The Shure ULX-D Digital Wireless Combo Microphone System delivers transparent, 24-bit digital audio transmission, uncompromising audio clarity, extremely efficient RF performance, secure signal encryption and advanced recharging. This system includes the ULX-D receiver, ULXD2 handheld transmitter with SM58 microphone capsule, ULXD1 bodypack and WL185 lavalier.</p><p>Both the transmitters and receiver are made of galvanized steel, making it rugged enough for any application. Its 24-bit / 48kHz digital audio fidelity, wide frequency response and 120 dB dynamic range result in an audio quality that's synonymous with wired microphones.</p><p>Its efficient and stable RF performance features up to 64MHz overall tuning range, support for 14 active transmitters in one 6 MHz TV channel and 60 compatible channels on one frequency band. The ULX-D's optimized scanning automatically finds and deploys the cleanest frequencies available and interference detection alerts provide instant confirmation when interference is present.</p><p>The system's 256-bit signal encryption sends RF signal securely. Additional features include intelligent Shure battery circuitry for efficient battery charges, comprehensive LCD displays, XLR and 1/4" phone balanced outputs, Ethernet network capability much more.</p>