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1979 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 1979 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.

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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

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.
Reference Series (48)
PRO-X Series (39)
Power Series (33)
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CS Series (25)
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V Series (21)
A Series (20)
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Prime Series (13)
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PNW Series (12)
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Arena Series (3)
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DR Series (3)
EPIC PRO Series (3)
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GT7 Series (3)
MA Series (3)
MAS Series (3)
MM Series (3)
MSPRO Series (3)
NEO Series (3)
Prime Series (3)
Pro Audio on Wheels Series (3)
PRO-NS Series (3)
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Punch P1 Series (3)
Q Series (3)
SA Series (3)
Shock Wave Series (3)
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Alpine EL-E65C-G

320W Peak (80W RMS) 6.5" EL Series 2-Way Component 4-ohm Car Speakers

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Alpine EL-E65C-G

320W Peak (80W RMS) 6.5" EL Series 2-Way Component 4-ohm Car Speakers

• 160 watts Peak Each, 40 watts RMS Each
• 3/4" Teteron Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

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Hifonics HCC46CX

150W Peak (80W RMS) 4x6" Colossus Classic Series 2 Way Coaxial 4-ohm Speakers

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Hifonics HCC46CX

150W Peak (80W RMS) 4x6" Colossus Classic Series 2 Way Coaxial 4-ohm Speakers

• 75 watts Peak Each, 40 watts RMS Each
• 1" Aluminum Dome Tweeters
• Woven Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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Install kits available for most vehicles

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$39.99 /pair

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Hertz CPX 165

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

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Hertz CPX 165

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

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Cerwin-Vega H525C

600W Peak (200W RMS) 5.25" HED Series 4-ohm 2-Way Component Speaker System

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Cerwin-Vega H525C

600W Peak (200W RMS) 5.25" HED Series 4-ohm 2-Way Component Speaker System

• 300 watts Peak Each, 100 watts RMS Each
• 1" PEI (Polyetherimide) Balanced Dome tweeters
• Responsive Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB

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List price $227.99
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JBL STAGE3 GEN2 68C (STAGE368C)

1520W Peak (190W RMS) 6.5" Stage3 Gen2 Series 2-Way Component Speaker System with Grilles

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JBL STAGE3 GEN2 68C (STAGE368C)

1520W Peak (190W RMS) 6.5" Stage3 Gen2 Series 2-Way Component Speaker System with Grilles

• 760 watts Peak Each, 95 watts RMS Each
• 3/4" Silk Edge Driven Dome Tweeters
• Plus One Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB

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List price $149.95
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DS18 PRO-X6.4BMSL (Sold Individually)

400W Peak (200W RMS) 6.5” PRO-X Series Pro Audio Mid-Range 4-ohm Bullet Loudspeaker

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DS18 PRO-X6.4BMSL (Sold Individually)

400W Peak (200W RMS) 6.5” PRO-X Series Pro Audio Mid-Range 4-ohm Bullet Loudspeaker

• 400 watts Peak Each, 200 watts RMS Each
• Red Aluminum Bullet tweeters
• Non-Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 94 dB

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DS18 PRO-ZXI64BM (Sold Individually)

600W Peak (300W RMS) 6.5" ZXi Series Pro Audio Midrange Bullet 4-Ohm Loudspeaker

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DS18 PRO-ZXI64BM (Sold Individually)

600W Peak (300W RMS) 6.5" ZXi Series Pro Audio Midrange Bullet 4-Ohm Loudspeaker

• 600 watts Peak, 300 watts RMS
• 1" Aluminum Bullet Tweeter
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 97 dB

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$80.95

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MB Quart PK1-116

220W Peak (110W RMS) 6.5" Premium Series 2-Way 4-ohm Coaxial Car Speakers

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MB Quart PK1-116

220W Peak (110W RMS) 6.5" Premium Series 2-Way 4-ohm Coaxial Car Speakers

• 110 watts Peak Each, 55 watts RMS Each
• 1" Magnesium Dome tweeters
• Tunable waveguide tweeter housing
• Pop Paper-Mica Blend cone material
• Curvilinear cone design geometry
• Impedance: 4 ohm
• Sensitivity: 88.5 dB

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List price $189.99
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Infinity REF507F (INFSPKRF507FUS)

270W Peak (90W RMS) 5.25" Reference Series 2-Way Coaxial 3-ohm Speakers

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Infinity REF507F (INFSPKRF507FUS)

270W Peak (90W RMS) 5.25" Reference Series 2-Way Coaxial 3-ohm Speakers

• 135 watts Peak Each, 45 watts RMS Each
• Textile Edge Driven Dome tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 92 dB

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List price $139.95
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Hertz ML 1650.3

500W Peak (250W RMS) 6.5" Mille Legend Series 4-ohm Midrange Car Woofers

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Hertz ML 1650.3

500W Peak (250W RMS) 6.5" Mille Legend Series 4-ohm Midrange Car Woofers

• 250 watts Peak Each, 125 watts RMS Each
• Pressed Pulp Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

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List price $1060.00
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Deaf Bonce Machete MLH-50

