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Diamond Audio DES525

200W Peak (100W RMS) 5.25" Elite Series 2-way 4-ohm Coaxial Car Speakers

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200W Peak (100W RMS) 5.25" Elite Series 2-way 4-ohm Coaxial Car Speakers

• 100 watts Peak Each, 50 watts RMS Each
• 0.98" Aluminum Dome tweeters
• Composite Carbon Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 85 dB

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found car based on your search
Fits the following location in your S8
  • Front Door
$199.99 /pair

In stock

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Diamond Audio DES365C

280W Peak (140W RMS) 6.5" Diamond Elite Series 3-Way 4-ohm Component Speaker System

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280W Peak (140W RMS) 6.5" Diamond Elite Series 3-Way 4-ohm Component Speaker System

• 140 watts Peak Each, 70 watts RMS Each
• 1" Aluminum Dome Tweeters
• Composite foam core carbon fiber cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

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found car based on your search
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  • Rear Door
$549.99 /set

In stock.

NVX - Worth the Envy - Direct to Consumer Car Audio
Lowest price in 30 days

JL Audio C2-525 (Open Box, Great)

200W Peak (120W RMS) 5.25” Evolution C2 Series 2-way 4-ohm Component Speaker System

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200W Peak (120W RMS) 5.25” Evolution C2 Series 2-way 4-ohm Component Speaker System

• 100 watts Peak Each, 60 watts RMS Each
• 3/4" Silk Dome tweeters with ferrofluid cooling and damping
• Mica Injected Polypropylene - MIPP cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

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found car based on your search
Fits the following location in your S8
  • Front Door
9
List price $329.99
-34% $216.74 /set

In stock

DS18 PRO-ZXI10MBASS (Sold Individually)

1000W Peak (500W RMS) 10" ZXi Series 8-Ohm Midbass Car Loudspeaker

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1000W Peak (500W RMS) 10" ZXi Series 8-Ohm Midbass Car Loudspeaker

• 1000 watts Peak Each, 500 watts RMS Each
• Paper cone material
• Impedance: 8 ohm
• Sensitivity: 98 dB

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$149.95

In stock.

• 1000 watts Peak Each, 500 watts RMS Each
• Paper cone material
• Impedance: 8 ohm
• Sensitivity: 98 dB

DS18 PRO-GM6.4B (Sold Individually)

480W Peak (140W RMS) 6.5" PRO-GM Series 4-ohm Midrange Bullet Loudspeaker

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480W Peak (140W RMS) 6.5" PRO-GM Series 4-ohm Midrange Bullet Loudspeaker

• 480 watts Peak, 140 watts RMS
• Red Aluminum Bullet tweeters
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 95 dB

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found car based on your search
Fits the following location in your S8
  • Rear Door
12
List price $34.95
-14% $29.99

In stock.

Cerwin-Vega V465C

800W Peak (200W RMS) 6.5" Vega Series 2-Way 4-ohm Component Speaker System

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800W Peak (200W RMS) 6.5" Vega Series 2-Way 4-ohm Component Speaker System

• 400 watts Peak Each, 100 watts RMS Each
• 1" Titanium Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 94 dB

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found car based on your search
Fits the following location in your S8
  • Rear Door
11
List price $215.99
-17% $179.99 /set

In stock

Limited time!

Infinity Primus 603CF (PR603CF)

360W Peak (120W RMS) 6.5" Primus Series 2 Way 3-ohm Component Speaker System

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360W Peak (120W RMS) 6.5" Primus Series 2 Way 3-ohm Component Speaker System

• 180 watts Peak Each, 60 watts RMS Each
• 3/4" Silk Edge Driven Dome tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 92 dB

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found car based on your search
Fits the following location in your S8
  • Rear Door
1
List price $159.95
-19% $129.95 /set

In stock

Only 2 Left!

AudioControl EPICPRO6X

600W Peak (400W RMS) 6.5" Epic Pro Series Pro Audio Midrange 4-ohm Speakers

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600W Peak (400W RMS) 6.5" Epic Pro Series Pro Audio Midrange 4-ohm Speakers

• 300 watts Peak Each, 200 watts RMS Each
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 94.8 dB

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found car based on your search
Fits the following location in your S8
  • Rear Door
1
$109.00 /pair

In stock

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Infinity Primus 603F (INFSPKPR603C)

300W Peak (100W RMS) 6.5” Primus Series 2 Way Coaxial 3-ohm Speakers

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300W Peak (100W RMS) 6.5” Primus Series 2 Way Coaxial 3-ohm Speakers

• 150 watts Peak Each, 50 watts RMS Each
• 1/2" Silk Edge Driven Dome tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 92 dB

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found car based on your search
Fits the following location in your S8
  • Rear Door
7
List price $109.95
-27% $79.95

In stock

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JBL Club 64C (JBLSPKCB64C)

420W Peak (140W RMS) 6.5" Club Series 2 Way 3-ohm Component Speaker System

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420W Peak (140W RMS) 6.5" Club Series 2 Way 3-ohm Component Speaker System

• 210 watts Peak Each, 70 watts RMS Each
• Silk Edge Driven Dome tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 92 dB

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found car based on your search
Fits the following location in your S8
  • Rear Door
List price $229.95
-13% $199.95 /set

In stock

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Cerwin-Vega V65C

840W Peak (280W RMS) 6.5" Vega Series 2025 Edition 2-Way Component 4-ohm Speaker System

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840W Peak (280W RMS) 6.5" Vega Series 2025 Edition 2-Way Component 4-ohm Speaker System

• 420 watts Peak Each, 140 watts RMS Each
• 1" Silk Balanced Dome Tweeters
• Carbon Fiber Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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found car based on your search
Fits the following location in your S8
  • Rear Door
$279.99 /set

In stock

DS18 6XL650N-8 (Sold Indivually)

650W Peak (325W RMS) 6.5" XL Series 8-ohm Mid-Range Speaker

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650W Peak (325W RMS) 6.5" XL Series 8-ohm Mid-Range Speaker

• 650 watts Peak Each, 325 watts RMS Each
• Non-Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 98.5 dB

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found car based on your search
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  • Rear Door
$203.95

In stock.

