# PS Audio CD Transport clarification

**URL:** <https://forum.psaudio.com/t/ps-audio-cd-transport-clarification/24636>\
**Category:** Transports\
**Created:** [July 20, 2021, 7:19pm UTC](https://forum.psaudio.com/t/ps-audio-cd-transport-clarification/24636 "2021-07-20T19:19:45Z")\
**Posts on this page:** 1\
**Showing post:** 18

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**Author:** ![Paul](https://sea1.discourse-cdn.com/flex015/user_avatar/forum.psaudio.com/paul/32/6_2.png) [@Paul](https://forum.psaudio.com/u/Paul)\
**Post date:** [August 16, 2021, 1:38pm UTC](https://forum.psaudio.com/t/ps-audio-cd-transport-clarification/24636/18 "2021-08-16T13:38:00Z")

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The DMP required a digital handshake with a PS Audio DAC through its I2S inputs. The PST does not require that same handshake and thus will work through any compatible I2S input DAC. Not all DACs properly handle our I2S interface, but for those that do it should work fine.

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