watts RMS Each
• 1-3/16" Polyethylene Terephthalate (PET) Balanced Dome tweeters
• Mica Injected Polypropylene - MIPP cone material with Progressive Flex Suspension System (PFSS) spider
• Impedance: 4 ohm
• Sensitivity: 87 dB

Rockford Fosgate Prime R14X2 with Sound Damping

120W Peak (60W RMS) 4” Prime Series 2-way 4-ohm Coaxial Car Speaker + NVX SDBSK2 Premium Sound Damping

R14X2_SDBSK2 big
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Rockford Fosgate Prime R14X2 with Sound Damping

120W Peak (60W RMS) 4” Prime Series 2-way 4-ohm Coaxial Car Speaker + NVX SDBSK2 Premium Sound Damping

• 60 watts Peak Each, 30 watts RMS Each
• 1/2" Silk Dome tweeters
• Vacuum polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 85 dB

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62
List price $83.73
$79.98

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• 60 watts Peak Each, 30 watts RMS Each
• 1/2" Silk Dome tweeters
• Vacuum polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 85 dB

Hertz K 130 (2-Pairs, 4-Total)

880W Peak (220W RMS) 5.25” Uno Series Component Speakers (2-Pairs)

K130_2 big
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Hertz K 130 (2-Pairs, 4-Total)

880W Peak (220W RMS) 5.25” Uno Series Component Speakers (2-Pairs)

• 110 Watts Max Each, 30 Watts RMS Each
• Water-repellent pressed paper cone material
• PEI Tweeter Dome
• 4 Ohm Impedance
• Sensitivity: 93 dB

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1
List price $300.00
-33% $199.98

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Only 3 Left!

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• 110 Watts Max Each, 30 Watts RMS Each
• Water-repellent pressed paper cone material
• PEI Tweeter Dome
• 4 Ohm Impedance
• Sensitivity: 93 dB

Hertz CX 100 (2-Pairs, 4-Total)

480W Peak (160W RMS) 4" Cento Series 2-Way Coaxial Car Speakers (2-Pairs)

CX100_2 big
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Hertz CX 100 (2-Pairs, 4-Total)

480W Peak (160W RMS) 4" Cento Series 2-Way Coaxial Car Speakers (2-Pairs)

• 120 watts Peak Each, 40 watts RMS Each
• 15/16 Tetolon Dome Tweeters
• Semi-Pressed Paper + Mica cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

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4
List price $520.00
$499.98

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Only 3 Left!

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• 120 watts Peak Each, 40 watts RMS Each
• 15/16 Tetolon Dome Tweeters
• Semi-Pressed Paper + Mica cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

Infinity Primus PR5012IS (PR5012ISAM) (2-Pairs, 4-Total)

480W Peak (160W RMS) 5.25" Primus Series 2-Way Coaxial Car Speakers (2-Pairs)

PR5012ISAM_2 big
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Infinity Primus PR5012IS (PR5012ISAM) (2-Pairs, 4-Total)

480W Peak (160W RMS) 5.25" Primus Series 2-Way Coaxial Car Speakers (2-Pairs)

• 120 watts Peak Each, 40 watts RMS Each
• Textile Edge-driven Dome Tweeters
• Polypropylene cone material
• Impedance: 2.7
• Sensitivity: 88 dB

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List price $239.90
-54% $109.90

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• 120 watts Peak Each, 40 watts RMS Each
• Textile Edge-driven Dome Tweeters
• Polypropylene cone material
• Impedance: 2.7
• Sensitivity: 88 dB

Limited time!

