Garage
Shop

2011 Audi A6

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 2011 Audi A6

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.

Loading...
Filters
filter-icon Filters & Sort

Belva BRT038

0/1 Gauge Ring Terminals, 3/8" Opening with Nickel Plated Brass - 5 Pieces (3 Red & 2 Black)

BRT038 big
Go to item page Right Arrow Icon of Right Arrow

0/1 Gauge Ring Terminals, 3/8" Opening with Nickel Plated Brass - 5 Pieces (3 Red & 2 Black)

• Ring Terminals
• 3/8" Opening
• 0/1 Gauge
• 3 Red & 2 Black • Nickel Plated
• Resealable Polybag

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

12
List price $9.99
-50% $4.99

In stock

• Ring Terminals
• 3/8" Opening
• 0/1 Gauge
• 3 Red & 2 Black • Nickel Plated
• Resealable Polybag

Belva BRT438

4 Gauge Ring Terminals, 3/8" Opening with Nickel Plated Brass - 5 Pieces (3 Red & 2 Black)

BRT438 big
Go to item page Right Arrow Icon of Right Arrow

4 Gauge Ring Terminals, 3/8" Opening with Nickel Plated Brass - 5 Pieces (3 Red & 2 Black)

• Ring Terminals
• 3/8" Opening
• 4 Gauge
• 3 Red & 2 Black
• Nickel Plated
• Resealable Polybag

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

8
List price $9.99
-70% $2.99

In stock

• Ring Terminals
• 3/8" Opening
• 4 Gauge
• 3 Red & 2 Black
• Nickel Plated
• Resealable Polybag

Belva BST408

Pair of 4 Gauge Spade Terminals, #8 Opening with Nickel Plated Brass (1 Black & 1 Red)

BST408 big
Go to item page Right Arrow Icon of Right Arrow

Pair of 4 Gauge Spade Terminals, #8 Opening with Nickel Plated Brass (1 Black & 1 Red)

• Spade Terminals
• 4 Gauge
• 1 Red & 1 Black
• Nickel Plated
• Resealable Polybag

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

7
List price $3.99
-50% $1.99

In stock

• Spade Terminals
• 4 Gauge
• 1 Red & 1 Black
• Nickel Plated
• Resealable Polybag

Belva BST1008

Pair of 10 Gauge Spade Terminals, #8 Opening with Nickel Plated Brass (1 Black & 1 Red)

BST1008 big
Go to item page Right Arrow Icon of Right Arrow

Pair of 10 Gauge Spade Terminals, #8 Opening with Nickel Plated Brass (1 Black & 1 Red)

• Spade Terminals
• 10 Gauge • 1 Red & 1 Black
• Nickel Plated
• Resealable Polybag

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

4
List price $3.99
-50% $1.99

In stock

• Spade Terminals
• 10 Gauge • 1 Red & 1 Black
• Nickel Plated
• Resealable Polybag

Belva BRT0516

1/0 Gauge Ring Terminals, 5/16" Opening with Nickel Plated Brass - 2 Pieces (1 Red & 1 Black)

BRT0516 big
Go to item page Right Arrow Icon of Right Arrow

1/0 Gauge Ring Terminals, 5/16" Opening with Nickel Plated Brass - 2 Pieces (1 Red & 1 Black)

• Ring Terminals
• 5/16" Opening
• 0/1 Gauge
• 1 Red & 1 Black
• Nickel Plated
• Resealable Polybag

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

5
List price $9.99
-50% $4.99

In stock

• Ring Terminals
• 5/16" Opening
• 0/1 Gauge
• 1 Red & 1 Black
• Nickel Plated
• Resealable Polybag

DS18 CCL1/0

1/0 Gauge Copper Ring Terminals (Pack of 10)

CCL1/0 big
Go to item page Right Arrow Icon of Right Arrow

1/0 Gauge Copper Ring Terminals (Pack of 10)

• 1/0-gauge copper ring terminals
• Package includes 10 ring terminals
• Designed with closed end pads
• Impenetrable shield against moisture

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $32.99
-18% $26.95

In stock.

• 1/0-gauge copper ring terminals
• Package includes 10 ring terminals
• Designed with closed end pads
• Impenetrable shield against moisture

Stinger SSPR0

1/0 Gauge Ring Terminal

SSPR0 big
Go to item page Right Arrow Icon of Right Arrow

1/0 Gauge Ring Terminal

• 1/0 Gauge Ring Terminal
• Brass and Satin Finish

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $19.00
-58% $7.99

In stock

• 1/0 Gauge Ring Terminal
• Brass and Satin Finish

DS18 CCL/4

4 Gauge Copper Ring Terminals (Pack of 10)

CCL/4 big
Go to item page Right Arrow Icon of Right Arrow

4 Gauge Copper Ring Terminals (Pack of 10)

• 4-gauge copper ring terminals
• Package includes 10 ring terminals
• Designed with closed end pads
• Impenetrable shield against moisture

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $17.99
-17% $14.95

In stock.

