Up for sale is my two month old DC cable from Sonore:
Designed to feed ultraRendu or microRendu with an Uptone Ultracap LPS-1 linear power supply.
I can confirm it works with SOtM sMS-200 and sms-200Ultra.
My price: $97 (all in to you - US only).
It retails for $140 plus shipping.
Dimension: L = 12" / 317.5mm
Power connector: dual 2.1mm x 5.5mm connectors
Price includes shipping (CONUS only) and PayPal fees.