The Shure ADTQ Axient Digital PSM Quad Transmitter is a high-density in-ear monitoring transmitter designed for the Axient Digital PSM ecosystem. Housing four independent transmitter channels in a single rack space, the ADTQ maximizes RF efficiency and operational scalability for large touring productions, festivals, houses of worship, and broadcast environments. Advanced digital transmission technology provides exceptional audio quality, low latency, and industry-leading spectral efficiency.