4-Port Optical Audio Switch



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The SMA-AM44 enables to users to manage four digital audio signals (SPDIF over fiber optics) across four digital audio outputs. By using the latest in digital connections, the device delivers the utmost in quality audio, with numerous audio formats supported including TS-HD, Dolby-TrueHD, LPCM2.0, DTS, Dolby-AC3 and DSD. As A/V products continue to move into the digital realm, including the latest Blu-ray players, for example, this digital audio matrix provides a simple plug-and-play solution for digital audio routing.

Product Features and Benefits

  • 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

Product Diagram

Width7 in (177.8 mm.)
Height1.1 in. (27.94 mm.)
Depth2.6 in. (66.04 mm.)
Weight0.8 lbs (0.36 kg)
Support audio formatDTS-HD, Dolby-TrueHD, LPCM2.0, DTS, Dolby-AC3, DSD
Peak wavelength650nm
Max baud rate16Mbps
Max working current100mA
Power adapter formatInput: AC (50HZ, 60HZ) 100V-240V; Output: DC5V/500mA
Operating Temperature32-104°F (0-40°C)
Operating Humidity5 to 90% RH, Non-Condensing
UPC / EAN Barcode icon
UPC 813280023207
EAN 0813280023207