Innertron has developed a 900MHz band digital modulation (QPSK) wireless microphone system developed for the first time in Korea through the digital wireless microphone brand 'Vocallux' and the image system brand 'Vijumax', the A/V integrated solution all-in-one system, and 3 types of 4K Matrix. will be presentedVocallux's 'Digital Wireless Microphone Product' consists of a digital transmitter/receiver, a distributor, and an external antenna.A digital transmitter/receiver is a digital wireless microphone that quantizes general analog signals into '0' and '1' to perform digital modulation (QPSK) and demodulation, just like the expression digital.A technology-intensive dedicated audio codec was developed to realize high-quality sound quality and low latency (3.9ms) by sampling 24bit/48kHz.It is the only product in Korea that can use more than 20 channels simultaneously in one place without worrying about interference or interference in the 900MHz band.'Splitter & Combiner' of the Vocalux Digital Wireless Microphone family has functions such as 4/8 splitter, splitter/combiner function, RF level meter function, DC supply, broadband and narrowband, etc. Distributor can be selected and used.In addition, 'LPDA Active external antenna' can be used for 900MHz or 470~950MHz according to the frequency and environment used.Innertron's warranted equipment brand 'VISUMAX' includes AV integrated solution products and HDMI Matrix products.The 'AV Integrated Solution' can be used in various AV sites, non-face-to-face video conferencing systems, and smart classrooms.Audio mixer (8IN/4OUT), HDMI Matrix (4IN/2OUT), Digital Power amp (100W/4Ω) and dedicated DSP are built-in as well as integrated control (lighting and elevation, etc.) solution dedicated GUI for PC and portable devices. Easy to control.'HDMI Matrix' is an integrated product that supports 4K, enables Seamless, Scaler Audio Mux/Demux, IR control, and network control.It consists of a total of three products: 4x4 and 8x8 types for small, medium and large scales, and Full HD 4x4 types that support various Full HD formats with built-in Full HD seamless and scaler functions.