• 4-gauge copper ring terminals
• Package includes 10 ring terminals
• Designed with closed end pads
• Impenetrable shield against moisture

DS18 CCL2/0

2/0 Gauge Copper Ring Terminals (Pack of 10)

CCL2/0 big
Go to item page Right Arrow Icon of Right Arrow

2/0 Gauge Copper Ring Terminals (Pack of 10)

• 2/0-gauge copper ring terminals
• Package includes 10 ring terminals
• Designed with closed end pads
• Impenetrable shield against moisture

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $43.99
-18% $35.95

In stock

• 2/0-gauge copper ring terminals
• Package includes 10 ring terminals
• Designed with closed end pads
• Impenetrable shield against moisture

Sundown Audio 8R

8-Gauge Ring Terminals (Red, Pack of 20)

8R big
Go to item page Right Arrow Icon of Right Arrow

8-Gauge Ring Terminals (Red, Pack of 20)

• 8-gauge ring terminals
• Pack of 20
• Color: Red

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $17.99
-17% $14.99

In stock

• 8-gauge ring terminals
• Pack of 20
• Color: Red

Stinger SPT5104

PRO Ring Terminals 4 Gauge Input to 5/16" Ring (4/pack) w/ Shoc-Krome plating

SPT5104 big
Go to item page Right Arrow Icon of Right Arrow

PRO Ring Terminals 4 Gauge Input to 5/16" Ring (4/pack) w/ Shoc-Krome plating

Custom installation look • Includes 2 black and 2 red boot terminals • Platinum Finish

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

1
List price $19.00
-47% $9.99

In stock

Only 1 Left!

Custom installation look • Includes 2 black and 2 red boot terminals • Platinum Finish

Belva BRT4516

4 Gauge Ring Terminals, 5/16" Opening with Nickel Plated Brass - 2 Pieces (1 Red & 1 Black)

BRT4516 big
Go to item page Right Arrow Icon of Right Arrow

4 Gauge Ring Terminals, 5/16" Opening with Nickel Plated Brass - 2 Pieces (1 Red & 1 Black)

• Ring Terminals
• 5/16" Opening
• 4 Gauge
• 1 Red & 1 Black
• Nickel Plated
• Resealable Polybag

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

3
List price $6.99
-29% $4.99

In stock

• Ring Terminals
• 5/16" Opening
• 4 Gauge
• 1 Red & 1 Black
• Nickel Plated
• Resealable Polybag

Stinger SPT5201

Pro Classic Dual 1/0GA Inputs to 5/16" Ring Shoc-Krome Terminal

SPT5201 big
Go to item page Right Arrow Icon of Right Arrow

Pro Classic Dual 1/0GA Inputs to 5/16" Ring Shoc-Krome Terminal

• Dual 1/0 GA Inputs to 5/16" Ring

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

2
List price $49.00
-55% $21.99

In stock

• Dual 1/0 GA Inputs to 5/16" Ring

Sundown Audio 1/0R

1/0-Gauge Ring Terminals (Red, Pack of 20)

1/0R big
Go to item page Right Arrow Icon of Right Arrow

1/0-Gauge Ring Terminals (Red, Pack of 20)

• 1/0-gauge ring terminals
• Pack of 20
• Color: Red

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $56.39
-17% $46.99

Available

Ships in 10-14 days

• 1/0-gauge ring terminals
• Pack of 20
• Color: Red

Sundown Audio 4R

4-Gauge Ring Terminals (Red, Pack of 20)

4R big
Go to item page Right Arrow Icon of Right Arrow

4-Gauge Ring Terminals (Red, Pack of 20)

• 4-gauge ring terminals
• Pack of 20
• Color: Red

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $23.99
-17% $19.99

Available

Ships in 10-14 days

• 4-gauge ring terminals
• Pack of 20
• Color: Red

Install Bay 3MBVRT6

3M 16/14 Gauge #6 Vinyl Ring Terminals - Blue

3MBVRT6 big
Go to item page Right Arrow Icon of Right Arrow

3M 16/14 Gauge #6 Vinyl Ring Terminals - Blue

• Vinyl Ring Terminals
• Accepts 16/14 gauge wire
• Comes in pack of 100
• Size: #6
• Color: Blue

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $19.99
-50% $9.99

In stock

• Vinyl Ring Terminals
• Accepts 16/14 gauge wire
• Comes in pack of 100
• Size: #6
• Color: Blue

Stinger SPT5104R (25 Pack)

PRO Ring Terminals 4 Gauge Input to 5/16" Ring (25 Pack) w/ Shoc-Krome plating

SPT5104r big
Go to item page Right Arrow Icon of Right Arrow

PRO Ring Terminals 4 Gauge Input to 5/16" Ring (25 Pack) w/ Shoc-Krome plating

Custom installation look • Includes 25 red boot terminals • Platinum Finish

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $79.00
-51% $38.99

In stock

Only 2 Left!

