Intermodulation Distortion (IMD) occurs when two or more signals interact in a non-linear system, creating additional unwanted frequencies. This distortion can affect audio equipment, radio transmitters, and other electronic devices, leading to a degradation in sound quality or signal clarity. IMD is particularly problematic in audio systems and communication devices, where it can introduce noise and interfere with the desired signals. Understanding and minimizing IMD is crucial for engineers to ensure high-quality performance in various applications, from music production to wireless communication.