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power amplifier used for the surround-sound channels. This link-receiver and power amplifier can be built into one of the surround speakers or housed in a black box that the surround speakers are connected to. Some higher-end HTIB models offer additional features such as 1080i or 4K (mainly versions with Blu-ray) video resolution upscaling, a 5-disc platter, HDMI inputs, USB connectivity, Bluetooth support, Wi-fi support, Internet apps, DAB and DAB+, mirroring possibility, iPod dock and a hard disk for recording TV shows.
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shelf-mounting in tight spaces. There are some systems in this class that are supplied with slim freestanding speakers that stand on the floor. This may be typical of higher-priced systems that are equipped with more powerful amplifiers, or most of the "receiver-only" packages that do not come with a DVD player.
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experience of home cinema, even if they do not want to, or do not have the electronics "know-how", to pick out all of the components one-by-one and connect the cables. If a consumer were to buy all of the items individually, they would have to have a basic knowledge of electronics, so they could, for
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connectors between components, sometimes even combining several different wires into one connector, to reduce cable clutter and increase the ease of installation. However, this can impede interoperability between different audio/visual devices and makes upgrading certain parts impossible. This may
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inputs. Some HTIB systems are also equipped with a phono input, to allow the connection of a turntable with magnetic cartridge. However such systems are not suitable for vinyl playing as they are mainly focussed on movies and rarely for high fidelity. Some home theaters are just stereo or 2.1, but
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in this class of equipment. This technology may be available as standard with some of the high-priced models, or may be supplied as an aftermarket kit that only works with selected models in the manufacturer's range. It usually uses a line-level feed over a proprietary wireless link to a separate
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player and are designed to integrate with existing video setups where there is already one, such as a DVD recorder or a DVD/VCR combo unit. The speaker cabinets supplied with most systems in this class are generally fairly small compared to typical stereo speakers, and are meant for wall- or
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options, a HTIB amplifier may simply provide a few factory-set EQ presets. As well, while a standalone home theatre subwoofer may contain a range of sound-shaping circuitry, such as a
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A typical HTIB generally consists of a central receiver unit which usually contains a DVD player (some systems separate the DVD player into a separate unit), a multi-channel
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and power-handling for the amplifier. As well, the consumer would have to ensure that they purchased all of the different connection cables, which could include
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with which to display the visual material or a stand to place the receiver unit on. Beside auxiliary inputs, many of them are equipped today with
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A mid-priced
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to limit what a consumer can do with a low-end model and encourage them to upgrade should they want more autonomy.
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components which are sold separately. For example, while a standalone home theater amplifier may offer extensive
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A few manufacturers, notably Sony and
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Some older HTIBs from the 1990s had a built-in VCR, besides a DVD, along with a TV tuner, and a
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even so, they are not intended as hi fi, this is just a marketing strategy.
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and a series of speakers for surround sound use, generally including a
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HTIBs are marketed as an "all-in-one" way for consumers to enjoy the
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On the downside, most HTIBs lack the features and "tweakability" of
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There are systems in this class that are sold without a
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example, ensure that the speakers were of compatible
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or an
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cabinet. Manufacturers also have come out with the "
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player, a multi-channel amplifier (which includes a
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48:adding citations to reliable sources
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104:December 2009
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