Seeking permission to publish product images in upcoming textbook

Contributor - Level 1
I am completing a book on music technology, which will be published by Oxford University Press. I am hoping to include an image of the Behringer Ultrapatch Pro PX3000 and a screenshot of the Behringer X32 app.

I am not sure how to get into contact with the right people to get proper permissions. I submitted a query online a few weeks ago, but I'm not sure if care@music-group.com is the right place to direct something like this.

I expect the legal department would be the people who could do this, but I don't see a way to contact them on the website.

I'd appreciate any guidance on how to direct a permission request. Thank you.
Mark Ballora Penn State University