OMNITRONIC AIRSIS 2.4G is a wireless XLR audio transmission system comprising a plug-on transmitter and receiver for dynamic microphones and line-level signals. It operates in the license-free 2.4 GHz band, supports 24-bit/48 kHz audio, and provides 5.8 ms latency with automatic pairing. The system has rechargeable lithium batteries, XLR mic/line connections, USB-C charging, and an operating range of up to 30 m with line-of-sight. Phantom power is not provided.