The Shure ADX Frequency Diversity Handheld Transmitter with KSM9 Microphone is a cutting-edge wireless system designed for professional audio applications. It features Shure's Frequency Diversity technology, which simultaneously transmits two independent signals on different frequencies, ensuring a highly reliable and interference-free performance. The KSM9 microphone capsule offers exceptional vocal clarity and accuracy with switchable polar patterns (cardioid and supercardioid), allowing it to adapt to various acoustic environments. The transmitter is equipped with a sleek, durable metal body, an OLED display for easy monitoring, and integrated advanced encryption for secure audio transmission. Additionally, its rechargeable lithium-ion battery provides extended usage time, making it ideal for live performances, broadcast, and other demanding environments.