Genuine OEM Citroen Aerial Amplifier, part number 9813334780. This electronic module is designed to boost the signal received by the vehicle's radio antenna, ensuring stronger and clearer reception for FM and other radio bands. It plays a crucial role in maintaining high-quality audio for the infotainment system. Weighing approximately 0.024 kg, this compact unit is an integral part of the vehicle's audio system. Choosing a genuine OEM amplifier ensures correct signal processing, impedance matching, and compatibility with the vehicle's electrical system, preventing interference and maintaining optimal radio performance.