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4×4 Digital Audio Switch: manage 4 audio inputs and 4 outputs from one convenient box.



  • Four SPDIF fiber optic inputs and four SPDIF fiber optic outputs
  • Supported formats: DTS-HD, Dolby-TrueHD, LPCM2.0, DTS, Dolby-AC3, DSD
  • Supports signal retiming
  • Switching and control through front panel buttons
  • Retains memory of output configuration after powering off and on
  • Built in over-voltage protection
  • LED status indicator lights
  • No loss of quality
  • Plug-and-play ready
  • Home Theatre
  • Control Rooms
  • Production Studios
  • PA Systems
  • A/V Presentations
  • Meeting Rooms
Support audio format DTS-HD, Dolby-TrueHD, LPCM2.0, DTS, Dolby-AC3, DSD
Peak wavelength 650nm
Max baud rate 16Mbps
Max working current 100mA
Power adapter format Input:AC (50HZ, 60HZ) 100V-240V; Output: DC5V/500mA
Operating Temperature range (0 to +40 )
Operating Humidity range 5 to 90%RH (No Condensation)
Dimension (L x W x H) 2.6″ x 7″ x 1.1″
Weight 0.8lbs

SMA-AM44S Digital Audio SPDIF 4×4 Matrix


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