volvo s60 ,audio system upgarde , by eb audio

volvo s60 2.3 , audio system mixer tuning and custom diy passive crossover for all original speaker , original have 6inch centre mid . and plus 15inch subwoofer custom box (rockford), impact 4 ch power amp , sound infection hf ribbon tweeter 2 set , sound infection mystic wood 声木, customer listen more of jazz song , focus jazz detail performance .......,