Find car audio that fits your 2003 Audi A4 Quattro

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• 6.5" Self-Adhesive Foam Speaker Baffle Ring Kit
• Waterproof foldable silicone baffles with egg crate foam
• Foldable rings allow for perfect fitment at varying depths
• Designed for use with 6.5" speakers
• Pack of 2

• 1" V Series Dome Tweeters
• 225 watts Peak Each
• 75 watts RMS Each
• 4 ohm Impedance

• H11 Fan-less LED Conversion Headlight Kit
• IP67 waterproof rating
• 2000 lux / 2250 lumens per bulb
• See 2-3 times further than stock lighting systems
• Low-mounting depth base design

• Android, Bluetooth, iPhone, iPod Integration Kit
• Compatible With Select 1998-2009 Audi Stereos
• Optional 3.5mm AUX and Bluetooth
• Streaming Audio for Android 4.1 and Above

• 350 watts Peak, 170 watts RMS
• Treated Paper cone material
• Impedance: 4 ohm
• Sensitivity: 95 dB

• 1" PNW Series Dome Tweeters
• 125 watts RMS Each
• 3 ohm Impedance

• Radio removal tool for select 1998-2006 Volkswagen, Audi, and Mercedes vehicles

• 6.5" or 6.75" Self-Adhesive Foam Speaker Baffle Ring Kit
• Waterproof automotive-grade high-density foam strips
• Prevents front and rear wave cancellation and panel vibrations
• Designed for use with 6.5" or 6.75" speakers
• Pack of 2

• 1" Dome Tweeters
• 80 watts Peak Each
• 40 watts RMS Each
• Impedance

• Shallow Foam Acoustic Speaker Baffles
• Includes a pair of 8" round baffles
• Made from a waterproof foam
• Creates a tight, acoustic seal behind the speaker to enhance the sound quality
• Compresses and forms to the shape of most installations
• Reduces panel vibration
• Greatly enhances the sound and performance of the speakers

• Acoustically seals speakers for better sound performance
• Prevents front and rear wave cancellation
• Reduces panels vibrations
• Foldable design allows for varying depths

• 1" KS Series Tweeters
• 225 watts Peak Each
• 75 watts RMS Each
• 4 ohm Impedance

• Factory Antenna to Aftermarket Radio Adapter
• Compatible with select 1973-2025 vehicles from Audi, Mercedes-Benz, Volkswagen Vehicles
• Factory antenna with flat plug to aftermarket radio
• A capacitor is included to match the impedance

• H7 Fan-less LED Conversion Headlight Kit
• IP67 waterproof rating
• 2000 lux / 2250 lumens per bulb
• See 2-3 times further than stock lighting systems
• Low-mounting depth base design

• Universal speaker mounting adapters
• Designed to install 6.5" aftermarket speakers
• OEM-grade fitment with pre-drilled mounting points
• Includes (2) speaker adapter plates

• Auxillary Cable Input Car Stereo Kit for select 1998-2014 vehicles from Audi
• Easy connection between the car stereo and MP3/smartphone/iPod
• Includes a 5 ft. 3.5mm audio phone jack cable

• 1" S Series Tweeters
• 240 watts Peak Each
• 80 watts RMS Each
• 4 ohm Impedance

• 260 watts Peak Each, 85 watts RMS Each
• Hi-Res Audio Certified
• 3/4" Dome Tweeters
• Lightweight Rigid Pulp cone material
• Impedance: 4 ohm
• Sensitivity: 83 dB

• 1" C6 Series Tweeter
• 75 watts RMS
• 4 ohm Impedance

• 1" Cento Series Soft Dome Tweeters for OE Placements
• Built-in crossover: 6dB/octave
• 120 watts Peak Each
• 4 ohm Impedance