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1990 Porsche 911

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Overview Upgrade your Stereo 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 1990 Porsche 911

Find speakers to upgrade your sound and fit in the factory speaker location for your 911.  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 Door Panel Speakers

Rear Door Panel Speakers

Speakers for your rear door panels

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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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Pioneer TS-G4620S with Sound Damping

400W Max (60W RMS) 4x6" G-Series 2-way 4-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

TSG4620S_SDBSK2 big
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Pioneer TS-G4620S with Sound Damping

400W Max (60W RMS) 4x6" G-Series 2-way 4-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

• 200 watts Peak Each, 30 watts RMS Each
• 1-3/16" Polyethylene Terephthalate (PET) Balanced Dome tweeters
• Injection-molded Polypropylene with MICA cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your 911
53
List price $83.74
-36% $53.18

In stock

Add to Cart

• 200 watts Peak Each, 30 watts RMS Each
• 1-3/16" Polyethylene Terephthalate (PET) Balanced Dome tweeters
• Injection-molded Polypropylene with MICA cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

Hifonics ZS525CX with Sound Damping

400W Peak (60W RMS) 5.25” Zeus Series Coaxial 2-way Car Speakers + NVX SDSK2 Sound Damping

ZS525CX_SDSK2 big
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Hifonics ZS525CX with Sound Damping

400W Peak (60W RMS) 5.25” Zeus Series Coaxial 2-way Car Speakers + NVX SDSK2 Sound Damping

• 200 Watts Max Each, 30 Watts RMS Each
• 1" Mylar Balanced Dome Tweeter
• Alpha-Cellulose Cones
• 4 Ohm Impedance
• Sensitivity: 88dB
• Mounting Depth: 2"

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your 911
54
List price $47.73
-27% $34.98

In stock

Add to Cart

• 200 Watts Max Each, 30 Watts RMS Each
• 1" Mylar Balanced Dome Tweeter
• Alpha-Cellulose Cones
• 4 Ohm Impedance
• Sensitivity: 88dB
• Mounting Depth: 2"

Hifonics ZS46CX with Sound Damping

400W Peak (80W RMS) Zeus Series 4x6" Zeus Series 2-Way Coaxial Car Speakers + NVX SDSK2 Sound Damping

ZS46CX_SDSK2 big
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Hifonics ZS46CX with Sound Damping

400W Peak (80W RMS) Zeus Series 4x6" Zeus Series 2-Way Coaxial Car Speakers + NVX SDSK2 Sound Damping

• 200 Watts Max Each, 40 Watts RMS Each
• 1" Neo-Mylar Soft Dome Tweeter
• Alpha-Cellulose mid-woofer cone material
• 4 Ohm Impedance
• Sensitivity: 88dB
• CEA-426B compliant speakers

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your 911
70
List price $43.73
-18% $35.99

In stock

Add to Cart

• 200 Watts Max Each, 40 Watts RMS Each
• 1" Neo-Mylar Soft Dome Tweeter
• Alpha-Cellulose mid-woofer cone material
• 4 Ohm Impedance
• Sensitivity: 88dB
• CEA-426B compliant speakers

Diamond Audio DMD52 (2-Pairs, 4-Total)

320W Peak (160W RMS) 5.25" DMD Series 2-way Coaxial Car Speakers (2-Pairs)

DMD52_2 big
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Diamond Audio DMD52 (2-Pairs, 4-Total)

320W Peak (160W RMS) 5.25" DMD Series 2-way Coaxial Car Speakers (2-Pairs)

• 80 watts Peak Each, 40 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86 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 911
List price $239.98
-8% $219.98

In stock

Only 2 Left!

Add to Cart

• 80 watts Peak Each, 40 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB

Hertz DCX130.3 (2-Pairs, 4-Total)

160W Peak (80W RMS) 5.25" Dieci Series 2-Way Coaxial Car Speakers (2-Pairs)

DCX1303_2 big
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Hertz DCX130.3 (2-Pairs, 4-Total)

160W Peak (80W RMS) 5.25" Dieci Series 2-Way Coaxial Car Speakers (2-Pairs)

• 40Watts Max Each, 20 Watts RMS Each
• Water-repellent pressed paper cone material<
• PEI dome tweeter
• 4 Ohm Impedance
• Sensitivity: 93 dB
• Mounting Depth: 2-3/16"

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 911
List price $300.00
-13% $259.98

In stock

Only 1 Left!

