Unlock Your System's Full Potential with CITY MASTER ULTRA Puritans CITY MASTER ULTRA redefines advanced grounding technology to eliminate hidden noise enhancing clarity, dynamics, and detaildelivering true high-fidelity sound where installing a dedicated ground rod isnt possible Many audiophiles invest heavily in premium componentscartridges, DACs, preamps, amps, and speakersto achieve superior sound. However, one critical element is often overlooked: the ground line. Ground forms half of the signal path, and without a clean, stable reference, even the finest equipment cannot deliver its full performance.