The Grimm Audio LS1i USB Interface is used during the initial setup of the LS1 system and/or whenever changes need to be made to the configurations of the monitors.
The Grimm Audio LS1i can be used to play audio from the computer directly into the LS1. Mac’s have native support, PC’s require a special driver. The LS1i can also be used as generic USB audio interface by people that need a high performance two channel digital audio interface.