Digital audio expander can transfer audio into or out of the system. Typical applications are room connection and audio distribution. Basic functions; automatic gain control; audio input channel for conference language and simultaneous interpretation language channel; audio output channel (16 bit 44.1 kHz) for conference language and simultaneous interpretation language channel; flexible voice allocation for conference language and simultaneous interpretation language channel The digital audio expander is configured via the display and a single knob. The installation personnel can assign a unique name to each digital audio expander for identification. The audio input and audio output are monitored by reading the VU meter. Earphones can be used for monitoring ·19 inch (2U) chassis suitable for desktop or rack mounting, convenient handle, power control and indicator lights via optical fiber network, 2 lines of 16 character LCD display for status and configuration of audio expander, knob for browsing the front panel of LCD menu interconnection components · One stereo jack headphone output 3.5 mm (0.14 inch) back panel * two fiber optic network connection ports for CCU connection, two 3-pin XLR AES / EBU stereo input ports for 2 audio channels input, 2 lotus SPDIF stereo input ports for 2 audio channels, and 2 3-pin XLR AES / EBU stereo input ports Stereo output port for 2 audio channels output, 2 lotus SPDIF stereo output ports for 2 audio channels, 8 control contact input ports for enabling audio input and audio output, 5 control relay output ports for indicating channel occupancy status certificate and recognized region certification European CE accessories quantity Part 1 Prs-4dex4 digital audio extender 1 bracket kit for 19 inch rack mount 1 pin Kit 1 connector kit technical specifications electrical specifications power supply voltage 24 to 48 VDC power consumption 6 W frequency response 30 Hz – 20 kHz thd < 0.5% mechanical index for desktop use or 19 inch cabinet size (H x W x D) Desktop mount with legs 92 x 440 x 400 mm (3.6 x 17.3 x 15.7 inches) 19 inch cabinet mount with bracket 88 x 483 x 400 mm (3.5 x 19 x 15.7 inches) bracket front 40 mm (1.6 inch) back 360 mm (14.2 inch) weight 6 kg (13.2 lb) color carbon gray (pH 10736) and silver white order information PRS ￣ 4dex4 Digital audio expander digital audio expander transmits external audio into and out of the system. Order No. prs-4dex4

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