Sound bars
Simple set-up, home-theater-in-a-box (HTIB) systems. Three types of HTIB systems: some without a built-in disc player, some have Blu-ray player, and sound bars combined.
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.
http://www.consumerreports.org/cro/sound-bars/buying-guide.htm?video_id=2955585784001
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