Concert XD2 Presentation is a two-channel digital wireless system for presentations and education. Operating in the license-free 1.9 GHz band, it delivers low-latency, high-fidelity audio with the Sheersound codec. The kit includes two beltpack transmitters with LM10 lavalier mics and a CRXD2 half-rack receiver with rackmount kit, two AA batteries operation, and up to 8 hours runtime. It features 7.7 ms latency, 48 kHz sampling, independent XLR outputs, and a 300 ft line-of-sight range.