Add to Cart

• 40Watts Max Each, 20 Watts RMS Each
• Water-repellent pressed paper cone material<
• PEI dome tweeter
• 4 Ohm Impedance
• Sensitivity: 93 dB
• Mounting Depth: 2-3/16"

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

600W Peak (200W RMS) 5.25" Cento Series 2-Way Coaxial Car Speakers (2-Pairs)

CX130_2 big
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Hertz CX 130 (2-Pairs, 4-Total)

600W Peak (200W RMS) 5.25" Cento Series 2-Way Coaxial Car Speakers (2-Pairs)

• 150 watts Peak Each, 50 watts RMS Each
• 15/16 Tetolon Dome Tweeters
• cone material
• Impedance: 4 ohm
• Sensitivity: 92.5 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 911
List price $520.00
$499.98

In stock

Only 2 Left!

Add to Cart

• 150 watts Peak Each, 50 watts RMS Each
• 15/16 Tetolon Dome Tweeters
• cone material
• Impedance: 4 ohm
• Sensitivity: 92.5 dB

Hifonics ZS525CX (2-Pairs, 4-Total)

800W Peak (120W RMS) 5.25” Zeus Series Coaxial 2-way Car Speakers (2-Pairs)

ZS525CX_2 big
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Hifonics ZS525CX (2-Pairs, 4-Total)

800W Peak (120W RMS) 5.25” Zeus Series Coaxial 2-way Car Speakers (2-Pairs)

• 200 Watts Max Each, 30 Watts RMS Each
• 1" Mylar Balanced Dome Tweeter
• Alpha-Cellulose Cones
• 4 Ohm Impedance
• Sensitivity: 88dB
• Mounting Depth: 2"

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your 911
7
List price $57.98
-31% $39.98

In stock

Add to Cart

• 200 Watts Max Each, 30 Watts RMS Each
• 1" Mylar Balanced Dome Tweeter
• Alpha-Cellulose Cones
• 4 Ohm Impedance
• Sensitivity: 88dB
• Mounting Depth: 2"

Hifonics ZS46CX (2-Pairs, 4-Total)

800W Peak (160W RMS) Zeus Series 4x6" Zeus Series 2-Way Coaxial Car Speakers (2-Pairs)

ZS46CX_2 big
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Hifonics ZS46CX (2-Pairs, 4-Total)

800W Peak (160W RMS) Zeus Series 4x6" Zeus Series 2-Way Coaxial Car Speakers (2-Pairs)

• 200 Watts Max Each, 40 Watts RMS Each
• 1" Neo-Mylar Soft Dome Tweeter
• Alpha-Cellulose mid-woofer cone material
• 4 Ohm Impedance
• Sensitivity: 88dB
• CEA-426B compliant speakers

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your 911
23
List price $49.98
-16% $42.00

In stock

Add to Cart

• 200 Watts Max Each, 40 Watts RMS Each
• 1" Neo-Mylar Soft Dome Tweeter
• Alpha-Cellulose mid-woofer cone material
• 4 Ohm Impedance
• Sensitivity: 88dB
• CEA-426B compliant speakers

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

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your 911
List price $239.90
-54% $109.90

In stock

Add to Cart

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

JBL CLUB 644F (2-Pairs, 4-Total)

480W Peak (160W RMS) 4x6" Club Series 3-ohms 2-way Coaxial Car Speakers (2-Pairs)

CLUB644F_2 big
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JBL CLUB 644F (2-Pairs, 4-Total)

480W Peak (160W RMS) 4x6" Club Series 3-ohms 2-way Coaxial Car Speakers (2-Pairs)

• 120 watts Peak Each, 40 watts RMS Each
• Silk Dome Tweeters
• Injection Molded Polypropylene with UV Protection 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 911
List price $259.90
-23% $199.90

