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2003 Audi S8

Universal gear includes car amplifiers, subs, and other products that do not install in a specific location or require fitment to integrate with a vehicle.

Universal-Fit Audio for 2003 Audi S8

When thinking of universal gear, we consider products like a car amp that gives more power to your speakers or subs, cell phone chargers, equalizers and sound processors, rear-seat entertainment and video monitors, as well as dash cameras.

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Kenwood eXcelon XM502-1 with NVX 8 Gauge Amp Kit

500W RMS XR Series Class-D Monoblock Marine Amplifier

XM5021_XKIT82 big
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500W RMS XR Series Class-D Monoblock Marine Amplifier

• 300 watts x 1 channel @ 4 ohm
• 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

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60
List price $545.99
-35% $354.99

Available

Ships in 10-14 days

• 300 watts x 1 channel @ 4 ohm
• 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

Kenwood eXcelon XR601-1 + NVX Premium XKIT42

600W RMS XR Series 2-ohm Stable Class-D Monoblock Amplifier w/ Bass Knob Included + NVX 4 Gauge Amp Wiring Kit

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600W RMS XR Series 2-ohm Stable Class-D Monoblock Amplifier w/ Bass Knob Included + NVX 4 Gauge Amp Wiring Kit

• 400 Watts RMS x 1 @ 4 ohm
• 600 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 1200 Watts
• CEA-2006 Compliant
• Bass Knob Included
• Aluminum Heatsink
• Dimensions: 8-11/16" W x 6-5/8" L x 1-3/8" H

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124
List price $663.99
-21% $525.99

Available

Ships in 10-14 days

• 400 Watts RMS x 1 @ 4 ohm
• 600 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 1200 Watts
• CEA-2006 Compliant
• Bass Knob Included
• Aluminum Heatsink
• Dimensions: 8-11/16" W x 6-5/8" L x 1-3/8" H

Kenwood eXcelon XM802-5 with NVX 4 Gauge Amp Kit

800W RMS XR Series Class-D 5-Channel Marine Amplifier

XM8025_XKIT46 big
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800W RMS XR Series Class-D 5-Channel Marine Amplifier

• 50 watts x 4 channel + 300 watts x 1 channel @ 4 ohm
• 75 watts x 4 channel + 500 watts x 1 channel @ 2 ohm
• Bridged: 150 watts x 2 channel @ 4 ohm + 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 800 watts
• Class D 2 ohm Stable 5-Channel Amplifier
• Includes Amplifier Wiring Kit

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45
List price $829.99
-35% $541.64

Available

Ships in 10-14 days

• 50 watts x 4 channel + 300 watts x 1 channel @ 4 ohm
• 75 watts x 4 channel + 500 watts x 1 channel @ 2 ohm
• Bridged: 150 watts x 2 channel @ 4 ohm + 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 800 watts
• Class D 2 ohm Stable 5-Channel Amplifier
• Includes Amplifier Wiring Kit

Kenwood eXcelon XM802-5 with Amplifier Wiring Kit

1600W Peak (800W RMS) Class D 5-Channel Car Audio Amplifier

XM8025, BAK46 big
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1600W Peak (800W RMS) Class D 5-Channel Car Audio Amplifier

• 75 watts x 4 channel + 300 watts x 1 channel @ 4 ohm
• 75 watts x 4 channel + 500 watts x 1 channel @ 2 ohm
• Bridged: 150 watts x 2 channel @ 4 ohm + 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 800 watts
• CEA-2006 Compliant
• Class D 2 ohm Stable 5-Channel Amplifier
• Includes Amplifier Wiring Kit

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25
List price $739.99
-34% $490.99

Available

Ships in 10-14 days

• 75 watts x 4 channel + 300 watts x 1 channel @ 4 ohm
• 75 watts x 4 channel + 500 watts x 1 channel @ 2 ohm
• Bridged: 150 watts x 2 channel @ 4 ohm + 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 800 watts
• CEA-2006 Compliant
• Class D 2 ohm Stable 5-Channel Amplifier
• Includes Amplifier Wiring Kit

Kenwood eXcelon XM502-1 with Amplifier Wiring Kit

1000W Peak (500W RMS) Class D Monoblock Car Audio Amplifier

XM502-1, BAK82 big
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1000W Peak (500W RMS) Class D Monoblock Car Audio Amplifier

• 300 watts x 1 channel @ 4 ohm
• 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable Monoblock Amplifier

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97
List price $499.99
-37% $316.49

Available

Ships in 10-14 days

• 300 watts x 1 channel @ 4 ohm
• 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable Monoblock Amplifier

