Solved! I want a deck or something like you see in the picture where can i find stuf like this

[MysteryFade]

 

[helpstar]

Have a look at some classified websites

https://www.giantfocal.com/blog/top-12-free-ad-posting-sites

 

[hang-the-9]

Those are called audio mixers.

 

[americanaudiophile]

If you don't need to hear two sources or more at the same time you need an input selector switch.
https://www.ebay.com/itm/Mini-4-cha...AUX-Selector-Headphone-Splitter-/252288843564
If you want to hear more than one source at the same time you will need a mixer with 3 stereo inputs, headphone jack, and line level output for the powered speakers.
https://www.amazon.com/Rolls-MX51S-Four-Channel-Stereo-Mixer/dp/B0002BG2S6?ref_=fsclp_pl_dp_1
You could make a passive one.

Passive 3 Input Stereo Mixer

Passive 3 Input Stereo Mixer: This instructable will show you how to build a simple stereo mixer. Though this box has only 3 stereo inputs, you could easily upgrade it to as many as you need! I wanted to build this box to connect multiple audio inputs into one single output.I am…

www.instructables.com