Listening to open-backed headphones and speakers simultaneously?

There is a headset that many people are using recently, it is Naenka Lite Pro, which uses Qualcomm 3040 chip and Bluetooth 5.2, low latency. I have been using it recently, and the current experience is very good.

Funny you ask!  I was listening once and all of a sudden I had significant more sound and my wife was looking at me with a troubled glare….  Apparently I somehow unmuted the amp and the speakers were blasted lol.  But I didn’t really note anything significant about what I heard.

Caught myself listening simultaneously, and enjoying it. Adds width to the sound field. I remembered this post. My set up: Desktop speakers: Monsoon MM-2000. Headphones: Hifiman Ananda. RME AD-2 DAC used as dac and as amp for both my headphones & desktop speaker system. YMMV :)