So after a few days, I have some initial impressions. I think it’s settled in and I don’t feel much is changing, but if it does I’ll report back.
Overall I think its a solid amp, especially for the money. The build is Schiit’s typical build so you know you’re not paying for that, but sound wise, I think it’s pretty good so far. I like the options of push-pull class A or single ended class A and the feedback option. Feedback is a nice option to change the output impedance. Sometimes the output impedance option makes sense and other times it doesn’t, meaning it’s more about using your ears and choose your preference. For example, I like having it on to lower the impedance for the D8KP LE and I prefer it off when using the Diana V2.
On high gain I don’t go past 9:00 on the vol. This has plenty of juice for most headphones. That’s using the D8KP, Diana V2, HD800S. Obviously the Utopia doesn’t even get close, actually use it only on low gain. Utopia isn’t terrible off the Mjolnir but I think there’s better options here to use. I’ll go back to the bliss a little more but I think from memory the Utopia is better off the Mjolnir. Oh and I wish the pot was better… having the vol right is so important and with the power available and with the headphones I use it would be a solid improvement.
Majority of my listening has been with the D8KP LE and HD800S. Then the V2 (more today though), and very little with Utopia.
The MJ3 has this raw signature to it. Hard to put into words, but seems more analog than the bliss. The bliss is nice and I think it’s probably more refined than the MJ3, but sometimes I think it’s a little too refined? Meaning things can be a bit smoothed over? If that makes sense… This is also nitpicking because I don’t mind the bliss’ signature. Bliss definitely has more of a mid bass bump to my ears, off my chain. I think this is to help the Sus out (it was basically designed with it in mind from what I hear?). Maybe the mid bass bump on the bliss causes the smoothness in the mids at times? IDK? not terrible tho just trying to describe some differences on the two. And the bliss may have better clarity (this is very small to my ears) and layering but it’s not killing the MJ3 IMO.
Back to the MJ3, guitar strings sound nice and crisp. Lower guitar notes have a nice weight and body to it. Snares smack hard. Kick drums sound accurate to me. I feel this has a really nice impact to it. I don’t find the low end too bloated, especially into the mids. I think the low end is done nicely. Nice punch and solid weight to it. Reverb is pretty great to my ears. The way it travels into the distance is pretty cool. It’s like you can get a sense of the room/area they’re playing in. I don’t have any complaints about the stage, I think it’s pretty good. Bliss may be a touch better at depth but this could be on the recording too. Still it’s not bad at all on the MJ3. As far as the size of the image presentation, I don’t think it’s too small. I’ll have to listen to the bliss and compare, but from memory and compared to the EC, I don’t think it’s bad. Clarity is pretty good too. I find this picks up some really subtle mirco details as well (shuffling, people moving on stage/in room before the music starts, crowds, etc). I was surprised by this. I wasn’t expecting the clarity and mirco details to be that good (I understand these are two separate things but I feel it’s easier for me to put them in or around the same category 
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And it has a very surprising black background. I don’t hear anything on my chain. No hum, noise, etc. just quiet. With music off, I can crank it all the way up and nothing but silence. Very nice noise floor.
