Sennheiser RS 130 Wireless Surround Sound Headphones Review

Watching TV without disturbing others is a big problem for me. I like to watch TV in bed and my wife always complains about the noise and we end up having arguments over it. This is why I started looking for some headphones to use while watching TV. I came across these wireless headphones that are very affordable and now I don't watch TV with anything other than a pair of Sennheiser RS 130 Wireless Surround Sound Headphones. If you are somebody who really likes having an amazing acoustic experience while watching TV, then you really need to check out this product.

We sometimes hear people talk about the fact that virtually all headphones are the same. They make the argument that it doesn't really make any sense to go out of your way to purchase a high quality pair of headphones because you will not really get any better quality out of them. Nothing could be further from the truth. I am somebody who has experimented with a wide variety of headphones. Forget about the little earbuds that typically come packaged with your TV - they really don't work. Well, they work, but once you try on a pair of Sennheiser RS 130 Wireless Surround Sound Headphones you will never want to go back to using anything else.

The Rs 130 base transmits radio frequencies on three different channels so as to avoid interference. This can transmit through walls and has a fairly large wireless range.

The headphones don't need to be plugged in to be charged all you need to do is hang it up on the base station for it to charge. The headphones are powered by thriple A batteries. The batteries last about 22 hours after you charge them. Please note these headphones are open backed so if you have someone sitting right next to you they will be able to hear some of the sound. But this open backed design helps a lot with sound quality as the diaphragm has less resistance and can move back and forth quite freely. Audio is crisp and clear and for the very cheap cost of these headphones is more than reasonable.

The padded ear pieces are very comfortable and fits around the ear comfortably.

These headphones have an auto power switch which switches the system off when no sound output is received for 1 minute. This takes about 3 seconds to reconnect and you will miss the audio in that time. So if you are listening to something important it will be quite annoying to miss it. But this feature helps save battery power.

When watching movies and for playing games you can turn on the surround sound feature and the surround sound effects are pretty impressive. Even though this is not true surround sound, for such a cheap set of headphones, it is truly exceptional. The only real fault I could find with these is that the open backed feature of the head sets doesn't allow for quiet listening. Anyone sitting close to you will be able to hear what you are listening to. But this is quiet enough for my wife to sleep through it.

I highly recommend buying a pair of these headphones online. It will save you from having to travel to a store. If you happen to be a busy professional, then you know how difficult it can sometimes be to find the time to go to the stores anyway. You really won't regret your decision, and I think at the end of the day, you will probably end up telling all of your friends that they need to go out and buy a pair of Sennheiser RS 130 Wireless Surround Sound Headphones too!

For more information visit this blog that is dedicated to helping you find the correct Wireless TV Headphones for your needs. The best most popular Surround Sound Wireless Headphones on the market have been reviewed here for you.

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CCTV Cameras

Closed Circuit Televisions (CCTV) have come a long way from their early conception. What started out as a crude device, the CCTV camera has evolved into an innovative piece of technology used to clarify visual mysteries that are undetected by the naked eyes. The first CCTV devices were manufactured with black and white television sets that were connected to a monitor through a physical cable. At that time, the most advanced version of CCTV was either a collection of cameras attached to a switch that allowed you to traverse from one view to another, or a view using multiple cameras at one time.

Nowadays, there are a variety of CCTV devices to choose from. Many are still wired, but the camera device itself has improved greatly. Not only can you find cameras that have high powered zooming, you can also find devices that allow panoramic views of any given area. CCTV cameras are no longer obvious. With the addition of wireless technology, and camera devices becoming more miniscule in size, you can purchase one and install it indoors or outside of your home as a security system. There are also pinhole lenses, ceiling mount smoke alarm color cameras and door view cameras available for home use.

Dome type cameras are also used in public places. With the rise of terrorist attacks after the September 11, installation of these cameras in public places has become more important than ever. Cameras equipped with high-powered zooming capabilities attached to a powerful computer with state of the art software, can trace the movement of suspects and recognize facial patterns and behavioral movements.

CCTV provides detailed information on CCTV, CCTV Cameras, CCTV Systems, CCTV Surveillance Systems and more. CCTV is affiliated with Wireless Internet Security [http://www.e-WirelessSecurity.com].

