HTIBs are now 5.1- or 7.1-channel systems outfitted with either five or seven acoustically matched speakers, plus a sub-woofer (AC operated and/or wireless). As an added amenity, some have or include an option for adding--wireless rear speaker amplifiers, most have iPod docks that let you play songs or videos through your entertainment system. Most models with a Blu-ray player have access online, including streaming movies from Amazon, Blockbuster, Netflix, or Vudu. A few 3D-empowered HTIBs have receivers that go through 3D signals to a TV, others include a built-in 3D-proficient Blu-ray player.
A lot include an auto-calibration feature that can mechanically set suitable speaker volume levels.
Blu-ray models, high-definition 1080p picture quality is consistent while playing Blu-ray discs. Systems with good or even fair sound may appease less demanding listeners, while sound bars with very good or superb sound are suggested for more demanding listeners, particularly with music.
Sound bars that connect directly to your TV without using a receiver, allow for a less difficult audio upgrade. The speakers contained in the sound bar customarily support stereo sound. A few will even decode Dolby Digital multi channel audio. Particular sound bars also have an outside powered sub-woofer, often wireless, that will manage the bass. Some models use electronic methods to replicate surround sound.
A sound bar is a nice resolution if you have a small space and need a easy way to improve your TV's acoustics without having to design and fabricate a complete surround-sound system. Sound Bars are thin chambers, about 40" or longer, that can be mounted on the wall or placed on a shelf above or below the TV. Also, pedestal-style sound bars, called sound bases, can serve as a base for a TV. (Be sure to know the weight of your TV set and what the stand can support.) There are models that can replicate surround sound. Some sound bars do have rear speakers, which can add to the surround-sound effect. Some may have a Blu-ray or DVD player built into the system. You do not need a receiver to connect a sound bar directly to your TV, and there are fewer wires to deal with. Some new features: Wi-Fi capability for accessing streaming services and other content, as well as Bluetooth connections this will allow you to stream music from compatible mobile devices.
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