Sony UTX-B40 Wireless Lavalier System (UC14: 470542 MHz) | UWP-D Audio Transmission, NFC Pairing & Extended Runtime + AA with Charger + Cable Ties + More

Items Include: Sony UTX-B40 Wireless Bodypack Transmitter with Omni Lavalier Mic (UC14: 470 to 542 MHz), AA Batteries, Cable Management Ties, Mic Cleaner, Cleaning Cloth
Compact wireless bodypack transmitter designed for use with Sony URX-P40 camera-mount receivers. Lightweight yet rugged all-metal construction ensures durability in demanding field conditions while remaining comfortable for talent, making it ideal for interviews, documentaries, and professional video production.
Delivers clear, natural audio using analog UHF transmission enhanced with Sony digital audio processing for improved speech intelligibility. Includes an ECM-V1BMP omnidirectional lavalier microphone optimized for vocal clarity, allowing flexible placement and consistent sound even with subject movement.
Operates across a wide 72 MHz UHF bandwidth with 2,772 selectable frequencies and selectable 5 or 30 mW RF output power for reliable performance up to 330 feet. Backward compatibility with Sony UWP and WL-800 systems supports flexible multi-system workflows.
Features NFC Sync for fast pairing, Auto-Gain and +15 dB boost modes to prevent distortion, and a bright OLED display for clear monitoring. Powered by two AA batteries for up to 8 hours or via USB, with low-cut filters and programmable mute for added control.