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Audio amplifiers and audio preamplifiers are units that amplify a sound signal, which is then sent to a speaker or another amplifier.
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Audio microphones are designed for sound reception and recording applications (speech and music).
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Audio mixers and audio consoles are units that combine signals from microphones and/or line level sources to produce a combined signal or signals.
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Breadboards and breadboard accessories are used for testing and experimenting with electronic circuits. They are covered with slots for interchanging components and electrical connection strips.
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Closed circuit television (CCTV) is used for area surveillance and remote monitoring. Some systems can record events and trigger alarms.
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Educational tools and products are used in classrooms and other educational settings. Examples include physics experiment instruments, wave generators, and electronic breadboards.
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Headsets are attachments for holding an earphone and transmitter to the user's head.
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Intercoms are an electronic communications system generally composed of fixed microphone/speaker units connected to a central control device.
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Laser pointers are compact instruments that produce a low-power, visible laser light. They are often used for pointing out features on a projected visual display.
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Lasers are devices that produce intense beams of monochromatic, coherent radiation. The word "laser" is an acronym for Light Amplification by Stimulated Emission of Radiation.
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Patch panels are groups of ports used to connect lines between communications and electronic devices. Connections are made manually with small patch cords, and are easier to wire than automatic switches. Wireless patch panels are also available.
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Power supplies are devices that produce AC or DC power. This grouping includes current sources, DC power supplies, AC-DC adapters, DC-DC converters, AC power sources, and DC-AC inverters.
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Radios are communication systems that send and/or receive electromagnetic waves. Devices such as citizens’ band (CB) radios, walkie-talkies, and handie-talkies are two-way radios that can be used for interpersonal communications.
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Speakers produce and transmit sounds carried by electrical or radio signals. This product category is primarily for industrial and OEM speakers rather than those for home use.
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Surge suppressors are used to protect equipment from transient overvoltages in power, data, and telephone circuits.
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