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JBL Creature III Self-Powered Multimedia satellite and subwoofer system

JBL Creature III Self-Powered Multimedia satellite and subwoofer system

Product Features

• Powered satellite speakers and subwoofer
• Touch-volume and mute controls on satellite
• Bass and treble control on satellite
• Subwoofer (W x H): 9" x 9" (230mm x 230mm)
• Satellite (W x H): 3" x 3" (75mm x 75mm)

Read More

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The Wireless Headphone Necessity

Deciding to have a DVD player installed in your vehicle can be very entertaining for your passengers, and it could also boost the resell price of your vehicle as well. Having wireless headphones to be used while the movies are playing is a great way to block out the noise of cartoons that your children may be watching. I will love the quietness you not only get from the video player, but also the quietness you get from the entertained passengers. They can really be a life saver during long distance out of state trips, or for across town trips that can seem to take eternity.

There are multiple varieties of video systems and wireless headphones that are available on the market for consumers to choose from. The many name brands out there are Boss, Coby, Toshiba, and Sony. If you would like to experience the wireless headphone feature, then I would advise any consumer to purchase systems that are equipped with AV inputs, dome lights, and not to mention a transmitter so that you can actually use you wireless headphones with you video player. Beware of DVD players that may have a good price tag, but are not equipped with transmitters for the headphone experience.

The first thing any consumer should is find out what kind of DVD player they desire and does that certain it come with transmitters for your headphones. Don't assume that all video systems are equal. If you make this assumption, then you will find yourself trying to hear a movie with your headphones and there is no sound coming from them. Assuming that your vehicle's video player automatically transmits to wireless headphones would be a big mistake. If you have happened to purchase a DVD player that doesn't transmit the audio to the headphones, then you can always purchase a FM transmitter feature for your DVD player.

If you would like to avoid the unnecessary purchase of a transmitter to go with your DVD player, then you should look for the transmitting feature for the DVD player before purchasing. If you own a vehicle that has a DVD player already installed, but it doesn't have the transmitter feature, the inevitably you will have to purchase the FM transmitter in order to use the wireless headphone system. Once this situation has been taken care of, then you are free to enjoy the ultra high quality of sound that emits from the wireless headphone experience.

Any and all passengers that ride in your vehicle will enjoy the benefit of the mobile headphone system that is integrated within your DVD player system. Children of all ages will also enjoy listening and seeing their favorite movies while riding with parents. Parents would definitely enjoy the benefit of the wireless headphone system, because they can listen to their music of choice, while the children are independently and quietly being entertained by the DVD system. It the ideal luxury experience for traveling families.

Visit Our Website For Wireless Headphones For Car, Truck, SUV And RVs

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The Problem With Wireless For Surround Sound

We all hate cables running all over the floor, especially when they are not easily hidden. We just invested in a top-notch home theater system. We have a great video monitor, an audiophile quality home theater receiver, and some great speakers. So far, so good. Now it's time to connect the rear channel surround speakers. Agh! Our system look was just degraded from Star Trek to Mad Max. This is an obvious application for wireless, right?

Actually, there are some serious problems with using wireless techniques for surround sound channels.

Time Lag:

Wireless surround systems have a processing/transmission time lag that makes the sound from the rear channels out of sync with the audio from the front speakers. The inherent time required to generate the signal, transmit it to the speaker, decode the signal, and finally, to amplify the signal for the speaker causes the time offset. Minimal audio processing latency is required for effective surround sound.

The sound from the different speakers should be heard at the same instant. For most installations, the rear channels are closer to the listener than the front channels. For this reason, Dolby Digital and Dolby Surround Pro Logic systems apply a delay of a few milliseconds for the surround sound channels. The timing is that critical.

When humans hear the same sound from different directions, the illusion is created that the sound's source is a phantom location between the sound's sources. Recording engineers use balance controls to simulate sounds across the sound field, allowing them to locate sounds to different perceived locations across the sound stage. Timing is critical between surround channels where depth and location information are to be determined by the ears, and ultimately, by the brain.

Interference:

The second problem with wireless surround systems is interference. There are multiple technologies used for wireless surround, and the source of interference is specific to the technology.

Both Bluetooth and Wi-Fi devices operate within the 2.4 GHz band. Bluetooth is the technology that is used frequently for wireless keyboards and mice, but the capability of Bluetooth systems is marginal for surround sound applications. A Bluetooth signal power is only about 1 milliwatt. Dolby Digital requires a bandwidth of about 400 Kbps and Dolby DTS uses a bandwidth of about 450 Kbps for a 5.1 system. Bluetooth has a maximum data transfer rate of 433 Kbps, which is cutting it pretty close.

Another alternative for surround sound transmission is Wi-Fi 802.11b (also in the 2.4 GHz band, as is 802.11g ). An 802.11b signal is capable of 54 Mbps maximum throughput (30 Mbps in practice), which is more than sufficient for this application.

