Genelec GLM.SE Multiroom Expansion Package has been discontinued, here are some related products you might like:
The GLM™ Genelec Loudspeaker Manager is a loudspeaker control networking system that offers capability to control all system parameters as well as the possibility for detailed acoustical alignment of every loudspeaker in the system.
The GLM™ software and control network enhances further the performance of the 8200 series loudspeakers and 7200 series subwoofers. It features adjustment of levels, distance delays and flexible room response improvement equalization as well as Symmetrical Placement EQ™ with the reliable and robust AutoCal™ automated calibration system via the GLM™ control network.
The GLM software is sold with a site-license permitting installation into multiple rooms. The GLM DSP Multiroom Expansion Package delivers a GLM Network Interface, USB cable and Network cable for installation into one additional room. Each additional room needs a multiroom expansion pack.