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Number 2 marks the part’s position in this exploded view (Audi RS6 Avant (2019-)).
Other diagrams in the gallery may use a different number for the same part.
Product overview
Genuine OEM Audi Antenna Amplifier, part number 4K0035225B. This electronic module is designed to strengthen radio and communication signals, ensuring clear and reliable reception for the vehicle's audio and infotainment systems. It is typically located on the left front side of the vehicle's roof assembly. The amplifier is a compact unit, weighing approximately 0.063 kg and measuring 0.12m in length. Using a genuine OEM amplifier ensures correct signal processing and compatibility with the vehicle's complex electrical architecture, preventing interference and maintaining factory performance.
Catalogue entry: AMPLIFIER left lower.
Technical details
- Category
- Audio & Infotainment
- Customs (HS) code
- 85437030
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 12 × 2 × 2.7 cm
- Shipping weight
- 0.06 kg
Specifications
As recorded in the manufacturer’s parts catalogue for this part number.
Equipment codes
- ER1
- ER2
- ER3
- ER4
- ER6
- ER8
- EZ1
- EZ3
- QU1
- QV1
- 4KC
- Q0A
- Q0B
- VW8
PR codes identify the factory option a part belongs to; your vehicle’s are listed on the data sticker in the boot well or service booklet.
Why buy from WW Spares?
- ✓ Genuine OEM inventory sourced directly from factory networks
- ✓ Fitment support from workshop-seasoned parts specialists
- ✓ Global logistics with customs-ready documentation
Need help confirming compatibility? Talk to a specialist
