4X2 SPDIF Digital Audio Matrix


THE SMA-AM402 enables users to manage four digital audio signals (SPDIF over Fiber Optic) across two digital audio outputs. By using the latest in digital connections, the device delivers high quality audio, with numerous audio formats supported, including DTS-HD, Dolby-TrueHD, LPCM2.0, DTS, Dolby-AC3 and DSD. As A/V products continue to move to the digital realm, this digital audio matrix provides a simple plug-and-play solution for digital audio.

Product Features and Benefits

  • Four SPDIF fiber optic inputs and two 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

Width5 in (127 mm.)
Height1.3 in. (33.02 mm.)
Depth2.6 in. (66.04 mm.)
Weight0.4 lbs (0.18 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 Humidity5-90% RH, Non-Condensing