Pre-configured for out-of-the-box use NETGEAR IGMP Plus™ enables instant multicast functionality for most AV over IP installationsDedicated AV web-based GUI interface Unique interface designed for the AV professional with color-coded, port-based profilesProfiles for common audio protocols Quickly assign profiles to ports for Dante, AES67, and AVB audio configurations. AVB Requires a separate licenseVideo profiles built-in Special profiles for NVX, SVSI, Q-SYS and Dante video profiles can be easily assigned to ports as neededUnique Automatic Configuration Auto-trunk and auto-lag functionality automatically configures other M4250 switches for use in star topology.Easier configuration with new AV GUI The AV-oriented, web-based GUI permits factory or user-specified profiles to be assigned to individual ports as needed.Use in noise-sensitive environments Adjustable fans can be turned off if certain conditions are met. Even the default Quiet mode is quieter than most other switches.Get up and running fast with little engineering time required Our NETGEAR IGMP PlusTM feature is set from the factory to ensure out-of-the-box functionality for most AV over IP installationsMultiple mounting options provide ultimate flexibility Threaded mounting holes sized to industry standards are built into the chassis for mounting behind a display or clamped to a truss.M4250 AV Line Switches An entirely new series of switches developed and engineered for the growing AV over IP market.