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Connects2 CTAADUSB004 – Audi Quadlock USB / SD / AUX Interface

Connects2 CTAADUSB004 Audi Quadlock USB SD AUX Interface – Rivonia Car Sound
Audi

Connects2 CTAADUSB004 – Audi Quadlock USB / SD / AUX Interface

R950.00

OEM-style audio interface for Audi — adds USB, SD & 3.5 mm AUX input via the CD-changer port, fully integrated with factory stereo controls.

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SKU CTAADUSB004 Category Brand:

Suitable for:

The **Connects2 CTAADUSB004** is a high-quality audio interface designed for Audi vehicles equipped with the **Quadlock connector**. It plugs directly into the original CD-changer port behind the factory radio, providing USB, SD card, and AUX (3.5 mm jack) connectivity while preserving original controls.

With this interface, you can play audio from flash drives, USB HDDs, MP3 / iPod devices, or SD/SDHC cards, and control folders/tracks using the factory stereo buttons or steering-wheel controls (if supported). It also supplies 5 V USB power to connected devices.

  • Product Code: **CTAADUSB004**
  • Type: OEM Audio Interface / USB / SD / AUX adapter
  • Interface Method: Plugs into CD-changer port on back of factory head unit (via Quadlock)
  • Supported Inputs: USB flash drive, USB HDD, SD / SDHC card slot, 3.5 mm AUX jack
  • Control: Folder / track control via factory buttons / steering-wheel (if supported)
  • Output Power: 5 V USB to power connected device
  • Compatibility: Audi A3 (2003–2014), Audi A4 (2005–2014), Audi TT (2005–2014) with Quadlock stereo inputs
  • Dimensions / Weight: ~275 g gross weight
Fully integrated OEM-style USB + SD + AUX interface Plugs into factory CD-changer port — no cutting or splicing Folder + track control via radio buttons or steering controls 5 V USB power output for peripherals Wide compatibility with many Audi models using Quadlock SD / SDHC card slot for expanded storage Maintains OEM look and operation without requiring aftermarket head unit
  • Professional installation is recommended to avoid damaging radio or wiring.
  • Ensure the factory radio supports an external CD-changer input — some units with internal changers may not accept this interface.
  • Match the wiring harness and plug type (Quadlock) exactly before purchase.
  • Avoid exposing the interface or wiring to moisture, heat, or sharp edges during installation.
  • Audi A3 (2003–2014) — with Quadlock-style radio units
  • Audi A4 (2005–2014) — with suitable factory stereo
  • Audi TT (2005–2014) — compatible radios with Quadlock input

Please verify your radio’s connector, model and CD-changer support before ordering.

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