Looking for one of the 1:1 ISO-MAX, thought what I wanted was the PO-2xr but as someone just pointed out to me, I might actually want the PI-2XR. I've read a few different things on here and around the interwebs about the 1:1 sounds better than the 4:1 like PC-2XR. From Jensen's site the PC-2XR is a "pro-to-consumer isolator", PO-2XR is "two channel output ground isolator", and PI-2XR is "two channel line input isolator". My use will be for converting the balanced output from Gungnir Multibit A1 to a rca for use with SE amps. Willing to admit I'm an idiot... but which one is actually what I want to be using while remaining 1:1 on the transformers? Any advice / experience is greatly appreciated! And finally...If by chance anyone has one laying around collecting dust please PM me! Was going to purchase new but finding one right now is difficult with Jensen saying covid is causing stock issues and they are only available for customer support not sales at the moment, also there seem to be none in stock anywhere else online I've found yet.... YET! Also considering having a friend help me build one with cinemags following Marv's helpful thread but my friend is busy and this could be a faster route. Would love to have one by the time my SW51+ shows up in the next month or so. Thanks!