NVX VSP4 (2-Pairs, 4-Total)

900W Peak (300W RMS) 4" V-Series 2-Way Coaxial Car Speakers with Silk Dome Tweeters (2-Pairs)

VSP4_2 big
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NVX VSP4 (2-Pairs, 4-Total)

900W Peak (300W RMS) 4" V-Series 2-Way Coaxial Car Speakers with Silk Dome Tweeters (2-Pairs)

• 225 watts Peak Each, 75 watts RMS Each
• 1" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB
• Mounting Depth: 2.04"

Purchase $400 or More of NVX and Save 15%!
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17
List price $143.98
-21% $113.98

In stock

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• 225 watts Peak Each, 75 watts RMS Each
• 1" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB
• Mounting Depth: 2.04"

Hertz CX 130 with Speaker Installation Kit

5.25" Cento Series 2-Way Coaxial Car Speakers

CX 130, SDSK2, XBAF525, SDRLR1 big
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Hertz CX 130 with Speaker Installation Kit

5.25" Cento Series 2-Way Coaxial Car Speakers

• 75 Watts Max Each, 25 Watts RMS Each
• Semi-pressed paper + Mica cone material
• Tetolon Tweeter dome
• 4 Ohm Impedance
• Sensitivity: 92.5 dB
• Mounting Depth: 2"

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149
List price $332.71
-13% $290.02 /pair

In stock

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• 75 Watts Max Each, 25 Watts RMS Each
• Semi-pressed paper + Mica cone material
• Tetolon Tweeter dome
• 4 Ohm Impedance
• Sensitivity: 92.5 dB
• Mounting Depth: 2"

MB Quart PK1-113 (2-Pairs, 4-Total)

440W Peak (220W RMS) 5.25" Premium Series 2-Way Coaxial Speaker (2-Pairs)

PK1113_2 big
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MB Quart PK1-113 (2-Pairs, 4-Total)

440W Peak (220W RMS) 5.25" Premium Series 2-Way Coaxial Speaker (2-Pairs)

• 110 watts Peak Each, 55 watts RMS Each
• 1" Magnesium Dome Tweeters
• Mica Injected Polypropylene - MIPP cone material
• Impedance: 4 ohm
• Sensitivity: 85.9 dB

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List price $339.98
-28% $243.74

In stock

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• 110 watts Peak Each, 55 watts RMS Each
• 1" Magnesium Dome Tweeters
• Mica Injected Polypropylene - MIPP cone material
• Impedance: 4 ohm
• Sensitivity: 85.9 dB

Limited time!

NVX NSP4 (2-Pairs, 4-Total)

600W Peak (200W RMS) 4" N-Series 2-Way Coaxial Car Speakers with 20mm Silk Dome Tweeters (2-Pairs)

NSP4_2 big
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NVX NSP4 (2-Pairs, 4-Total)

600W Peak (200W RMS) 4" N-Series 2-Way Coaxial Car Speakers with 20mm Silk Dome Tweeters (2-Pairs)

• 150 watts Peak Each, 50 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB
• Mounting Depth: 1.88"

Purchase $400 or More of NVX and Save 15%!
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25
List price $119.98
-29% $85.48

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• 150 watts Peak Each, 50 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB
• Mounting Depth: 1.88"

Pioneer TS-G1320S (2-Pairs, 4-Total)

1000W Max (140W RMS) 5.25" G-Series 2-Way Coaxial Car Speakers (2-Pairs)

TSG1320S_2 big
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Pioneer TS-G1320S (2-Pairs, 4-Total)

1000W Max (140W RMS) 5.25" G-Series 2-Way Coaxial Car Speakers (2-Pairs)

• 250W Max Each, 70W RMS Each
• 1-3/16 Balanced Dome Tweeter
• Injection Molded Polypropylene with Mica Cone
• 4 ohm Impedance
• Sensitivity: 88dB
• Mounting Depth: 1-3/4"

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7
List price $130.00
-31% $89.98

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• 250W Max Each, 70W RMS Each
• 1-3/16 Balanced Dome Tweeter
• Injection Molded Polypropylene with Mica Cone
• 4 ohm Impedance
• Sensitivity: 88dB
• Mounting Depth: 1-3/4"

Limited time!

