UltraDeck+ M Ready to Play with pre mounted and aligned UltraTracker cartridge. The word \"Ultra\" is synonymous with Mobile Fidelity Sound Labs philosophy. It represents MoFis extreme pursuit of the highest level of reproduction of recorded sound beyond the status quo to provide music lovers with the experience of hearing the Original Master Recording in their home. Whether youre enjoying a standard LP or one of their Ultra Disc One-Step limited-edition records Ultra Deck will deliver faithful playback of whats in the grooves.