Genuine OEM Audi Antenna Amplifier, part number 4KE035225B. This electronic module is designed to boost signals received by the antenna, enhancing clarity and range for various vehicle communication systems. It is located in the rear left section of the vehicle. Weighing approximately 0.056 kg and measuring 0.115m in length, this component ensures precise signal amplification. Choosing a genuine OEM amplifier guarantees perfect compatibility and reliable signal processing, critical for maintaining high-quality audio and communication within the vehicle.