ProX T-P4 Rack Panel Blank 4U Space haze machines for example

for example

and extra custom cable which allows the use of the original Spin fader to balance the Aux and Vinyl sound

this is the way to go

On top of that

Its feature set also includes four balanced microphone and 1/4" TRS inputs

ProX T-P4 Rack Panel Blank 4U Space haze machines for exampleThe ProX T P4 is a 4U rack mount blank panel designed to cover unused spaces in standard 19 inch equipment racks. It provides a clean and professional appearance while helping protect internal components from dust and debris. Constructed from durable steel, the panel offers long lasting reliability and maintains rigidity when installed in demanding rack environments. Its simple design ensures quick and secure mounting using standard rack hardware.