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2. Professional audio - Wikipedia

   en.wikipedia.org/wiki/Professional_audio

   A professional audio store is a retail establishment that sells, and in many cases rents, expensive, high-end sound recording equipment (microphones, [3] audio mixers, digital audio recorders, speakers and surround sound speakers, [4] monitor speakers) and sound reinforcement system gear (e.g., speaker enclosure cabinets, stage monitor speakers, power amplifiers, subwoofer cabinets) and ...

3. Powered speakers - Wikipedia

   en.wikipedia.org/wiki/Powered_speakers

   An active full-range loudspeaker. Powered speakers, also known as self-powered speakers and active speakers, are loudspeakers that have built-in amplifiers.Powered speakers are used in a range of settings, including in sound reinforcement systems (used at live music concerts), both for the main speakers facing the audience and the monitor speakers facing the performers; by DJs performing at ...

4. Yamaha Pro Audio - Wikipedia

   en.wikipedia.org/wiki/Yamaha_Pro_Audio

   Yamaha Pro Audio, Inc. is the Pro Audio Division division of Yamaha Corporation that offers a complete line of beginner professional audio products for the live sound and sound reinforcement markets. Their lineup includes a number of world-standard mixing consoles, signal processors incorporating industry-leading DSP technology, power ...

5. Audio power - Wikipedia

   en.wikipedia.org/wiki/Audio_power

   Audio power is the electrical power transferred from an audio amplifier to a loudspeaker, measured in watts. The electrical power delivered to the loudspeaker, together with its efficiency , determines the sound power generated (with the rest of the electrical power being converted to heat).

6. Constant-voltage speaker system - Wikipedia

   en.wikipedia.org/wiki/Constant-voltage_speaker...

   Constant-voltage speaker systems are also commonly referred to as 25-, 70-, 70.7-, 100 or 210-volt speaker systems; distributed speaker systems; or high-impedance speaker systems. In Canada and the US, they are most commonly referred to as 70-volt speakers. In Europe, the 100 V system is the most widespread, with amplifier and speaker products ...

7. Line array - Wikipedia

   en.wikipedia.org/wiki/Line_array

   Sound intensity is the acoustic power per unit area, and it decreases as the surface area increases since the acoustic power is spread over a greater area. The ratio between two acoustic pressures in deciBels is expressed by the equation dB = 20log(p1/p2), so for every doubling of distance from the point source p1 = 1 and p2 = 2, thus there is ...

8. Full-range speaker - Wikipedia

   en.wikipedia.org/wiki/Full-range_speaker

   Full-range drivers are seen in applications ranging from televisions and computer speakers, to hi-fi speaker systems. The performance of the driver is substantially affected by their enclosure, and enclosures vary from mundane beige plastic boxes, at the low end of the scale, to large horn loaded enclosures with spectacular audio performance.

9. SpeakerCraft - Wikipedia

   en.wikipedia.org/wiki/SpeakerCraft

   SpeakerCraft was founded in 1976 by Edward Haase, Ken Humphreys and Eugene Humphreys. [2] Beginning as a retail stereo store and original equipment manufacturer of loudspeakers for companies such as Sonance, Niles Audio, Bang and Olufsen, JBL, Polk Audio, and many others, the company evolved into a designer and installer of custom audio systems.