bahi Sound Qualities Differs very much in between Chinese and korean Durablity also differs I am against these thing electronics item hai , any time it can blow up , it also depends of which quality electronics components are being used in it
In my view Setting matter if ur settings from PRE , AMP are perfect , your stuff will more last longer even if you buy USA brand amplifer , settings are not perfect e.g Clipping happens and you played much , ur subs gonna blow cause EVEN expensive stuff JL Audio , Rockford fosgate , Digital Design , Fi BTl sub can blow due to (improper settings which damages audio stuff ) like bass boost etc , in your pre setting , donot exceed more then +3 level Except Equilizer +5 on that is much rather then +6 Never go more then 75 % of deck volume About ur amplifier doesnt matter chinese ho ya korean it has got two fuses marked 30 on them ....tell me this amp good nor not? its nice in powering can handle a sub easily it must be 300Wrms and over When you go for branded stuff you must see CEA-2006 which checks RMS power and THD of amplifier where both matters alot POWER AND SOUND QUALITY If not cea rated i can say saab aik hi hain , chinese , korean etc
