The Tidal MQA unfold is only the first step. To hear the MQA full quality you need the MQA hardware.

@FiiO What about the MQA? Do you intend to support it one day?

WA11 topaz + IER-Z1R ?

@HiFiGuy528 Mike, do you plan the MQA support for WA11 one day?

A new review: https://www.cnet.com/news/listening-test-sennheisers-iconic-headphone-comes-in-for-a-makeover/

A "What Hi-Fi" HD 820 review. https://www.whathifi.com/sennheiser/hd-820/review

A nice new companion and not only for HD820… from Sony. https://www.sony.com.hk/en/electronics/walkman/dmp-z1

But even with the Explorer² the MQA sound quality is much better than the sound quality of the not MQA files.

Yes, it works. My Explorer² indicates the MQA with the blue/green LED and the sampling with the white LED(s). My PHA is the early type. It indicates the MQA and the sampling with a white LED(s). From Meridian: "When the Prime Headphone Amplifier (PHA) was first released, the 4th white LED...

For the sample go to the Onkyomusic

It was not necessary for me to bypass the PSU.

Meridian does not suggest WASAPI. Have you turn the exclusive mode on?

World First - Meridian Firmware Update Enables MQA Playback     https://www.meridian-audio.com/news-events/world-first-meridian-firmware-update-enables-mqa-playback/

@jude Hi Jude, have you tried the HE-1000  with the Meridian PHA?

Hi, the very first USA MQA Event:   http://www.stereophile.com/content/meridian-dem-mqa-audio-high-thursday   http://www.audiohigh.com/MQA-Release-Event.php

A very good question :) !

Hello Rob, to sum up: 2 Qute DAC is as good as Hugo TT DAC and  needs neither a special USB cable nor a linear power supply. Is it correct?

Well... HD 800 + HDVD 800 + CH 800 S (balanced cable for HD 800) = 3000$ HE-1000 = 3000$   ???, but who knows.

Hello, I'm interested to test the HE-1000 headphones. I use the HE-560, Sennheiser HD600 headphones and Meridian Prime Amplifier with Meridian Prime Power Supply, AudioQuest Diamond and Coffee USB Cables, PC Computer, JRiver 20 Media Center. I listen to Jazz, Classics, World, Rock ( ca. 2000...

@jude Great! :)

Hi Jude, do you think that Meridian Prime will be a good match for HE-1000 ?

Hello Jude, could you one day try them with Meridian Prime and compare them in this set with the HE-560, please :) !!!