Using galvanic isolation techniques, HumZero isolates outside noisy grounds from cleaner inside grounds while maintaining perfect picture quality up to 4K Ultra television signals, or high resolution streaming audio up to 384 kHz 24 bit and beyond. PS Audio's HumZero stops ground contamination before it can enter the system. Once connected together, the dirty outside cable television grounds will mix with your home's cleaner AC power grounds and degrade the performance of both the video as well as audio systems. If your audio system has any connection to your AV system, or a cable internet modem, then you need PS Audio’s HumZero. Noise and ground contamination enter our homes and dirty our grounds through CATV connections with the cable company. More often than not, our home audio systems commingle with connections to the outside world and this can be problematic. But, most of us don’t live in perfect worlds. In a perfect world, our audiophile-grade systems would benefit from a dedicated ground, one that only the stereo system is connected to. The cleanliness of that ground has a major impact on both sound quality and noise levels. It’s where our audio signals, from the tiniest moving coil cartridge output to the largest output from our preamps and sources all reference to. Removes unwanted noise and prevents ground loops in the audio system by means of galvanic isolation.Īt the heart of every high-end audio system is ground.

Audio isolator circuit