My Atmos Monitor controller (Audient ORIA) - as much as I like it - somehow lacks in flexibility with the outputs. In case you don't need all 16 outs for a full 9.1.6 configuration (which I doubt will be the case with most people this device is targeted at), there is no way to repurpose the unused outs. These could actually be of great use, as often it is beneficial for a smooth bass response to use multiple subwoofers! Unfortunately, this is not supported with Audient ORIA and I hope they will make it possible with a firmware updated sometime soon ...

However, I am not counting on that to happen, so, I am looking for other ways to make two subs work. Turns out, I am almost there, as I use Neumann DSP Monitors and these have their own ma 1 calibration system, which would allow me to calibrate up to 4 subs in a surround setup even with just one LFE output on the interface!

The only problem: I need to split the output coming from the interface to two subwoofers. And to make it worse, I actually would like to use the digital AES outs from ORIA going to the SPDIF ins on my Neumann DSP speakers. I'd prefer that because with the analog outs I would add two additional conversions and the latency would also be slightly higher.

I know how to configure the adaptor cables from AES (XLR) to SPDIF (coaxial)! But I have never heard of splitting an AES cable to two destinations. Is this possible with a Y-cable? Or would I need an active splitter of some kind? Could you recommend something? I hope to find something that does not induce any additional latency. To make things even more complicated, Neumann requires you to use a special adaptor from AES to coaxial, as the use some weird BNC coaxial connector for the SPDIF input instead of the usual chinch cable:

https://www.thomann.de/de/neutrik_nadit_bnc_f.htm

This is specified in the manual of the Neumann KH750 DSP.

Can anybody help how to split that signal to two (or possibly even more) subwoofers?

Thanks!

Any video distribution amp will do this... the whole point of S-PDIF was that it was designed to use existing video infrastructure. A sync DA is better than a standard video DA but a standard video DA will be fine. Convert from AES/EBU to S-PDIF with one of the Canare transformers and run into a DA.
--scott

Is it as simple as this? (preferable to me, as these are cheap and I would not have to buy another to the Neutrik adaptors for more than 50 bucks each ...)

https://www.amazon.de/Superbat-Split...6GW9CBRBT&th=1

Or should I buy an AES digital splitter (more expensive, but acceptable if necessary ...)?

Ooh, you were fast! Thanks!

Something like this?

https://wie-tec.de/4-fach-video-dist...splitter-vda02

...or check out sonifex format converters.

Damn, ddy beat me to it.

I have several 1 AES in to 6 AES outs from them. (Sonifex red box)

One or two of those get converted to spdif.

...here's one of mine (which gets used in venue where i'm occasionally working):

The format converter will actually change the subcode bits properly so you can go from professional to consumer subcode... but you probably can get away without having to do this. The format converter is a handy and wonderful tool and will do this job well but a lot more expensive than an old junk DA and some Canare adaptors.
--scott

reminds me of how expensive my madi/aes-converters were at the time (otari, euphonix, rme)...

Alright! Thank you, everyone! I think I will try with an inexpensive video distribution amp first.