In stock

Add to Cart

• 120 watts Peak Each, 40 watts RMS Each
• Silk Dome Tweeters
• Injection Molded Polypropylene with UV Protection cone material
• Impedance: 3 ohm
• Sensitivity: 92 dB

MTX TERMINATOR5 (2-Pairs, 4-Total)

280W Peak (140W RMS) 5.25" Terminator Series 2-Way Coaxial Car Speakers (2-Pairs)

TERMINATOR5_2 big
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MTX TERMINATOR5 (2-Pairs, 4-Total)

280W Peak (140W RMS) 5.25" Terminator Series 2-Way Coaxial Car Speakers (2-Pairs)

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

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your 911
List price $139.90
-14% $119.90

In stock

Only 2 Left!

Add to Cart

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

DS18 EXL-SQ5.25 (2-Pairs, 4-Total)

1360W Peak (320W RMS) 5.25" EXL-SQ Series 2-Way Coaxial Car Speakers (2-Pairs)

EXLSQ525_2 big
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DS18 EXL-SQ5.25 (2-Pairs, 4-Total)

1360W Peak (320W RMS) 5.25" EXL-SQ Series 2-Way Coaxial Car Speakers (2-Pairs)

• 340 watts Peak Each, 80 watts RMS Each
• 1" PEI (Polyetherimide) Dome Tweeters
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 86 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your 911
$287.90

In stock

Only 1 Left!

Add to Cart

• 340 watts Peak Each, 80 watts RMS Each
• 1" PEI (Polyetherimide) Dome Tweeters
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 86 dB

JBL STAGE2 524 (STAGE2524) with Sound Damping

420W Peak (70W RMS) 5.25" Stage2 Series 2-way 4-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

STAGE2524_SDBSK2 big
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JBL STAGE2 524 (STAGE2524) with Sound Damping

420W Peak (70W RMS) 5.25" Stage2 Series 2-way 4-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

• 210 watts Peak Each, 35 watts RMS Each
• PEI (Polyetherimide) Balanced Dome tweeters
• Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 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 911
50
List price $108.73
-40% $64.94

Available

Ships in 10-14 days

Add to Cart

• 210 watts Peak Each, 35 watts RMS Each
• PEI (Polyetherimide) Balanced Dome tweeters
• Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

Lowest price in 30 days

Infinity Kappa 463XF with Installation Accessories

120W RMS 4"x6" 2-way Coaxial Speakers with Speaker Baffles, Sound Damping, Roller, and Panel Removal Kit

Kappa 463XF, FRING46, SDSK2, SDRLR1, BTK106 big
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Infinity Kappa 463XF with Installation Accessories

120W RMS 4"x6" 2-way Coaxial Speakers with Speaker Baffles, Sound Damping, Roller, and Panel Removal Kit

• 180 watts Peak Each, 60 watts RMS Each
• 1" Silk Edge-driven Dome Tweeters
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

Save 15% Off Package Deals at Checkout!
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Install kits available for most vehicles

found car based on your search
Fits the following location in your 911
  • Rear Door
115
List price $343.66
-30% $241.51 /pair

Available

Ships in 10-14 days

Add to Cart

• 180 watts Peak Each, 60 watts RMS Each
• 1" Silk Edge-driven Dome Tweeters
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

Rockford Fosgate Punch P1462 (Open Box, Great)

140W Peak (70W RMS) 4x6” Punch Series 2-way 4-ohm Coaxial Car Speakers

P1462 big
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Rockford Fosgate Punch P1462 (Open Box, Great)

140W Peak (70W RMS) 4x6” Punch Series 2-way 4-ohm Coaxial Car Speakers

• 70 watts Peak Each, 35 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome tweeters
• Injection-molded Mineral-filled Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

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Install kits available for most vehicles

found car based on your search
Fits the following location in your 911
  • Rear Door
37
List price $109.99
-15% $93.49 /pair

