UB1 is a surface-mount condenser boundary microphone with an omnidirectional pickup pattern and USB connectivity for direct computer recording. As a class-compliant USB device, it works with Mac OS and Windows. The zinc body and steel grid provide durability for conference rooms, houses of worship, and classrooms. It supports 16‑bit, 44.1–48 kHz audio, a 30 Hz to 18 kHz frequency response, 127 dB max SPL and 103 dB dynamic range. A 10 ft USB cable is included.