Kenwood eXcelon XM802-5 - Open Box, Great

800W RMS XR Series Class-D 5-Channel Marine Amplifier

XM802-5 big
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800W RMS XR Series Class-D 5-Channel Marine Amplifier

• 50 watts x 4 channel + 300 watts x 1 channel @ 4 ohm
• 75 watts x 4 channel + 500 watts x 1 channel @ 2 ohm
• Bridged: 150 watts x 2 channel @ 4 ohm + 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 800 watts
• Class D 2 ohm Stable 5-Channel Amplifier

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List price $650.00
-52% $314.30

Available

• 50 watts x 4 channel + 300 watts x 1 channel @ 4 ohm
• 75 watts x 4 channel + 500 watts x 1 channel @ 2 ohm
• Bridged: 150 watts x 2 channel @ 4 ohm + 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 800 watts
• Class D 2 ohm Stable 5-Channel Amplifier

Kenwood KCA-RC55MR

Marine Wired Remote Control w/ 2-line LCD Screen for Select Kenwood Headunits

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Marine Wired Remote Control w/ 2-line LCD Screen for Select Kenwood Headunits

• Controls Select Kenwood Marine Receivers
• LCD 2-Line Display
• Includes Anodized Aluminum Mounting Hardware

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3
List price $210.00
-15% $179.00

• Controls Select Kenwood Marine Receivers
• LCD 2-Line Display
• Includes Anodized Aluminum Mounting Hardware

Kenwood eXcelon KFC-XW1041

1300W Peak (300W RMS) 10" eXcelon Series Single 4-ohm Car Subwoofer

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1300W Peak (300W RMS) 10" eXcelon Series Single 4-ohm Car Subwoofer

• Peak Power: 1300 watts
• RMS Power: 300 watts
• Impedance: Single 4 ohm
• Injection Molded Polypropylene Cone
• Urethane Surround
• Mount depth: 4-7/8"
• Sensitivity: 84 dB

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• Peak Power: 1300 watts
• RMS Power: 300 watts
• Impedance: Single 4 ohm
• Injection Molded Polypropylene Cone
• Urethane Surround
• Mount depth: 4-7/8"
• Sensitivity: 84 dB

Limited time!

Kenwood KAC-M1814

400W Peak (180W RMS) Class D M Series 4-Channel Car, Marine, Powersports, and Motorcycle Amplifier

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400W Peak (180W RMS) Class D M Series 4-Channel Car, Marine, Powersports, and Motorcycle Amplifier

• 45 watts x 4 channel @ 4 ohm
• 45 watts x 4 channel @ 2 ohm
• Bridged: 90 watts x 2 channel @ 4 ohm
• Total RMS Power: 180 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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3
List price $230.00
Save $51.00
-22% $179.00

• 45 watts x 4 channel @ 4 ohm
• 45 watts x 4 channel @ 2 ohm
• Bridged: 90 watts x 2 channel @ 4 ohm
• Total RMS Power: 180 watts
• Class D 2 ohm Stable 4-Channel Amplifier

Kenwood CMOS-230LP1

Universal Rearview Backup Camera with License Plate Mounting Kit

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Universal Rearview Backup Camera with License Plate Mounting Kit

• Universal Rear View Backup Camera
• Mounting Style: Top of License Plate Frame
• Viewing Angle: 128 °/103 ° Horizontal/Vertical
• Resolution: 330000 pixels
• Waterproof: Yes; waterproof and dust-resistant chassis
• Night vision: Low-light

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List price $170.00
-29% $120.00

• Universal Rear View Backup Camera
• Mounting Style: Top of License Plate Frame
• Viewing Angle: 128 °/103 ° Horizontal/Vertical
• Resolution: 330000 pixels
• Waterproof: Yes; waterproof and dust-resistant chassis
• Night vision: Low-light

Kenwood CMOS-320LP1

Universal Multi View Camera with License Plate Mounting Kit

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Universal Multi View Camera with License Plate Mounting Kit

• Universal Multi View Backup Camera
• Mounting Style: Top of License Plate Frame
• Viewing Angle: 195 °/145 ° Horizontal/Vertical
• Resolution: 330000 pixels
• Night vision: Low-light

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List price $300.00
-10% $270.00

• Universal Multi View Backup Camera
• Mounting Style: Top of License Plate Frame
• Viewing Angle: 195 °/145 ° Horizontal/Vertical
• Resolution: 330000 pixels
• Night vision: Low-light

Kenwood eXcelon KFC-XW1042

1300W Peak (300W RMS) 10" eXcelon Series Single 4-ohm Car Subwoofer

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1300W Peak (300W RMS) 10" eXcelon Series Single 4-ohm Car Subwoofer

