Concert XD2 is a two-channel digital wireless handheld system for vocal performances and multi-performer presentations. Operating in the license-free 1.9 GHz band, it uses the SheerSound codec to deliver ultra-low latency and high-fidelity audio. The kit includes two handheld transmitters with Q8 dynamic capsules and a half-rack receiver with independent outputs (two XLR and a selectable 1/4" TRS mix output). System latency is 7.7 ms and range reaches 100 m.