Custom installation look • Includes 25 red boot terminals • Platinum Finish

Sundown Audio 8B

8-Gauge Ring Terminals (Black, Pack of 20)

8B big
Go to item page Right Arrow Icon of Right Arrow

8-Gauge Ring Terminals (Black, Pack of 20)

• 8-gauge ring terminals
• Pack of 20
• Color: Black

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $17.99
-17% $14.99

In stock

Only 3 Left!

• 8-gauge ring terminals
• Pack of 20
• Color: Black

Sundown Audio 1/0B

1/0-Gauge Ring Terminals (Black, Pack of 20)

1/0B big
Go to item page Right Arrow Icon of Right Arrow

1/0-Gauge Ring Terminals (Black, Pack of 20)

• 1/0-gauge ring terminals
• Pack of 20
• Color: Black

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $56.39
-17% $46.99

Available

Ships in 10-14 days

• 1/0-gauge ring terminals
• Pack of 20
• Color: Black

Wet Sounds WWX-5/16RING4-BLK50

4-Gauge 5/16 Hole Black Nickel Ring Terminals for Marine Applications (Pack of 50)

WWX-5/16RING4-BLK50 big
Go to item page Right Arrow Icon of Right Arrow

4-Gauge 5/16 Hole Black Nickel Ring Terminals for Marine Applications (Pack of 50)

• 4-gauge copper ring terminals for marine applications
• Black terminal insulation
• 5/16 terminal hole
• Package includes 50 ring terminals

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$79.99

Available

Ships in 10-14 days

• 4-gauge copper ring terminals for marine applications
• Black terminal insulation
• 5/16 terminal hole
• Package includes 50 ring terminals

Items per page: 20 40 60

    Clear all
    why-shoping-with-sonic

    We love people and we're ready to help you! See what separates us from our competition.

    Take advantage of our VIP rewards like 10% back on your purchases, free 2-day shipping, extended warranties, and free returns! Gain access to all of these rewards without any membership fees.
    Get great discounted (and possibly FREE) installation accessories with most car stereo purchases. This includes dash kits, wiring harnesses and antenna adapters that you will need to properly install your new car stereo.
    We are an Authorized Dealer for all the brands we sell, including the most premium brands in car and marine audio such as Hertz, JL Audio, NVX, Rockford Fosgate, Kicker, Alpine, Kenwood and many more.
    Shop Deals and get up to 30% off premium brands! Shop Now! We are always looking out for the best products and deals to offer our customers. Don’t pay too much by shopping elsewhere!
    We have information on brands, gear, and more for you to explore! Check out our YouTube Channel for helpful how-to videos, product reviews, and Q&As. For a more detailed look, also visit our Learning Center!
    Our trained experts are here to assist you! They are just a phone call or click away to help you get the right gear for you and your vehicle!
    Why Shop With Us?
    FAQ for Universal-Fit Audio & Electronics in 2011 A6

    Q: Can I upgrade or change the Universal-Fit Audio & Electronics in 2011 Audi A6?

    A: Yes this page includes all the best Universal-Fit Audio & Electronics that work in your A6.

    Save up to 10 different vehicles in your garage
    Vehicle
    Store
    Delete

    2012 BMW M6

    2017 Audi S7

    2022 Audi e-tron S

    2011 Audi A6

    2006 Saab 9-3

    2009 Audi S8

    2014 Chrysler 300

    2012 Subaru Legacy

    2001 Oldsmobile Bravada

    2013 Ford Fusion

    Add vehicle Clear all vehicles
    Where to find vehicle info
    Are you sure you want to clear your garage?
    This action cannot be undone. Confirm
    This category was not designed for products.
    If you continue, you will be redirected to a category customized for your vehicle. Continue
    Loading...
    Identify your vehicle and submodel details
    • Owner's manual
    • Vehicle's insurance card
    • Vehicle registration
    • Vehicle produced after 2005: Inside driver's side door
    • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
    Car Info Side Door Icon
    Vehicle Registration Icon
    Vehicle Insurance Icon

    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.