What kind of connector is this?

[Solmin]

This was connected to my Q sound amp but nothing's working so the only audio I can get working is using RCA cables from my CPS2.
I'm going to redo the harness.

Anyone tell me what kind of connector is this? I'd like to try to fix it.

Thanks!

 

[mR_CaESaR]

TE Amp Up

https://wiki.arcadeotaku.com/w/AMP_Universal_Power