Expert RLINE is a control application developed by Expert Electronics for their Connect line of processors. This Android-based program allows users to optimize and protect their sound systems with ease.

With Expert RLINE, users can take advantage of various features to enhance their audio experience. The application offers channel routing, allowing users to configure the routing of audio channels to different outputs. Additionally, the program includes a general gain control, channel gain control, and polarity inversion, giving users precise control over the audio levels and phase.

Furthermore, Expert RLINE provides an input equalizer and channel equalizer, enabling users to fine-tune the audio frequencies to their liking. The program also offers a crossover feature, allowing users to split the audio signal into different frequency ranges.

To ensure the audio system's safety, Expert RLINE includes a limiter and delay feature, allowing users to set limits on the audio output and introduce delays if needed. The program also supports configurable presets, making it easy to switch between different audio setups.

Overall, Expert RLINE is a comprehensive control application for Expert Electronics processors, providing users with the tools they need to optimize and protect their sound systems effectively.