guys need help.. kase e2 ung sinabe sakn na SPL quality.. BOOM BOOM na daw 2... please tell me if i need to change something thanks

1. AVH pioneer p4050 DVD touch screen - 35,000
2.GTO 6'inches JBL1 - 4,500
3.GTO 6x9 JBL - 3,500
4.GTO 75.4" 4 channel - 8,800
5.GTO MONO amp for sub - 5,800
6.GTS 12'inch Sub - 3,500

guys okey naba to or do i need to change? please reply neeed ko asap....

tsaka kung ayus lang ung price o mahal ung bigay sakn?