![]() The more components that require an infrared signal, the harder the repeater will have to work, and some power supplies simply aren’t sufficient to handle a large burden. It’s necessary to either check the specs of your components before buying a receiver – or to purchase a dual-band IR receiver which can handle frequencies in either range. A single-band IR extender typically operates in the lower of the two frequency ranges and will be able to control components like Blu-ray and DVD players, but may not be able to control your HDTV as well. There are two different bands on which remote controls send infrared signals, and some models of extenders only operate on one of those two bands. The same holds true for the IR frequencies the repeater operates on. You’ll need to know the specifics of your system to choose the right emitters to use. IR “blasters” can send infrared signals to multiple components, and IR “floods” are similar to blasters but put out stronger signals that cover a larger area. IR “bugs” are attached directly to the component, usually right on top of its IR receiving port. There are different types of devices which can be used as IR emitters, and the right ones for your system depend on your components. Here are additional considerations to keep in mind when buying an IR repeater. And a “connection block” is the part of the electrical distribution system (EDS) that keeps everything working together and powered up.Īnything that sounds so simple usually isn’t. IR “emitters” convert the electrical signals back into infrared light recognizable by home theater devices, so they are placed on or near the equipment that’s hidden in a cabinet, closet or other room. ![]() ![]() The target is placed somewhere in the room with line of sight visibility. The IR receiver, often called the “target,” is what captures the infrared signals sent by a remote control and converts them into electrical signals. If you’ve followed us so far, you’ll guess that there are three necessary components. The process requires several different components to make this work, and they’re usually packaged together in what’s known as an IR repeater kit. Finally, when that signal reaches its destination, it is converted back into infrared light that the equipment will recognize. First, it receives the infrared signal from a remote control, and then converts the signal into an electrical one which can be transmitted either through a wired connection, or by radio frequency signals sent through all of your home theater or A/V wiring. That’s why remotes won’t work with concealed equipment, and why you need an IR repeater to provide a work-around. (It can pass through some types of glass, but not others.) Infrared light also doesn’t “bounce” well, so it can’t go around corners, either it’s in the same general spectrum as visible light and is subject to most of the same limitations. You probably know that remote controls work by sending infrared light signals to the equipment they control, and you might remember from high school science that the frequency of infrared light is so low that it cannot pass through solid objects like walls or doors. A good IR repeater will take all of your remote control’s signals and convert them into signals which can reach your concealed equipment, and a repeater is simple to install and use. Infrared (IR) repeaters are an inexpensive and effective way to solve this dilemma. The remote control issue forces many people to decide between trying to make shelves or stacks of equipment look as attractive as possible, or getting up from the couch every time they want to change the channel or the volume. Placing components out of sight in a cabinet, closet or other hidden area makes all the sense in the world – but that doesn’t mean that your remote controls will still work when their signals are being blocked by cabinet or closet doors. Unfortunately, the second one can be tougher. ![]() With the right components and cabling, the first goal is easily accomplished. The viewing or listening experience should be terrific, and ugly cables or equipment should be tucked away somewhere unobtrusive instead of sticking out like a sore thumb. ![]() There are two major goals to keep in mind when setting up a home theater or audio/video system for that matter, the same goals apply when simply setting up a new HDTV or component. Back to Learning center Learn About IR Repeaters ![]()
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