Access exclusive offers, news and more.
Thanks for signing up. You'll be the first to receive updates about new collections, top brands, and exclusive products.
See all parts that fit your 2008 A4
Replacement Knobs for RetroSound Radios (Black Front/Chrome Rear)
• Replacement Knob for RetroSound Radios
Learn more about the rs3978Connect your factory antenna to a new aftermarket radio for select 1973-2025 vehicles from Audi, Mercedes-Benz, Volkswagen
$7.99
List price $11.99
Install a new Single-DIN or Double-DIN car stereo in select 2002-2009 S4 and A4 and RS4 (Matte Black)
$27.99
List price $67.99
Scosche LAI10 Wiring Interface
Install new car stereo and retain steering wheel audio controls in select 2004-2023 vehicles from Audi
$89.99
7" Double DIN Touch Screen Digital Multimedia Receiver with Bluetooth
$82.49
List price $109.99
6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto, and SiriusXM Ready
$339.99
List price $420.00
600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers
$79.96
List price $119.99
360W Peak (120W RMS) 6.5" Club Series 2-way Coaxial 3-ohm Speakers
$99.95
List price $139.95
6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay and Android Auto, and Built-in Alexa (Sirius XM Ready)
$469.99
List price $620.00
480W Peak (120W RMS) 6.5” DS Series 2-way 4-ohm Coaxial Car Speakers (DSC6504)
$84.99
List price $94.99
600W Peak (200W RMS) 6.5" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers
$109.00
List price $119.99
600W Peak (70W RMS) 6.5" XED Series 2-Way Coaxial 4-ohm Speakers
$49.99
List price $59.99
250W Peak (200W RMS) 6.5″ PNW Series 2 Way Component 3-ohm Speakers
$319.00
List price $339.00
600W Peak (300W RMS) 6.5" Mille PRO Series 3-way 4-ohm Component Speaker System
$999.99
List price $1175.00
Best selling similar products
• Universal 4" Double DIN Installation Trim Kit
• Accommodates ISO double DIN mount
• Painted to match factory dash color
• High-Grade ABS plastic construction
• Factory style texture
$13.99
List price $33.99
• Double-DIN Dash Kit
• Painted scratch-resistant black
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions
(13)
$44.99
List price $60.00
• Double-DIN Dash Kit
• Painted scratch-resistant matte black
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions
$50.99
List price $85.99
Metra 109-UN02 Universal Dashkit for DMHWC6600NEX
• Double-DIN Dash Kit
• Painted scratch-resistant black
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions
$62.99
List price $103.99
• Universal Double-DIN trim rings
• For Double-DIN radio installations
$12.99
List price $27.99
• Universal Underdash CD Housing
• Premium underdash housing fully encloses the unit
• Quick conversion from 2-Shaft to DIN
• High-grade ABS Plastic
(3)
$29.99
List price $33.99
• Equalizer under dash mounting bracket
• Fits WS420-BT or WS220-BT equalizers (sold separately)
• Made with tough black billet brushed metal finish
• Mounting hardware and screws included
$239.99
List price $239.99
iDataLink Maestro ACC-KIT-PKT1
• Universal Single DIN storage pocket
• Install Single DIN in a Double DIN dash opening
• Mounts above or below the stereo
• Painted to Match Factory Dash Color
• High-Grade ABS Plastic Construction
• Factory Style Texture
$79.99
List price $99.99
• For Finishing Off a Double DIN Radio Installation
• Can Also Finish off Two ISO Stacked Radios
• Trim Ring is Scored on Back for Easy Trimming
• Compatible with [[!afgShortRange]
(6)
$27.99
List price $31.99
• Double-DIN Dash Kit
• Painted scratch-resistant black
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions
$92.99
List price $103.99
Manufacturer:
Model Number:
rs-39-78
Weight:
0.20lbs
Internal SKU:
rs3978
Internal Product ID:
122955
| 5 star |
|
0% |
| 4 star |
|
0% |
| 3 star |
|
0% |
| 2 star |
|
0% |
| 1 star |
|
0% |
| Durability |
|
0 |
| Value |
|
0 |
| Features |
|
0 |
| Design |
|
0 |
| Usability |
|
0 |
Clifford 7145X (Requires Programming)
Clifford 7145X 4 Button Remote for 3105X
$45.99
List price $99.99
Replacement Knobs for RetroSound Radios (Chrome w/Black Center Front/Chrome Rear)
$29.99
List price $0.00
Metal Chrome License Plate Frame Rearview Backup Camera
BOYO Vision VTL275
(1)
$155.99
List price $202.99
2 Black 8" Marine Tubbies, Single Ended 2-Way Marine Tower Speakers
(1)
$331.41
List price $599.99
Double DIN CD/DVD Bluetooth Car Stereo w/ Apple CarPlay & Android Auto
$399.99
List price $449.99
XS Power D3400R (Reverse Polarity)
12-Volt Deep Cycle AGM Reverse Polarity Battery Power Cell with 3300-Max Amps for European Vehicles
(5)
$419.99
List price $469.99
Auxiliary Audio Source Integration Harness for Select 1997-2004 Chevrolet Corvette
(7)
$17.99
List price $26.98
Universal 19mm Stainless Momentary Green LED Switch with Harness
$9.99
List price $14.98
1100 Amp Power Series Dry Cell Battery w/ Protective Steel Case for Systems up to 2000W
$299.99
List price $399.99
Cancel
Cancel
Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:
Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.
Sign up for our emails and we’ll send you a code for
10% off the .
Be the first to know about new arrivals, exclusive offers, and more!
Check your email for the code and start saving today!
*Offer is Email Exclusive only. Contact us and we’ll help you build the system of your dreams for less.
By clicking "Get my discount!" and submitting your email, you agree to our
Terms of Service and
Privacy Policy.
