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Computer speakers, or multimedia speakers, are speakers marketed for use with computers, although usually capable of other audio uses, e.g. for a shelf stereo or television. Most such speakers have an internal amplifier and consequently require a power source, which may be by a mains power supply often via an AC adapter , batteries, or a USB port.
A short antenna pole next to a house Multiple Yagi TV aerials. Antennas are commonly placed on rooftops and sometimes in attics. Placing an antenna indoors significantly attenuates the level of the available signal. [19] [20] Directional antennas must be pointed at the transmitter they are receiving; in most cases great accuracy is not needed ...
A keystone module is a standardized snap-in package for mounting a variety of low-voltage electrical jacks or optical connectors into a keystone wall plate, face plate, surface-mount box, or a patch panel. Keystone modules have a rectangular face of 14.5 mm wide by 16.0 mm high and are held in place with flexible tabs.
ATSC tuners may also be present in most recently manufactured televisions, as well as DVD recorders, HDTV FTA receivers, and personal computer TV tuner cards. [ citation needed ] As of the beginning of 2012, almost all Canadian broadcasters are broadcasting an ATSC signal, with a handful of exceptions granted for low-power and regional stations.
16.2 channel surround sound. Surround sound is a technique for enriching the fidelity and depth of sound reproduction by using multiple audio channels from speakers that surround the listener (surround channels).
JBL Bar 500 5.1 Soundbar $ at Amazon. JBL Bar 500 5.1 Soundbar $ at Best Buy. JBL Bar 500 5.1 Soundbar $ at Target. What we like about the JBL Bar 500: Multi-unit sound system with Dolby Atmos and ...
Speaker enclosures are used in homes in stereo systems, home cinema systems, televisions, boom boxes and many other audio appliances. Small speaker enclosures are used in car stereo systems. Speaker cabinets are key components of a number of commercial applications, including sound reinforcement systems, movie theatre sound systems and ...
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