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03 - Matrix


Digital to Analog Audio Converter w/DoP

cypress DCT-40 cypress DCT-40 cypress DCT-40 cypress DCT-40


This digital to analog audio converter is designed to accept an optical or coaxial LPCM audio source and convert it to stereo analog audio with volume control. The audio processor supports decoding DSD over PCM (DoP) sources as well.

This product is great for audio archival or connecting analog speakers to digital sources. The maximum acceptable audio sampling rate for sources is 192kHz/24bits. Output volume can be adjusted from 0dB to -50dB.

This digital to analog audio convertor utilizes a DSP engine rather than software to prevent audio distortion during the conversion and additional effort has been made to reduce the chance of pops or noise when connecting audio sources.

Technical Specifications

Technical Specifications DCT-40
Input Ports1x Coaxial In
1x Optical In
Output Ports1x L/R Out
Function key1x FUNC key
1x IN key
1x "-" key
1x "+" key
Power Supply5V 2.6A (US/EU Standards, CE/FCC/UL certified)
ESD ProtectionHuman Body model:
±12kV (air-gap discharge)
±8kV (contact discharge)
Dimensions50 x 85 x 22.5mm (H) Jacks Excluded
51 x 98 x 22.5mm (H) Jacks Included
Weight62 g
Chassis MaterialPlastic
Operating Temperature0°C~40°C / 32°F ~ 104°F
Storage Temperature-20°C~60°C / -4°F ~ 140°F
Relative Humidity20~90% RH (no condensation)
Power Consumption0.63W

Main Features

  • Optical and coaxial digital stereo audio inputs
  • Converts digital stereo audio to analog stereo audio
  • Automatic audio sampling rate detection supporting a maximum sampling rate up to 192kHz
  • Automatic PCM/DoP audio format detection
  • Analog stereo L/R output up to 2Vrms for connection to powered speakers or amplifiers
  • Supports manual volume adjustments from 0dB to -50dB in 1dB increments
  • Contains a "de-pop" function to eliminate the pop noise often heard when plugging in audio sources



User instruction manual for DCT-40


CE Conformity document for DCT-40
CE Conformity

High Resolution Images

Download here the available Hi-Res images of DCT-40.

cypress DCT-40 cypress DCT-40 cypress DCT-40 cypress DCT-40
cypress DCT-40 connection scheme


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