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Digital-to-analog audio converter: switch four digital stereo audio inputs into two analog stereo audio outputs.

  • Two Toslink digital audio inputs and two Coaxial digital audio inputs
  • One Toslink digital audio output, one RCA stereo output and one 3.5mm headphone output
  • Supports 192KHZ/24bit DAC
  • Supports Dolby AC3, DTS, THX, HDCD and LPCM for SPDIF output
  • Automatic identification of input signal format
  • Input status indication for easy trouble shooting

  • Home Theatre
  • Control Rooms
  • Production Studios
  • PA Systems
  • A/V Presentations
  • Meeting Rooms

Analog Audio Output Support audio format PCM/LPCM
DAC sample frequency range 32~192 KHz
DAC Bit rate range 16~24 Bit
Digital input level 0.1~1Volts p-p
L/R output level(1kHz@0dB) 1V RMS
Headphone output power (1kHz@0dB RL=32) 30mW
SNR @ 0dB(CCIR/ARM) 90dB
Distortion 0.1%
Frequency response 20Hz~20KHz
Max working current 100mA
Power adapter format Input AC 100V~240V 50HZ/60Hz, DC5V/1A
Operating Temperature range -10 to +55℃
Storage Temperature range -20 to +60℃
Operating Humidity range 10 to 90%RH (No Condensation)
Storage Humidity range 5 to 95%RH (No Condensation)
Case Dimension (L x W x H) 3.3″ x 2.4″ x 0.8″
Weight 0.28 lbs

This is an example of what a setup would look like.
For more detailed information on specific models, call the number in the upper right corner of your screen.

Part No. Description
SMA-AD400S 4-Port Digital Aud io Switch with Integrated Analog Converter
Includes: [SMA-AD400 and PS5V1A).


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