In stock

Add to Cart

Earthquake Sound VTEK-MC5 with Installation Accessories

100W RMS 5.25" 2-Way Component Speaker System with Speaker Baffles, Sound Damping, Roller, and Panel Removal Kit

VTEK-MC5, XBAF525, SDSK2, SDRLR1, BTK106 big
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Earthquake Sound VTEK-MC5 with Installation Accessories

100W RMS 5.25" 2-Way Component Speaker System with Speaker Baffles, Sound Damping, Roller, and Panel Removal Kit

• 500 watts Peak Each, 50 watts RMS Each
• 1" Silk Dome Tweeters
• Electroplated carbon fiber cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
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Install kits available for most vehicles

found car based on your search
Fits the following location in your 911
  • Front Door
148
List price $321.71
-16% $270.02 /set

In stock.

Add to Cart

• 500 watts Peak Each, 50 watts RMS Each
• 1" Silk Dome Tweeters
• Electroplated carbon fiber cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB

DS18 PRO-X5.4M (Pair)

600W Peak (300W RMS) 5.25” PRO-X Series Midrange Loudspeakers (Pair)

PROX54M_2 big
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DS18 PRO-X5.4M (Pair)

600W Peak (300W RMS) 5.25” PRO-X Series Midrange Loudspeakers (Pair)

• 300 watts Peak Each, 150 watts RMS Each
• Red Steel Basket
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your 911
1
List price $89.90
$87.20

In stock.

Add to Cart

• 300 watts Peak Each, 150 watts RMS Each
• Red Steel Basket
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

DS18 PRO-X5M (Pair)

600W Peak (300W RMS) 5.25” PRO-X Series Midrange Loudspeakers (Pair)

PROX5M_2 big
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DS18 PRO-X5M (Pair)

600W Peak (300W RMS) 5.25” PRO-X Series Midrange Loudspeakers (Pair)

• 300 watts Peak Each, 150 watts RMS Each
• Red Steel Basket
• Paper cone material
• Impedance: 8 ohm
• Sensitivity: 90 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your 911
List price $89.90
$87.20

In stock.

Add to Cart

• 300 watts Peak Each, 150 watts RMS Each
• Red Steel Basket
• Paper cone material
• Impedance: 8 ohm
• Sensitivity: 90 dB

Crunch CS46CX (2-Pairs, 4-Total)

1000W Max (500W RMS) 4x6" CS Series 2-Way Coaxial Car Speakers (2-Pairs)

CS46CX_2 big
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Crunch CS46CX (2-Pairs, 4-Total)

1000W Max (500W RMS) 4x6" CS Series 2-Way Coaxial Car Speakers (2-Pairs)

• 250W Max each / 125W RMS each
• Neo Mylar Soft Dome Tweeter
• Impedance: 4 ohm
• 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 911
11
List price $51.98
-8% $47.98

Available

Ships in 10-14 days

Add to Cart

• 250W Max each / 125W RMS each
• Neo Mylar Soft Dome Tweeter
• Impedance: 4 ohm
• Cellulose Cone and Rubber Surround

Kenwood eXcelon KFC-X463C with Sound Damping

200W Peak (60W RMS) 4x6" 2-way 3-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

KFCX463C_SDBSK2 big
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Kenwood eXcelon KFC-X463C with Sound Damping

200W Peak (60W RMS) 4x6" 2-way 3-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

• 100 watts Peak Each, 30 watts RMS Each
• 1" PEI (Polyetherimide) Balanced Dome tweeters
• Carbon-Polypropylene Hybrid cone material with diamond array pattern
• Impedance: 3 ohm
• Sensitivity: 86 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your 911
51
List price $138.74
-6% $130.48

Available

Ships in 10-14 days

Add to Cart

• 100 watts Peak Each, 30 watts RMS Each
• 1" PEI (Polyetherimide) Balanced Dome tweeters
• Carbon-Polypropylene Hybrid cone material with diamond array pattern
• Impedance: 3 ohm
• Sensitivity: 86 dB

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    Q: Can I upgrade or change the Speakers in 1990 Porsche 911?

    A: Yes this page includes all the best Speakers that work in your 911.

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    • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
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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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