• Peak Power: 1300 watts
• RMS Power: 300 watts
• Impedance: Single 4 ohm
• Polypropylene Cone
• Foam Surround
• Mount depth: 5-1/4"
• Sensitivity: 82 dB

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List price $160.00
-19% $130.00

• Peak Power: 1300 watts
• RMS Power: 300 watts
• Impedance: Single 4 ohm
• Polypropylene Cone
• Foam Surround
• Mount depth: 5-1/4"
• Sensitivity: 82 dB

Kenwood KFC-W3042

1800W Peak (350W RMS) 12" Performance Series Single 4-ohm Car Subwoofer

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1800W Peak (350W RMS) 12" Performance Series Single 4-ohm Car Subwoofer

• Peak Power: 1800 watts
• RMS Power: 350 watts
• Impedance: Single 4 ohm
• Polypropylene Cone
• Foam Surround
• Mount depth: 6-3/16"
• Sensitivity: 82 dB

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List price $180.00
-17% $150.00

• Peak Power: 1800 watts
• RMS Power: 350 watts
• Impedance: Single 4 ohm
• Polypropylene Cone
• Foam Surround
• Mount depth: 6-3/16"
• Sensitivity: 82 dB

Kenwood eXcelon KFC-XW1242

1800W Peak (350W RMS) 12" eXcelon Series Single 4-ohm Car Subwoofer

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1800W Peak (350W RMS) 12" eXcelon Series Single 4-ohm Car Subwoofer

• Peak Power: 1800 watts
• RMS Power: 350 watts
• Impedance: Single 4 ohm
• Polypropylene Cone
• Foam Surround
• Mount depth: 6-3/16"
• Sensitivity: 82 dB

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List price $180.00
-17% $150.00

• Peak Power: 1800 watts
• RMS Power: 350 watts
• Impedance: Single 4 ohm
• Polypropylene Cone
• Foam Surround
• Mount depth: 6-3/16"
• Sensitivity: 82 dB

Kenwood eXcelon KFC-XW1200F

1400W Peak (350W RMS) 12" eXcelon Series Single 4-ohm Shallow Car Subwoofer

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1400W Peak (350W RMS) 12" eXcelon Series Single 4-ohm Shallow Car Subwoofer

• Peak Power: 1400 watts
• RMS Power: 350 watts
• Impedance: Single 4 ohm
• Glass Carbon Fiber Cone
• Rubber Surround
• Mount depth: 3-15/16"
• Sensitivity: 91 dB

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18
List price $240.00
$239.00

• Peak Power: 1400 watts
• RMS Power: 350 watts
• Impedance: Single 4 ohm
• Glass Carbon Fiber Cone
• Rubber Surround
• Mount depth: 3-15/16"
• Sensitivity: 91 dB

Kenwood eXcelon P-XRW122DB

2000W Peak (400W RMS) Loaded Single 12" Sealed Enclosure

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2000W Peak (400W RMS) Loaded Single 12" Sealed Enclosure

• Sealed enclosure with 1 12" Excelon Reference Series Subwoofer
• 400 watts RMS (2000 watts Peak)
• Final Impedance: 2-ohm
• Dimensions: 22" L x 9" H x 16" W

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1
List price $350.00
-15% $299.00
Used from: $209.30

• Sealed enclosure with 1 12" Excelon Reference Series Subwoofer
• 400 watts RMS (2000 watts Peak)
• Final Impedance: 2-ohm
• Dimensions: 22" L x 9" H x 16" W

Kenwood eXcelon P-XW1002B

1000W Peak (250W RMS) Loaded Single 10" Sealed Shallow Enclosure

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1000W Peak (250W RMS) Loaded Single 10" Sealed Shallow Enclosure

• 250 watts Single 10" Sealed Subwoofer Enclosure
• Single 4 ohm Impedance
• Spring-loaded Terminal Posts
• Enclosure Dimensions: 12-1/4" TD x BD x 19-3/4" W x 6-1/4" H

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List price $350.00
-15% $299.00

• 250 watts Single 10" Sealed Subwoofer Enclosure
• Single 4 ohm Impedance
• Spring-loaded Terminal Posts
• Enclosure Dimensions: 12-1/4" TD x BD x 19-3/4" W x 6-1/4" H

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    FAQ for Universal-Fit Audio & Electronics in 2003 S8

    Q: Can I upgrade or change the Universal-Fit Audio & Electronics in 2003 Audi S8?

    A: Yes this page includes all the best Universal-Fit Audio & Electronics that work in your S8.

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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
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    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.