The Shure ULXD2/K9HS=-G57 Handheld Transmitter with KSM9HS Capsule is a premium digital wireless microphone solution engineered for professional live sound, broadcast, and high-end performance applications, combining Shure’s advanced ULX-D wireless technology with the renowned dual-diaphragm KSM9HS vocal microphone. Operating in the G57 band (470–616 MHz), the ULXD2 transmitter delivers 24-bit/48 kHz digital audio with ultra-low latency, wide dynamic range, and exceptional RF efficiency, supporting AES-256 encryption for secure transmission and extended frequency coordination for dense multi-channel environments. The included KSM9HS capsule offers switchable hypercardioid and subcardioid polar patterns, providing precise control over proximity effect, superior off-axis rejection, and excellent feedback resistance, making it ideal for both powerful stage vocals and nuanced studio-quality performance. Rugged yet lightweight, the transmitter features an intuitive backlit LCD screen, easy IR sync with ULX-D receivers, and up to 11 hours of operation with Shure SB900A rechargeable batteries or AA cells, ensuring reliable performance in demanding, professional environments.