The Bricasti M5 Manual says:
AES Output: SPDIF Output: USB Output:
44.1kHz-192 kHz PCM and DSD 64 as DoP, Wi-Fi or Ethernet
44.1 kHz-192 kHz PCM and DSD 64 as DoP, Wi-Fi or Ethernet
44.1 kHz-384 kHz PCM and DSD 64 and 128 as DoP, Ethernet only
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