What type of capacitor?

[Anders]

What type of capacitor is the blue and red/brown, ceramic?
What is that 33 J1A value?
Where to find audio capacitors with thoose numbers and wich type is the better ones?

[ttocs]

I don't think there is anything to gain replacing those unless your changing the value for some reason. The only reason we change them is because the electrolytic style leak and explode. Its not A problem with these so I would say if it ain't broke don't fix it.