I bought a couple of these glass shelving units
I like that they look super classy and were easily stackable.
This is what I use for my setup and it’s fantastic, along with looking classy.
It’s from Amazon! Here’s a direct link: https://www.amazon.com/dp/B06WLL76VB/ref=cm_sw_r_cp_api_i_.a1PCb6YFKBE0
They make all kinds but it's just shelf for your audio gear.