Hello friends ako ulit. question lang regarding some Sound stuff , like headunit, what should i look for aside from the USB/Bluetooth etc
I currently have a budget of 6k and was considering an

alpine CDE-152E
features are :
50W x 4 High Power Amp
Front AUX
Front USB
CD/MP3/WMA Playback
3 Band Parametric EQ
High Pass & Low Pass Filters
3 Preouts Bass Sound Function
Demo Mode Setting Function
alpine CDE-152E

Another thing isa yung amplifier, was considering buying second hand (at 4k budget )na medyo panalo. ano ba dapat titignan ko ?
higher than this i might consider a bnew like JBL A604.


may familiar ba sa magnat combat 4000 ? I

thanks mga sir!