Still in mint condition ready to be used come with power cord and had minimal to no use was sitting in unused studio Avid pro tools The Antelope’s Isochrone OCX emerges as the new quality standard in professional master clocks. A master clock is the heart of the digital studio, essential to maintaining stability and preserving sonic integrity.Jitter Management ModuleLow jitter operation is critical in the modern studio. Antelope’s Jitter Management Module implemented in Isochrone OCX makes jitter essentially nonexistent. Adaptive Loop Filtering is taken to the next level with a sophisticated DSP Based Multistage IIR filter, ensuring a jitter free, great sounding studio