0.01 uF RelCap Polystyrene and Foil - excellent depth
0.01 uF AudioCap Polypropylene and Foil - excellent attack and decay
24 uF SoniCap
stock 32 uF NPE as used in a "typical" JBL network
SoniCaps don't require bypass capacitors or biasing and they are very expensive.
The stock NPE and Mylar (Polyester) JBL capacitors benefit from both bypassing and biasing.