Whats diff between. Ht bypass vs using a passive connection-unity gain


Some preamp manuf adverise ht bypass, and some say u can use a passive output(unity gain).

whats is difference in terms of connectivity and how wiring is handled inside preamp?
jumia
The free trial period is 15 days. Please let your friend, emergingsoul, who had an identical problem know that there is plenty of time to return his Schiit.
Emails i have received reflect same comments as on their website.

why drussell are you so protective of this co?
Why is it so scary for them to state ht language in manual, if they did would it be so bad?  Its already clear they support ht use.  
Warnings of a products dangers serve to clarify finctionality.  Why is this a bad thing to do???
Show us the e-mails. Otherwise, you're just making it up.
Because they have done nothing wrong. Why are you so against this company?
It's not a HT product. It can be if the user knows what they are doing. There is a difference.
Warnings are on page 2 of the owner's manual.
If you don't know the dangers of maximum volume, you should not be using this product.
The words "home theatre" are not in the owner's manual for the Schiit Freya. Their Schiit is fairly straightforward. 
How do i share emails.  Email states what website says.  Device is marketed as a ht bypass capable solution.  Is this wrong?

We all agree it can be dangerous to hearing.  Its easy to make a mistake, and u risk serious harm to hearing..  not good for family to use with ht system.  Schiit should emphasize risk, they dont do a good job.