Lumin upgrade


I’m thinking about upgrading my Lumin U2 mini to the new Lumin U2, and would like your feedback.

My current front end is comprised of the Lumin U2 mini, powered by an SBooster LPS. It’s fed Qobuz via Ethernet from an optical cable coming from a Cisco switch, (converted to copper Ethernet just before the mini, using a cheap converter box with a Jameson LPS wall wart and a short Furutech CAT6 cable).

I’m using an Audioquest Coffee USB cable to feed a Benchmark DAC3 HGC, which runs balanced into a Benchmark AHB2 amplifier. The AHB2 draws current from a separate 20A power line, and uses Kimber cable speaker cables to drive a set of ATC SCM40s.

My listening space is about 16’ wide, with a 35’ length, and has basic treatments at first reflection points, on the ceiling above the listening position, as well as corner bass traps. I listen to pop, mid-later century rock, vocal and combo jazz, and some folky stuff too, usually at moderate (70-75 dB) levels.

My question is, will the upgrade to the Lumin U2 provide a substantial improvement to the sound (soundstage, smoothness, depth, etc), and, is my system resolving enough that I’ll be able to hear it? I do have mild tinnitus in my left ear, with commensurate HF loss, but most days my hearing is still quite reliable.

I was considering an Aurender as my next upgrade, but then saw the new U2 (with excellent price/trade-in for my U2 mini from a local dealer), so thus the questions.

Thanks to all in advance for any advice/opinions.



op we were lumin dealers for many years.


we have had numerous clients who have traded in their Lumins for a 432evo music server this is a purpose built usb only modular music server designed to run Roon

our servers better aurender and are fully modular and upgradable,


dave andTroy

audio intellect NJ

US Importers 432evo music servers




















Thanks for the links/info Audiotroy. I appreciate it.

At this point in my audio journey, I’m happy to stick with the Lumin line, and the dealer I purchased the U2 mini from is offering an excellent trade-in value. The dealer has offered an in-home testing period of one week, which gives me an option to go on a different direction if need be.

I hope that the U2 will provide a substantial increase in my system’s SQ.


Keep us informed of your assessment. I have the U2mini and may want to go that way myself.

I'd be curious how the U2 improves on the excellent U1 in the real world but Lumin has always been excellent, so can't see how one could go wrong.