Channel Re-Assignment MRX Series Receiver channels can be assigned in many ways. Unused amplifier channels can be re-assigned to Bi-Amplify demanding front speakers, power surrounds, presence speakers, or a second zone (Available on MRX 1140 and MRX 740). Configure amplifier channels for your system's needs, then perfect the presentation with ARC Genesis. Robust Integration The Anthem MRX 540 features external control and IP control capabilities for easy customization and compatibility with third-party integration solutions. It offers IP control capability for major third-party control devices including: Design At Anthem, we have one simple goal – to design, engineer and manufacture audio/video products that deliver premium performance and convenience at a reasonable price. We do this by spending thousands of hours selecting and testing components, carefully designing our own circuit topologies, and backing them with robust power supplies that ensure maximum long-term quality and reliability. We achieve this with our team at the Paradigm/Anthem Research Center and their decades of combined experience.