However, there are significant sources of interference in this 2.4 GHz spectrum from cordless phones, other Wi-Fi equipment like wireless-enabled laptops, wireless game controllers, fluorescent lights, and even microwave ovens. Even bad electrical connections can cause broad Rf spectrum emissions.

Bluetooth attempts to avoid interference by "frequency-hopping". If the signal is receiving interference, it will (hopefully) only be for a fraction of a second, because the system will identify the interference, and switch to a different frequency. Wi-Fi also has the ability to avoid interference by changing channels, and by redundant loops of information transmission Many Wi-Fi products claim to mange interference problems. Unfortunately, the products are limited by the capabilities of the 802.11 chipsets, and the 802.11 protocol itself.

IR (infrared), which is most often used by remote controls, is yet another technology sometimes used for wireless surround. IR has a bandwidth capability of more than 100 Mbps. IR for data transmission was popular on laptop computers a few years ago. More recently, it has been replaced by other wireless technologies such as Bluetooth, because they don't need a direct line of sight (LOS). IR transmission is lost whenever there is a loss of LOS between the transmitter and the receiver, and, in addition, the signal is subject to interference from IR remote controls and ambient light.

Power:

A third problem is that the rear speakers will require a power source if they are receiving the signals wirelessly. They will need power not only for the actual speakers, but they will also need power for an on-board amplifier. If our goal is to eliminate all wires, this is a problem. Powercast (Pittsburgh, PA) has a technology that will wirelessly supply power to small appliances like cell phones, but the maximum rate is 10-15 watts, not enough for surround channels.

On a final note, if you decide to purchase a wireless surround system, read the product attributes carefully. I recently assisted on an installation where a DVD/Receiver system was bought with wireless capability. However, in this case, the wireless capability was for distribution to a second room for the primary channels, not a wireless capability for surround channels.

About the Author: Brian Bradshaw is a Certified Technical Specialist (InfoComm CTS) and a CompTIA A+ computer technologist. Areas of expertise include Audio-Video, Information Technology, Wi-Fi, HDTV, SATCOM Systems, and Communications. He has a communications technology business that serves the Southwestern United States with offices in Plano, Texas (Dallas) and an office in Peoria, Arizona (Phoenix), managed by his brother, Keller Bradshaw.

Please visit the Website for more information.

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Miller & Kreisel VX 1250 SFX Subwoofer Review

Miller & Kreisel VX 1250 SFX Subwoofer Feature

• Superfast THX
• Internal Powered Amplifier
• 250 Watts RMS
• 12 " Driver

Miller & Kreisel VX 1250 SFX Subwoofer Overview

M&K Subwoofer - VX1250SFXBK This high-performance powered subwoofer lets you experience the reference-quality sound thathas made M&K the choice of professionals. The VX-1250 has the incredibly powerful and dynamicoutput, articulation, low distortion, and "quick" sound that have made M&K the standard in subwoofers.This subwoofer is the ideal foundation of any home theatre.M&K's DEEP BASS CONFIGURATION - The VX-1250's Deep Bass sealed-box design produces deepin-room bass to below 20 Hz with excellent transient response, unlike the many subwoofers that usevented cabinets or passive radiators. Comparable vented subs have an extremely sharp roll-off thatstarts closer to 40 Hz, along with poor transient response, giving those subs a sloppy and uncontrolledsound. The VX-1250's sound has a power and authority these other subwoofers can never match.FILTERS AND CONTROLS - To facilitate connection to any system, the VX-1250 has inputs andoutputs for both line-level signals (such as from A/V receivers) and speaker level signals (from stereoreceivers). Separate controls allow you to set the bass level and the subwoofer's upper rolloff frequency(between 40 and 200Hz, with a bypass for home theater receivers).Features: ?Driver: 12" long-throw treated-paper subwoofer driver?Internal Amplifier: 250 watt continuous all-discrete power amplifier with M&K Dynamic Headroom MaximizerTM circuit?Features: Line-level and speaker level inputs and outputs?Low Pass Filter adjustable 40-200Hz?Low Pass Filter Bypass?Bass Level Control?Variable Phase Control?M&K Sealed-Box Deep Bass DesignSpecifications:?Rated Power: 250 watts RMS?Finish Options: Black with Black Cloth Grille?Frequency Response: 20Hz - 200 Hz ±3dB?Low Pass Filter: Variable 40Hz-200Hz with Bypass?Phase: 0°-180° Variable

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Casablanca CSSW MTX Blueprint Contractor Theater Wireless Subwoofer Black Review

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Check Out QES-820 Orange - CDT Audio 8" Cast Audiophile Excursion Subwoofer Excursion

