True Diversity Wireless Communication Technology: D31-Pro adopts advanced low-power UHF band true diversity wireless communication technology in the industry, providing high-quality wireless audio transmission. It can be widely used in interview recording, short video recording, online live broadcasting teaching training and other wireless sound transmission fields.
Precision Noise Reduction Recording: D31-Pro features the latest noise cancellation technology, delivering a clear video recording experience. Exceptional audio quality eliminates your concerns about noise even in noisy environments. Multi-functional modes (mixing, stereo, secure audio track, noise reduction) cater to diverse professional scenarios.
250-meter Operating Range: D31-Pro is a true diversity professional microphone that employs UHF ultra-high frequency radio wave technology and dual antenna design, enhancing anti-interference capability to ensure stable signal transmission and clear audio recording. The microphone system's operating range reaches up to 250 meters in open areas.
Real-time Audio Monitoring: Connect your favorite headphones to the 3.5mm headphone jack on the receiver for real-time audio monitoring during recording. The daylight indicator on the transmitter displays volume, battery status, and channel information, while the indicator on the receiver shows transmitter connection quality and battery status.
Flexible Channel Selection: With 40 selectable UHF channels (20 in A channel and 20 in B channel), tailor the channels to your needs for flexible customization. Quickly change channels to avoid interference when other nearby channels are disrupted.
Built-in Recording Memory: Press the SET button for 3 seconds to activate or deactivate the built-in recording function, offering approximately 8GB of storage for up to 100 hours of recording. Export recording files via a Type-C data cable for backup purposes. The built-in recording feature supports automatic cyclic storage/deletion. 
Extensive Compatibility: Compatible with DSLR cameras, XLR cameras, iPhones, Android smartphones, laptops, and PCs. It can be widely used in professional settings such as YouTube live streaming, Vlog recording, interviews, hosting, and podcasting.