The Iso-Max PB-2XX is a two-channel universal isolator that gives you the freedom to solve noise problems anywhere in the signal chain. The design begins with a rugged flanged enclosure that comes standard with gold plated XLRs and a removable screw-down barrier strip for easy installation in NEMA enclosures and 19” racks. Plug and play easy to use, this passive interface does not require any power to work. Inside are two specially designed Jensen multi-tap isolation transformers that provide unity gain, signal boost or level attenuation depending on how they are configured. These are able to withstand signals in excess of +24dB without discernible distortion while delivering a fabulously linear response to 200kHz. This provides galvanic isolation between the input and output to eliminate hum and buzz caused by ground loops, rejecting noise by as much as 125dB. To further optimize the performance, a bottom mounted eight position ‘set and forget’ dip switch enables the user to configure the PB-2XX grounding scheme as needed.