Genuine OEM Audi Bootlid Antenna Amplifier, part number 8J0035530. This electronic module is specifically designed to boost and clarify the signal received by the vehicle's antenna, ensuring optimal reception for radio and other infotainment systems. It is typically located within the bootlid assembly, directly connected to the antenna. Weighing approximately 0.084 kg, this compact unit is crucial for maintaining clear audio and data signals. Choosing a genuine OEM antenna amplifier guarantees correct signal processing, frequency calibration, and seamless integration with the vehicle's existing electrical architecture.