Rupert Neve Designs 545The Rupert Neve Designs 545 is a single channel 500 series module designed to provide natural feedback reduction without negative impact and add focus to the sound source. The Rupert Neve Designs 545 Primary Source Enhancer uses the same circuitry as its bigger brother the Portico 5045 which has been used on countless tours and arenas around the world. It works by reducing the gain when the signal falls below the selected threshold. Unlike noise gates