Choose Options Compare Quick view Empirical Labs Empirical Labs DerrEsser 500 Series Dynamic High Frequency Fixer Now: $475.00 Was: The first entry by ELI into the 500 series format, the DerrEsser is a multi function dynamic filtering device. Available in vertical or horizontal versions. A perfect fit for our EL500 powered rack. In its basic “DS” mode, it is an... Now: $475.00 Was: Choose Options Compare Quick view
