Dentist's Office, Coffee Shop, Small/Medium Cafeteria, Apartment Community Room, Mall Store, thousands of use cases. Luxury homes where the owners want the electronics for each room's inwalls hidden, less prone to failure by being unplugged/knocked around.These Topping TP lines have some identity crisis for sure. What the hell is intended market and use case?
Ask a small business/home integrator about the value of making fewer service calls because a clueless employee spilled coffee on a tabletop component. Rack mounting was originally designed to be a tool, not a decorative expression.