200W Peak (100W RMS) 5.2" Machete Series 4-ohm Full Range Car Speakers

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Deaf Bonce Machete MLH-50

200W Peak (100W RMS) 5.2" Machete Series 4-ohm Full Range Car Speakers

• 100 watts Peak Each, 50 watts RMS Each
• Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 90.4 dB

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$29.90 /pair

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Deaf Bonce Machete MLH-60

200W Peak (100W RMS) 6.5" Machete Series 4-ohm Full Range Car Speakers

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Deaf Bonce Machete MLH-60

200W Peak (100W RMS) 6.5" Machete Series 4-ohm Full Range Car Speakers

• 100 watts Peak Each, 50 watts RMS Each
• Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 91.5 dB

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$34.90 /pair

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PRV Audio 6MR400-4 BULLET

800W Peak (400W RMS) 6.5" Pro Audio on Wheels Series Pro Audio Midrange Bullet Speaker

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PRV Audio 6MR400-4 BULLET

800W Peak (400W RMS) 6.5" Pro Audio on Wheels Series Pro Audio Midrange Bullet Speaker

• 800 watts Peak Each, 400 watts RMS Each
• Non-Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 95 dB

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List price $57.39
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MB Quart PS1-216

240W Peak (120W RMS) 6.5" Premium Series 2-Way 4-ohm Component Speaker System

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MB Quart PS1-216

240W Peak (120W RMS) 6.5" Premium Series 2-Way 4-ohm Component Speaker System

• 120 watts Peak Each, 60 watts RMS Each
• 1" Magnesium Dome tweeters
• Tunable waveguide tweeter housing
• Pop Paper-Mica Blend cone material
• Curvilinear cone design geometry
• Impedance: 4 ohm
• Sensitivity: 88.9 dB

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List price $239.99
-29% $170.62 /set

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Deaf Bonce Machete MM-60 NEO V2

400W Peak (200W RMS) 6.5" Machete Series Midrange 4-ohm Car Speakers

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Deaf Bonce Machete MM-60 NEO V2

400W Peak (200W RMS) 6.5" Machete Series Midrange 4-ohm Car Speakers

• 200 watts Peak Each, 100 watts RMS Each
• Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 95 dB

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$84.90 /pair

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DS18 6PRO300MB-4 (Sold Individually)

300W Peak (150W RMS) 6.5" 6PRO Series Pro-Audio Mid-bass 4-ohm Speaker

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DS18 6PRO300MB-4 (Sold Individually)

300W Peak (150W RMS) 6.5" 6PRO Series Pro-Audio Mid-bass 4-ohm Speaker

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

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$59.95

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MTX RTX6 (Sold Individually)

125W RMS 6.5" Road Thunder Extreme Series Pro Audio Mid-bass 4-ohm Speaker

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MTX RTX6 (Sold Individually)

125W RMS 6.5" Road Thunder Extreme Series Pro Audio Mid-bass 4-ohm Speaker

• 125 watts RMS Each
• Treated Paper cone material
• Impedance: 4 ohm
• Sensitivity: 97.2 dB

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List price $69.95
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Cerwin-Vega V525

600W Peak (200W RMS) 5.25" Vega Series 2025 Edition 2-Way Coaxial 4-ohm Speakers

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Cerwin-Vega V525

600W Peak (200W RMS) 5.25" Vega Series 2025 Edition 2-Way Coaxial 4-ohm Speakers

• 300 watts Peak Each, 100 watts RMS Each
• 3/4" Silk Balanced Dome Tweeters
• Carbon Fiber Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB

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$149.99 /pair

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PRV Audio RS65-PRO

400W Peak (200W RMS) 6.5" RS Series Pro Audio Full Range 4-ohm Car Speakers

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PRV Audio RS65-PRO

400W Peak (200W RMS) 6.5" RS Series Pro Audio Full Range 4-ohm Car Speakers

• 200 watts Peak Each, 100 watts RMS Each
• High-quality ultra lightweight cone
• Impedance: 4 ohm
• Sensitivity: 94 dB

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Free or discounted install kits when available.

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List price $87.39
-20% $69.91 /pair

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PRV Audio 6MB100-4

400W Peak (200W RMS) 6.5" Pro Audio on Wheels Series Midbass 4-ohm Car Speakers

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PRV Audio 6MB100-4

400W Peak (200W RMS) 6.5" Pro Audio on Wheels Series Midbass 4-ohm Car Speakers

• 200 watts Peak Each, 100 watts RMS Each
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

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List price $49.89
-20% $39.91 /pair

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    FAQ for Speakers in 1979 911

    Q: Can I upgrade or change the Speakers in 1979 Porsche 911?

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

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    1979 Porsche 911

    2004 BMW 760i

    2009 Lexus GS460

    2009 GMC Sierra Denali

    1980 MG Midget

    1977 Ford Courier

    1983 Volkswagen Jetta

    2012 BMW 750Li

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    2014 Harley Davidson FXDC Super Glide Custom

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    2025 Can-Am Defender DPS HD9

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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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