hi all sifus. i need some recommendation before buying new HU. i'm using waja 1st gen. and totally standard. currently my HU only have cassette player. so i decide to change new HU that have usb. advise me what brand to go and my budget below rm400. single din will do since my budget is low. thanks in advance.

current brand on my mind: pioneer,sony,kenwood.

p/s: my location is at masai, johor. would anyone suggest me which shop is recommended to go? thanks again!