QES-820 Orange - CDT Audio 8" Cast Audiophile Excursion Subwoofer Excursion Review

QES-820 Orange - CDT Audio 8" Cast Audiophile Excursion Subwoofer Excursion Feature

• Nom. Diameter: 8 (200mm)
• Cone: Kevlar-Paper Honeycomb
• Surround: NB Rubber
• Sensitivity: 82 dB
• Power Handling: 400 WRMS (800W Pk)

QES-820 Orange - CDT Audio 8" Cast Audiophile Excursion Subwoofer Excursion Overview

Being able to meet any one of the three distinct engineering challenges met by CDTAUDIO new 8" and 10" and 12 Minibox Sub drivers would be enough for most competitive models. These engineering masterpieces simultaneously deal with the need to move large amounts of air necessary to overcome the 70+ db. of bass masking road noise in the moving automotive interior, while accurately responding to the delicate changes in the harmonic structure of the music.

Features:
* Nom. Diameter: 8 (200mm) * Cone: Kevlar-Paper Honeycomb * Surround: NB Rubber * Sensitivity: 82 dB * Power Handling: 400 WRMS (800W Pk) * Frequency Response: 10 ~ 400 Hz * Nominal Impedance: 4 Ohms * Voice Coil Diameter: 2.0 (50mm) * Xmax: 11mm * Magnet Weight: 84 Oz stacked

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Polk Audio PSWi225 Wireless Subwoofer

Polk Audio PSWi225 Wireless Subwoofer

I was looking for a wireless sub to complement a 32" Sony XBR LCD TV that has 5.1 surround bar and a small built-in subwoofer at the back on the LCD panel. Since this TV is in a bedroom I don't have enough space to add external speakers or any other audio components, which is why I paid a premium to get the built-in 5.1.

When I saw this wireless sub at $208 on Amazon, it was worth trying so I ordered it and received it in less than a week. Took me 5 mins to plug in and VOW, what a difference it made! The wireless transmitter has Audio-L & R ports that are connected to the Audio out of my TV. It also has a LFE input to connect directly to the sub woofer output of an amp. I'm blown away by the quality of this product and the ease of use. Now I'm so used to this thing that if I turn it off, the built-in 5.1 TV speakers that used to sound pretty good, feel like tin-can speakers. I am extremely happy with this product (at this price point) and am thinking of adding another one to complement two 8" ceiling speakers in my family room. I highly recommend it to anyone who wants to add that extra touch of bass to an existing TV or iPod dock or any speakers that lack the bass. I hope the $208 price stays the same for a while or even drops further.

Polk Audio PSWi225 Wireless Subwoofer

Check Out Yamaha YST-SW216BL Advanced YST II Front-Firing Active Subwoofer for $93.95

Yamaha YST-SW216BL Advanced YST II Front-Firing Active Subwoofer Review

Very nice sub for a non-audiophile. This thing is sleek looking and is a breeze to set up. The only con I have is that it has trouble keeping up with a powerful system. Mine developed a slight rattle when hitting the base to hard but I probably just punched a sub of this price a little hard!

I would buy it again.

Yamaha YST-SW216BL Advanced YST II Front-Firing Active Subwoofer Feature

• High 100W dynamic power
• 10 long-stroke cone driver with magnetic shielding
• Front-firing active woofer
• Selectable high-cut filter
• 25-180Hz low frequency response

Yamaha YST-SW216BL Advanced YST II Front-Firing Active Subwoofer Overview

The Yamaha YST-SW216BL Advanced YST II, Front-Firing Active Subwoofer sets the standard for subwoofers in this class with high dynamic power and low-noise performance thanks to Advanced YST II, a linear port, front-firing design, plus many other sophisticated features.

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Customer Reviews

Great litle sub - T. McPhetrige - Texas
This is a great sub and a great value for the price. I have the sub hooked to my Panasonic 5.1 system in my shop and it sounds really nice. I also play my ipod thru the amp and the sub really compliments the music. I am well satisfied with the Yamaha subwoofer and I believe you will be satisfied as well.



Great subwoofer for the price - Santie - DC

I already had a subwoofer that was detoriarating in sound output and I got this. This is not the top of the line but performs satisfactorily in my basement theater. The walls reverberate with deep sounds and is great of 3D action. I am glad that I didn't have to spend 100s of dollars to get the effect.



Horrible sub for music way to MUDDY - sasquisha -
I bought this sub because of all the reviews but when i got it and plugged it in its sounds like a piece of crap. The bass is wayyyy to muddy. If you like deep bass in your music this sub is NOT for you. It looks like a well be selling this sub

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