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2005 Audi A4

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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.

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

Universal-Fit Audio for 2005 Audi A4

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.

Better sound with your factory radio

Better sound with a factory radio

Love your factory look or can't replace the stereo? We got you covered.

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Directed 6212T

Responder One Replacement Antenna

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Directed 6212T

Responder One Replacement Antenna

• Supercode 2-Way Responder Replacement Antenna
• Cable Included

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Universal Icon Universal – fits most vehicles.

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1
List price $84.99
-53% $39.99

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Ships in 10-14 days

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• Supercode 2-Way Responder Replacement Antenna
• Cable Included

Directed 7111T (Requires Programming)

Replacement Transmitter for select Automate, Avital, Clifford, Python and Viper Car Remote Starter Systems

7111T big
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Directed 7111T (Requires Programming)

Replacement Transmitter for select Automate, Avital, Clifford, Python and Viper Car Remote Starter Systems

• Replacement Transmitter
• Compatible With select Directed brand Remote Start Systems
• Compact Single Button Design

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Universal Icon Universal – fits most vehicles.

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List price $69.99
-29% $49.99

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• Replacement Transmitter
• Compatible With select Directed brand Remote Start Systems
• Compact Single Button Design

Directed 8604 (Requires Programming)

Pre Wired Toggle Switch (5 Pack)

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Directed 8604 (Requires Programming)

Pre Wired Toggle Switch (5 Pack)

• Directed 8604
•Pre-Wired Toggle Switch
• Pack of 5
•

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Universal Icon Universal – fits most vehicles.

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List price $34.99
-46% $18.99

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• Directed 8604
•Pre-Wired Toggle Switch
• Pack of 5
•

Directed 8614 (Requires Programming)

Straight Pin Switch Bracket for 8607 (10 Pack)

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Directed 8614 (Requires Programming)

Straight Pin Switch Bracket for 8607 (10 Pack)

• 10-Pack
• Group Switch
• Steel Construction
• Straight Bracket
•

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Universal Icon Universal – fits most vehicles.

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List price $21.99
-23% $16.99

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• 10-Pack
• Group Switch
• Steel Construction
• Straight Bracket
•

Directed 528T (Open Box, Good)

12V Accessory Pulse Timer

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Directed 528T (Open Box, Good)

12V Accessory Pulse Timer

• Pulse Timer with Adjustable Delay
• Triggered by + or - Pulse, or State Change
• Adjustable Timer: 0 - 60 Seconds

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List price $29.99
-58% $12.59

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• Pulse Timer with Adjustable Delay
• Triggered by + or - Pulse, or State Change
• Adjustable Timer: 0 - 60 Seconds

Directed 6213T

Replacement Antenna Automate 2-Way Receiver Kit with Cable

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Directed 6213T

Replacement Antenna Automate 2-Way Receiver Kit with Cable

• Replacement Antenna
• 12 Volt Cable Included
• Automate AM9 5303A Systems
• 2-Way Receiver Kit

Universal Icon Universal – fits most vehicles.

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• Replacement Antenna
• 12 Volt Cable Included
• Automate AM9 5303A Systems
• 2-Way Receiver Kit

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    FAQ for Universal-Fit Audio & Electronics in 2005 A4

    Q: Can I upgrade or change the Universal-Fit Audio & Electronics in 2005 Audi A4?

    A: Yes this page includes all the best Universal-Fit Audio & Electronics that work in your A4.

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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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