The Genelec 9310BM Wired Volume Control For GLM 2.0 is a sleek and compact volume controller designed for use with monitors and subwoofer connected to the GLM 2.0 network. The simple streamlined design provides a quick and easy way to control the volume of your monitoring network allowing you to control all the volumes of the various subs and monitors simultaneously. It is the ideal hub for controlling all your volume in one single unit. The controller includes a 3.5mm stereo male connector for easy connection to the GLM network adapter. Specifications Compatibility: Controls volume of sub/monitors connected to GLM 2.0 network adapter Product Code: 9310BM