Audi S4

Audi S4

Upgrading the audio system in an Audi means dealing with car-specific wiring, connectors, and dashboard shapes. The parts here are tailored to match those details—so everything fits where it should and connects without cutting or splicing into the original system.

No matter if you're searching for fascia panels, antenna adapter and ISO adapter for a head unit install, speaker adapters that line up with factory placements, subwoofer enclosures or plug & play installations - if we have what you're looking for, you'll find it here.

Audi Speaker Adapter Rear, 6.5"

Audi Speaker Adapter Rear, 6.5"

AU02SA6.5 inch rear speaker adapters for Audi cars.
Fakra-DIN Active Antenna Adapter

Fakra-DIN Active Antenna Adapter

VW02ANTActive Fakra-DIN antenna adapter for installing an aftermarket head unit.
Fakra-DIN Antenna Adapter

Fakra-DIN Antenna Adapter

BM01ANTFakra-DIN antenna adapter for installing an aftermarket head unit or FM modulator.
ISO-DIN Active Antenna Adapter

ISO-DIN Active Antenna Adapter

VW01ANTActive ISO-DIN antenna adapter for installing an aftermarket head unit.
ISO-DIN Antenna Adapter

ISO-DIN Antenna Adapter

ID01ANTISO-DIN antenna adapter for installing an aftermarket head unit or FM modulator.
Quadlock ISO Adapter, 40-pin

Quadlock ISO Adapter, 40-pin

BM01ISOQuadlock ISO Adapter for installing an aftermarket head unit.
Radio Release Keys, horizontal

Radio Release Keys, horizontal

VW01REMA pair of radio removal keys for head units with horizontal slots.
VAG MIB Quadlock Plug & Play Integration Harness

VAG MIB Quadlock Plug & Play Integration Harness

VWPNP02VAG MIB Quadlock Plug & Play Integration Harness.
VAG Quadlock Plug & Play Integration Harness

VAG Quadlock Plug & Play Integration Harness

QLPNP01Fully pinned VAG Quadlock Plug & Play Integration Harness.

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