The MI-909T is a UHF digital stereo in-ear monitor transmitter designed for professional stage applications. It delivers uncompressed digital transmission with ultra-low latency and pristine audio quality. Featuring stable long-range performance suitable for complex multi-system environments, it offers selectable RF power output (LOW/<10mW, HIGH/<100mW) to accommodate varying stage distances and regional regulations. The transmitter provides 16 preset groups with 216 channels, accessing an extended pool of 2,560 frequencies for demanding deployments. Audio inputs include two XLR/6.3mm TRS combo sockets supporting balanced/unbalanced sources with high dynamic range (> +26 dBu). Additional features include 3-step ±9 dB EQ, backlit LCD interface, digital rotary knob, and secure transmission via static/dynamic digital encryption assignable by group or channel.