<strong>HumZero removes unwanted noise and prevents hum and buzz in the audio system by means of galvanic isolation.</strong>
Do you have a hum or buzz in your audio system that won't go away? It may very well be the result of what is known as a ground loop. Electrical ground is where our audio signals, from the tiniest moving coil cartridge output to our preamps and sources all reference to. If that ground gets contaminated, we can suffer from hum, buzz, and bad sound. Noise and ground contamination enter our homes and dirty our grounds through (cable TV) CATV connections with the cable company. If your audio system has any connection to your AV system, or a cable internet modem, then you need PS Audio's HumZero. Placed between the incoming cable and your modem or your cable box, HumZero breaks the ground and frees your audio system from hum. There's no degradation of picture or audio on the TV. HumZero works like a miracle.
In Stock
$49.00
The PS Audio Home Experience
Hear it. Live with it. Love it.
There’s no better way to know if new gear truly belongs in your system than to hear it at home — in your room, with your music.
With the PS Audio Home Experience, you can audition any new product for a full 30 days in the comfort of your home.
Let it burn in, settle into your system, and decide at your own pace.
If it’s not the perfect match, simply return it — no questions asked.
Trading up? No worries. Keep your current gear until you decide, then send back whichever you’re not keeping.
Experience music the way it was meant to be heard — right where you live.
Save up to $14 on your HumZero
Your old gear is worth more than you think. We'll give you full original retail value for your trade-in equipment, applied directly to this purchase—up to $14 maximum trade credit. Try it risk-free for 30 days—love it or return it.
On the product page, simply press the Trade Up and Save button on selected products and complete the Trade Up information as requested on the Trade Up form. PS Audio offers full, original retail manufacturer price value back as an immediate credit towards your new purchase.
Adjusted Retail Price:
Upon check-out, we will only charge you the Adjusted Retail Price.
The PS Audio Sales Team will review all Trade Up claims within 48-hours. We will authenticate the original retail manufacturer price value of your Trade Up, and we will call or email you if we see any discrepancies. Once you receive an order confirmation from us via email, your Trade Up proposal has been accepted.
We will also email you an RMA with an RMA Number, which you can write on the box or shipping label, which you can use to return your unit. You will have 30-Days to return the Trade Up.
What we accept in trade:
We will accept nearly any HiFi make and model. We ask for component-level product in trade. What's component-level mean? Component-level refers to any high-quality stereo product such as a preamplifier, power amplifier, DAC, phono stage, loudspeaker pair, turntable, headphones, or CD transport. We require that all Trade Up gear is functioning. Additionally, all Trade Up gear must have respectable cosmetic condition.
What we do not accept in trade:
We do not accept broken or non-functioning product. We do not accept most accessories, phono cartridges, power cables, or interconnects. Exceptions can be made based on the value of the accessory or cable. Go ahead and enter your Trade Up for quote, and the PS Audio Sales Team will review your proposal. We work hard to accept every trade we can.
Can I Trade Up multiple items?
Heck yeah! You can trade multiple items for value back up to but not exceeding the credit-cap. Just click "Add Another…" at the bottom of the Trade Up form.
I don't know if PS Audio can accept this Trade Up…
Don't worry, you have options:
Call us, you will speak with a real person: 800 PSAUDIO (800-772-8346)
Email us, and a real person will write you back: sales@psaudio.com
Trade In Your Equipment
We'll purchase your trade-up equipment and apply that credit towards your PS Audio product. Add up to 5 items from any manufacturer.
Quick Select (Optional)
Select your PS Audio product to add it to your trade-in
PS Audio Trade-Up Items
Other Manufacturer Items
Other Brand Item #1
Total MSRP Value:$0.00
Your Trade-Up Credit:$0.00
Original: $49
Your Price: $49
Design
Ground contamination is insidious. 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. PS Audio's HumZero stops ground contamination before it can enter the system. 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 384kHz 24 bit and beyond. HumZero's galvanic isolator provides a ruler-flat video or streaming audio signal producing either broadcast-quality images or high-resolution audio data you can depend on. HumZero permits unrestricted data transfers reliably exceeding 500mbps.
Application
Wherever the outside world enters your home is where the potential for ground contamination exists. Typically, we rely upon one common ground that our electrical system is referenced to. That ground is generally handled by a copper rod buried deep in the ground. The problem for audio systems is when another ground at a very different potential is tied into the home. The most likely culprit comes from our internet/cable television providers who tie the grounds of their noisy systems at the street. HumZero can be used to galvanically isolate the CATV ground of your internet modem or cable television box keeping clean the house ground. Use HumZero between the incoming cable and your television, cable internet modem, or any CATV connection that shares a common ground with your high-end audio system.
Ground loops
In an audio or video system, the ground should be the single lowest point in the circuit as provided by the AC power. Ground loops occur when a second, competing grounds with an electrical difference is added. When a loop occurs hum, noise, and degraded performance of the audio and video system are the result. Customers often break ground loops through the use of AC cheater plugs, but this is unsafe as AC grounding should be maintained. The proper way of breaking a ground loop is to disconnect the offending ground, which is what HumZero will do.
Galvanic Isolation
Galvanic isolation is used where two or more electric circuits must communicate, but their grounds are at different electrical potentials. This ensures the highest levels of noise-free connection and safety as galvanic isolation removes the physical electrical connection. The incoming signal is instead transferred through the air rather than through a physical conductor, thus ensuring 100% isolation, noise-free performance, and complete safety.
Noise free performance
HumZero offers noise-free performance without sacrificing audio or video quality. HumZero will seamlessly pass high-bandwidth signals up to 50mHz without loss, enabling noise-free performance of the most demanding digital audio and video signal transmissions. This not only ensures noise-free delivery of up to 4K Ultra television and streaming audio of up to 384 kHz and beyond but keeps your high-performance audio and video systems clean and safe. HumZero is the answer to ground contamination without sacrificing quality.
Features
10 key features
GALVANICALLY ISOLATES GROUND
CLEANS NOISY GROUNDS
KEEPS SYSTEM HUM AND BUZZ FREE
IMPROVES AUDIO QUALITY
IMPROVES VIDEO QUALITY
MAINTAINS ELECTRICAL SAFETY
UNRESTRICTED DATA RATES OF 500 MBPS AND HIGHER
BROADCAST QUALITY VIDEO
UP TO 4K ULTRA VIDEO
SUPPORTS STREAMING AUDIO TO 384 KHZ 24 BIT AND BEYOND
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