If you’re talking about the Sundara then I think it’s the HC-9 cable, dual 3.5mm. Each side (left/right) of the Sundara has its own plug. I think it’s 3.5mm but email Hart to make sure.
The other end of that cable is a mini xlr which attaches to the 2.5mm cable from the multi-kit.
Edit: This is all assuming we’re still talking about using the balanced connection on the 5K. If you have decided on a diffferent unit then you need to look at what connectors that unit has.
I normally email Hart to tell them what headphones I’m trying to connect to and they’ll pick the right cable for me.
Yup. Planning to start with the 5K and use its Bluetooth functionality, so may not need anything just yet. BUT - I do plan on grabbing something more powerful as well NOT of the Bluetooth varietal.
Both the Sundara and the Clear are dual 3.5mm.
Maybe I will just go all in with this mother: iFi Audio Micro iDSD Signature Portable DAC & Amplifier
The multi-kit 6 kit, the dual 3.5mm and we’re probably WAY overdoing it.
Apologies if you’ve covered this over this long thread, but for your portable needs, have you considered a digital audio player? For not very much more than the iDSD, you can get an Astell & Kern S25, which has WiFi built in, installed app for TIDAL and easy installation of other streaming services via APK apps, and generous internal storage plus the ability to store even more music on a Micro SDXC card, all in one device without the need for dongles/phones, etc. And they play wonderfully with Focals.
A very cool thought and part of this afternoon’s research already!
Well, that’ll certainly power everything without issue! 
In my opinion, It’s kind of the king of portables, along with the Chord stuff.
I went a little nuts on headphones.com (again!). I have grabbed that iFi Signature and some Blessing 2 IEMs for night time.
I am a terrible at “new” hobbies.
Congrats again! Hopefully you like what you’ve purchased. If you’re anything like a lot of us here, you’ll love the Clears and B2 for sure; they’re both tops in their price bracket in my opinion. The Sundara is also easily the best $350 headphone in my opinion, even beating out the HD 650 for my tastes. Oddly enough, the Sundara is long gone but I kept the 650 (6XX). 
I look forward to your impressions of everything.
@elliot asked above about the Dragonfly Red with the Clear and I said I’d give another similar dongle, my Lotoo Paw S1, a whirl with the Clear.
It gets plenty loud but doesn’t sound great. Resolution is average, not bad for the price but severely limiting what the Clear are capable of. Otherwise it has a bit of a flat, unengaging, insipid sound. It’ll be worse out of an iPad or iPhone as those devices don’t power the dongle as well. Not recommended.
(The Lotoo Paw S1 is great for BA IEMs, I suspect, certainly my Massdrop Plus and Andromeda 2020).
Looking for a cd transport to use with my Brooklyn DAC.
Does anyone have any experience with the Jays Audio CDT2-mk3 or mk2?
Wondering if it is worth the gamble.
Thanks so much! Think I have a lot to play with and learn between all these!
Audiolab 6000 cdt. Give it a whirl unless you’re already coming from a transport and want an upgrade
Cheaper than Jays and puts out an impressive sound quality.
Jays would likely be a better sounding transport but how much I don’t know. The 6000 is 1/5 the price and outdoes a lot of streaming options to my ear.
Edit: the mk3 is supposed to be a noticeable improvement over the mk2 regarding the Jays.
And now that I have gotten into headphones, I think I need to upgrade my horsepiss record player and get some decent at-home speakers. If possible, would be super cool to be able to connect headphones to the turntable OR larger speakers. Thinking Technics SL1200 for the turntable, but no clue on speakers.
Teach me.
What are you looking for in speakers? Small? Built in amp? Nearfield monitors?
I am looking for some help with surge protectors. I am in a storm-prone part of the U.S. and am looking for a surge protector for my Bifrost/Jotr/Sr1a. Do I want a regular surge protector or one with conditioning like this?
Thanks for the help!
I don’t use surge protectors. I just unplug electronics when a rare storm hits. Not many storms where I live in the desert.
Is it just power spikes/surges you need to protect against, or power-dips, brown-outs and/or momentary outages?
And is the gear you need to protect running all SMPS, all linear, or a mix of PSU types?
Unplugging in a storm is always the best approach, but can be a huge hassle (e.g. for me to isolate everything, I would have to unplug multiple network and power connections - in less than convenient locations). And if you’re not home when a storm hits, there’s not much you can do.
Depending on the answers to the first two questions, I can give you some suggestions.
Can’t really be massive, but not small by any means. Would sit next to the turntable on a 60”x18” cabinet. I don’t mind buying a separate amp but guessing that’s something I’ll need.
What’s your price range for the speakers? There are some very good offerings from Revel, Kef, Salk Sound, etc.