Sony XS-160GS with Sound Damping

500W Peak (90W RMS) 6.5" GS Series 2-way 4-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

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500W Peak (90W RMS) 6.5" GS Series 2-way 4-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

• 250 watts Peak Each, 45 watts RMS Each
• 13/16 Silk Soft Dome tweeters
• Composite Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

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48
List price $168.73
$162.99

In stock

• 250 watts Peak Each, 45 watts RMS Each
• 13/16 Silk Soft Dome tweeters
• Composite Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

Limited time!

Infinity REF607CF (INFSPKRF607CFUS)

540W Peak (180W RMS) 6.5" Reference Series 2 Way 3-ohm Component Speaker System

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540W Peak (180W RMS) 6.5" Reference Series 2 Way 3-ohm Component Speaker System

• 270 watts Peak Each, 90 watts RMS Each
• 3/4" Textile Edge Driven Dome tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

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found car based on your search
Fits the following location in your S8
  • Rear Door
17
List price $249.95
-12% $219.95 /set

In stock.

Used from: $186.96
Limited time!

Hertz MPK165P.3

460W Peak (230W RMS) 6.5" Mille PRO Series 2-way 3-ohm Component Speaker System

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460W Peak (230W RMS) 6.5" Mille PRO Series 2-way 3-ohm Component Speaker System

• 230 watts Peak Each, 115 watts RMS Each
• Tetolon Soft Dome tweeters
• Pressed Pulp Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

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Fits the following location in your S8
  • Rear Door
List price $765.00
-15% $649.99 /set

Available

Ships in 10-14 days

Limited time!

Pioneer TS-Z65C

600W Peak (200W RMS) 6.5" Z-Series 2-Way 4-ohm Component Speaker System

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600W Peak (200W RMS) 6.5" Z-Series 2-Way 4-ohm Component Speaker System

• 300 watts Peak Each, 100 watts RMS Each
• 1-1/8" Aluminum Alloy Balanced Dome Tweeters
• Twaron Aramid Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 85 dB
• Mounting Depth: 2-1/2"

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found car based on your search
Fits the following location in your S8
  • Rear Door
List price $350.00
Save $137.51
-39% $212.49 /set

In stock

• 300 watts Peak Each, 100 watts RMS Each
• 1-1/8" Aluminum Alloy Balanced Dome Tweeters
• Twaron Aramid Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 85 dB
• Mounting Depth: 2-1/2"

Limited time!

Diamond Audio DMDX65C

270W Peak (90W RMS) 6.5" DMD Series 2-Way Component 4-ohm Speakers

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270W Peak (90W RMS) 6.5" DMD Series 2-Way Component 4-ohm Speakers

• 135 watts Peak Each, 45 watts RMS Each
• 3/4" Dome Tweeters
• Treated Paper cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

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found car based on your search
Fits the following location in your S8
  • Rear Door
$279.99 /set

In stock.

Sundown Audio SA-6.5M 6.5" (SA65M)

400W Peak (200W RMS) 6.5" SA Series Midrange 4-ohm Speakers (S-SA6.5M)

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400W Peak (200W RMS) 6.5" SA Series Midrange 4-ohm Speakers (S-SA6.5M)

• 200 watts Peak Each, 100 watts RMS Each
• Woven Carbon Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

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Install kits available for most vehicles

found car based on your search
Fits the following location in your S8
  • Rear Door
List price $419.99
-17% $349.99 /pair

Available

Ships in 10-14 days

Limited time!

Kicker KSS65 (51KSS6504) (Like New (Open Box))

500W Peak (250W RMS) 6.5" KS Series 2-Way 4-ohm Component Speaker System

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500W Peak (250W RMS) 6.5" KS Series 2-Way 4-ohm Component Speaker System

• 250 watts Peak Each, 125 watts RMS Each
• 1" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

10% Off Open Box!
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found car based on your search
Fits the following location in your S8
  • Rear Door
List price $279.99
-24% $212.49 /set
$191.24 with coupon | Price details

In stock

Diamond Audio DMD35

80W Peak (40W RMS) 3.5” DMD Series Full-Range Car Speakers with Adaptor for BMW

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80W Peak (40W RMS) 3.5” DMD Series Full-Range Car Speakers with Adaptor for BMW

• 40 watts Peak Each, 20 watts RMS Each
• Includes square, triangle (BMW) and universal adaptors
• 0.79" Silk Dome tweeters
• Polypropylene cone material
• Sensitivity: 84 dB

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additional information required
Fits select locations in your S8.
Add vehicle details to confirm exact location.
$109.99 /pair

Available

Ships in 10-14 days

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    FAQ for Speakers in 2015 S8

    Q: Can I upgrade or change the Speakers in 2015 Audi S8?

    A: Yes this page includes all the best Speakers that work in your S8.

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    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

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