AirLine XR is a compact 2.4 GHz digital wireless wind instrument system designed for horn players. The XH1 clip-on transmitter with HM60 condenser mic mounts directly on the instrument bell, while the XR1 plug-in receiver connects to a mixer via XLR input. It offers 100 ft line‑of‑sight range, up to six hours of rechargeable battery life, USB‑C charging, variable gain, and a one‑touch mute for fast gigs.