(2-Pairs) NVX NSP525 + NVX Speaker Baffles

(4-Total) 5-1/4" 2-Way N-Series Coaxial Car Speakers with 20mm Silk Dome Tweeters

NSP525, NSP525 big
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(2-Pairs) NVX NSP525 + NVX Speaker Baffles

(4-Total) 5-1/4" 2-Way N-Series Coaxial Car Speakers with 20mm Silk Dome Tweeters

• Peak Power: 240W Each
• RMS Power: 80W Each
• 2-Way Coaxial
• 4 ohm Impedance
• Polypropylene Cone Material
• Nitrile Butadiene Rubber Surround
• 20mm Silk Dome Tweeter

Purchase $400 or More of NVX and Save 15%!
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36
List price $171.96
-34% $112.66

In stock

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• Peak Power: 240W Each
• RMS Power: 80W Each
• 2-Way Coaxial
• 4 ohm Impedance
• Polypropylene Cone Material
• Nitrile Butadiene Rubber Surround
• 20mm Silk Dome Tweeter

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Infinity REF407F (2-Pairs, 4-Total)

420W Peak (140W RMS) 4" Reference Series 2-way 3-ohm Coaxial Speakers (2-Pairs)

REF407F_2 big
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Infinity REF407F (2-Pairs, 4-Total)

420W Peak (140W RMS) 4" Reference Series 2-way 3-ohm Coaxial Speakers (2-Pairs)

• 105 watts Peak Each, 35 watts RMS Each
• 1/2" Textile Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 92 dB

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Fits your Fox
List price $279.90
-37% $175.90

In stock

Only 3 Left!

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• 105 watts Peak Each, 35 watts RMS Each
• 1/2" Textile Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 92 dB

JVC CS-DR521 (2-Pairs, 4-Total)

1040W Peak (160W RMS) 5.25'' DRVN Series 2-Way Coaxial Car Speakers (2-Pairs)

CSDR521_2 big
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JVC CS-DR521 (2-Pairs, 4-Total)

1040W Peak (160W RMS) 5.25'' DRVN Series 2-Way Coaxial Car Speakers (2-Pairs)

• 260 watts Peak Each, 80 watts RMS Each
• 1" Polymide Balanced Dome Tweeters
• Carbon Mica cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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List price $238.00
-17% $198.00

In stock

Only 1 Left!

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• 260 watts Peak Each, 80 watts RMS Each
• 1" Polymide Balanced Dome Tweeters
• Carbon Mica cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

Hertz CX 100 with Speaker Installation Kit

4" Cento Series 2-Way Coaxial Car Speakers + NVX Speaker Baffles, Sound Dampening, Roller, and Panel Removal Kit

CX 100, FRING4, SDSK2, SDRLR1, BTK106 big
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Hertz CX 100 with Speaker Installation Kit

4" Cento Series 2-Way Coaxial Car Speakers + NVX Speaker Baffles, Sound Dampening, Roller, and Panel Removal Kit

• 60 Watts Max Each, 20 Watts RMS Each
• Semi-pressed paper + Mica cone material
• Tetolon Tweeter dome
• 4 Ohm Impedance
• Sensitivity: 92 dB
• Mounting Depth: 1-3/4"

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Install kits available for most vehicles

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Fits the following location in your Fox
  • Front Door
148
List price $331.71
-14% $286.52 /pair

In stock

Add to Cart

• 60 Watts Max Each, 20 Watts RMS Each
• Semi-pressed paper + Mica cone material
• Tetolon Tweeter dome
• 4 Ohm Impedance
• Sensitivity: 92 dB
• Mounting Depth: 1-3/4"

Cerwin Vega XED52 (2-Pairs, 4-Total)

1100W Peak (120W RMS) 5.25" XED Series 2-Way Coaxial Car Speakers (2-Pairs)

XED52_2 big
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Cerwin Vega XED52 (2-Pairs, 4-Total)

1100W Peak (120W RMS) 5.25" XED Series 2-Way Coaxial Car Speakers (2-Pairs)

• 275 watts Peak Each, 30 watts RMS Each
• 1" Metallic Balanced Dome Tweeters
• Curvilinear polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 94 dB

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7
List price $107.98
-17% $89.98

In stock

Only 2 Left!

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• 275 watts Peak Each, 30 watts RMS Each
• 1" Metallic Balanced Dome Tweeters
• Curvilinear polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 94 dB

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    FAQ for Speakers in 1977 Fox

    Q: Can I upgrade or change the Speakers in 1977 Audi Fox?

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

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    Shop your 1977 Fox
    Why Use a Vehicle Fit Guide?
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    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.

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