KLARK-TEKNIK DN 500 series vs DN 405 series

[SheerGold]

Hello,

Does anyone know the differences between:
the KLARK-TEKNIK DN 500 series of units
and,
the TEKNIK DN 405 series of units

Thanks,

Paul

 

[GuitarBilly74]

They're not series they're individual units. 405 is a parametric EQ and 500 is a compressor.
I have the 405 on my PA and it sounds great.