What don’t you like about the Arctis 7?
I currently use Logitech G533 and they are a solid choice. Excellent range, excellent battery life, and the flip up mic boom is unobtrusive and works well. No complaints about chat volume or clarity. I can get near 40ft of distance before they start to drop out. The only thing I don’t love about them is there is no adjustment for mixing the chat/game volume, but this can be done through software. It’s usually not an issue for me. Lastly, there is plenty of volume on these.
I’m a Sennheiser fan, but the GSP 670 has not gotten such great reviews.