the best i can say in 25 000 budget
a kenwood or a jvc cd player around 6500 7000
pioneer speaker TS-A6972E jbl gto 937e sony xplod speakers all around 4.3k
4 channel amp solid audio MS 24 6 6500
307d2 wid box around 4400 if box then extra
wiring rc lead woofer wire 500 1000 depends on ur budget left :d