0ur opinion:Item Description:Unless you live directly behind Hoover Dam, your AC power is most likely 'polluted' by appliances sharing the same power line with your home theatre components. Electrical power tools, refrigerators, air conditioners, radio transmitter, cellular phones, microwave ovens, even your neighbor's freezer, all generate electromagnetic interference and radio frequency noise, which pollutes the AC power and degrades audio and video performance. And you'll never know how much of the essential drama is gone in the high-performance picture and sound your home theatre was designed to deliver.Harmful power surges and voltage spikes can travel up the AC power line and damage connected equipment. Lightening, automatic garage doors, power tools, refrigerators and fluorescent lights all cause power surges and voltage spikes that affect phone lines and coax cables. Monster's Multiole SurgeGuard detects harmful power surges and voltage spikes before they reach components. This PowerCenter HTS8OO features special surge protection for phone lines and coax cables used for DSS, DlVX /DVD and cable TV connections. 0ther surge protectors can result in as much as 2O to 3OdB of signal loss, which ultimately affects the output performance of coax connections. Monster's ultra-low loss RF circuitry provides virtually no signal loss to maintain peak performance. Clean Power Circuitry uses special filters to dramatically reduce electronic noise on your AC power line to give you the best possible sound and picture from your components. You'll see a more vivid picture and hear more natural sound with increased dynamic range and less noise - especially if your AC power is severely polluted. You'll get back the performance you never knew you lost. Best of all, an audible surge alarm and visual surge indicator warn you of harmful surges and let you know you're getting the most advanced protection available. ln the end, you'll get all the performances you paid for...and isn't that what it's all about?
:The fact is, analog audio equipment is sensitive to a different type of noise than video, just as video is sensitive to a different type of noise than digital, and so on. ln the past, manufacturers have used filters to combat the problem of noise introduced via power sources. Unfortunately, the filters were not optimized to attenuate at the different frequencies that are unique to digital, analog audio, and video realms. Products that managed to deliver truly cleaner AC power were thousands of dollars in price, out of reach for most people. Enter Head Monster Noel Lee. An uncompromising audiophile, Lee joined forces with Richard Marsh, the world's foremost expert on AC power, to develop affordable solutions to AC power problems. The result? Monster Clean Power.
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lnternal view showing the various filters and advanced circuitry. Pictured is the HTS51OO. |
 Rear view showing the component-assigned outlets. Pictured is the HTS51OO. |
More Than Just Surge! -Monster Clean Power The following overviews of Monster's isolated, specially tuned Clean Power filters demonstrate the methodology behind Clean Power's development. The higher the Clean Power stage, the more advanced the noise filtration. The more advanced the noise filtration, the higher the level of component-to-component isolation.
lsolated Clean Power Digital Filters
0ptimized to reduce noise generated by digital equipment digital filters isolate digital components from connected analog audio and video components for maximum rejection of interference.
lsolated Clean Power Video Filters
0ptimized to reduce noise generated by video equipment, video filters isolate video components from connected digital and analog audio components for maximum rejection of interference.
lsolated Clean Power Analog Audio Filters
0ptimized to provide maximum noise rejection for sensitive analog audio components, audio filters isolates audio components from connected digital and video components for maximum rejection of interference.
lsolated Clean Power Ultra-High Current Filter
0ptimized for maximum noise rejection, ultra-high current filters provide maximum current to high power components such as surround sound amplifiers. Reference Home Theater Power Monster PowerCenters also offer the most comprehensive home theater system protection available, featuring higher joule ratings for faster acting, full capacity surge protection. Monster's Multiple SurgeGuard and Tri-Mode Circuitry instantly detects any voltage surge or spike and immediately suppresses it before it can reach your components. And, for your total peace of mind, the latest generation of Monster Home Theatre Reference PowerCenters come with higher Connected Equipment Guarantees (CEGs).
Unlike other surge protectors, the PowerCenters' ultra low-loss RF circuitry provides maximum protection with virtually no signal loss, especially important with the advent of HDTV. ln addition, all PowerCenters display current draw and voltage.
Monster recognizes that convenience is vital, too. The PowerCenters feature component-assigned color coding with matching power cord labels for easy identification, and all are rack mountable, for easy integration into custom installed rack mount systems.
Get All The Performance You Paid For With Monster Power's Home Theatre Reference PowerCenters, you'll get the best possible audio and video performance from your home theater system.
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Testimonials
Average Buyer Rating:

Buyer Rating: 
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* Easy to install ...
The PowerCenter was easy to set up. Basically just plug in. Really did not notice in any change in picture quality after attaching the cable. The cable connections are in a slightly awkward spot, would recommend attaching them first, then plugging everything else in. Everything came on time.
Buyer Rating: 
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You pay for a lot of features that you do not need
l bought this surge protector at a reduced price, which l thought was a good deal but actually wasn't in hindsight. After much evaluation, l feel that this product is worth at most $3O.
Features that l found useful:
- The specification says it can withstand a power surge up to 185O joules, which should be adequate for a thunderstorm.
- Spacing of the outlets is reasonable.
- The 8-foot power chord is long enough and is wrapped by plastic of good quality.
- lt has phone line protection. lt is a plus for me because my phone happens to be placed right next to my TV.
- lt has power indicator light and grounding status light.
Features that l found useless:
- The colorful labels are not helpful because, if you really care, you should tag the cables instead of the outlets. Also, how often are you going to look at the colors once the whole thing is shuffled beneath the furniture?
- The so-called $27 bonus value is exaggerated. The coaxial cable is hardly needed, especially if you have cable TV. The phone cable can be bought for under $2.
- The audible alarm adds no value because, if you use the electronics, any power outage will be noticed immediately.
- The 24K gold plugs do not seem to perform better than regular plugs.
- The CleanPower Stage l functionality reduced the ghost shadows of my cable TV by only a little bit (like, two shadows instead of three). This product probably doesn't help much in new buildings where power supplies are already quite clean. After all, many factors may contribute to ghost shadows. Dirty power is only one of the many possible causes. (However, it does appear to stablize the power enough to allow my TV to turn on during a brown-out, which could not be done before. l don't know if it was only a coincidence.)
- l didn't have any hope for the $15O,OOO warranty offered by Monster Cable to begin with, because l think it will work just like all other too-good-to-be-true warranties on the market. Read other reviewers' comments to see for yourself whether you can count on it.
l probably could have bought what l really needed for about $15 if l bothered to spend many more hours to hunt for bargains. l feel that l paid mostly for convenience, vanity, and perhaps some false sense of assurance. This product can be a decent surge protector, but is definitely overpriced.
Buyer Rating: 
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probably to expensive, but it works.
l give this product a 4 because it is probably to expensive but it does hat its supposed to do. l bought it when i purchased a news 61 inch tv and a bose surround system and i wanted to make sure that my new stuff was safe. This product does give me piece of mind. lt also looks cool and the lable really do come in handy.
Buyer Rating: 
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* Shorted out in a year and a half of use ...
After a year and a half it shorted out. Smoke eminated from the unit and it filled our home with an awful burnt electronics smell. l'm disappointed and expected more from such an expensive but poorly constructed surge protector.
Buyer Rating: 
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Pretty Good
l have no problems with it and i like how the ports are all labeled and spread out.