Genuine OEM Volkswagen Roof Antenna Amplifier, part number 5K0035552B. This component is designed to boost the signal received by the vehicle's roof antenna, enhancing reception quality for various communication systems. It is integrated within the roof antenna assembly. Weighing 0.045 kg and measuring approximately 0.11m in length, this amplifier ensures clear audio and reliable connectivity. Choosing a genuine OEM amplifier guarantees correct signal processing and compatibility with the vehicle's electrical architecture, preventing interference and ensuring long-term performance.