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  2. Yorkville Sound - Wikipedia

    en.wikipedia.org/wiki/Yorkville_Sound

    In 1966, more products were introduced including the YVM-1 "Voice Master", a portable 45 watt tube amplifier combined with a four-channel microphone mixer. The Voice Master contained 1/4-inch phone jacks for PA speakers, a master volume control, treble, mid-range and bass tone controls and patching points for the TR-1, a spring reverb unit made ...

  3. Electro-Voice - Wikipedia

    en.wikipedia.org/wiki/Electro-Voice

    Electro-Voice RE-27N/D microphone. In 1963, EV received an Academy Award for their 642 Cardiline shotgun microphone, the first ever given for an audio product. [7] Electro-Voice launched its RE Series of microphones in the 1960s, notably the RE15, which was used extensively by musicians on television shows.

  4. Public address system - Wikipedia

    en.wikipedia.org/wiki/Public_address_system

    A public address system (or PA system) is an electronic system comprising microphones, amplifiers, loudspeakers, and related equipment. It increases the apparent volume (loudness) of a human voice, musical instrument, or other acoustic sound source or recorded sound or music.

  5. Audio power amplifier - Wikipedia

    en.wikipedia.org/wiki/Audio_power_amplifier

    Audio stereo power amplifier made by McIntosh The internal view of a Mission Cyrus One hi-fi integrated audio amplifier (1984) [1]. An audio power amplifier (or power amp) amplifies low-power electronic audio signals, such as the signal from a radio receiver or an electric guitar pickup, to a level that is high enough for driving loudspeakers or headphones.

  6. Megaphone - Wikipedia

    en.wikipedia.org/wiki/Megaphone

    It consists of a microphone to convert soundwaves into an electrical audio signal, an amplifier powered by a battery to increase the power of the audio signal, and a loudspeaker to convert the audio signal to sound waves again. Although slightly heavier than acoustic megaphones, electric megaphones can amplify the voice to a higher level, to ...

  7. List of Bose portable audio products - Wikipedia

    en.wikipedia.org/wiki/List_of_Bose_portable...

    The SoundLink Max was released on 16th May 2024 for $399. As of 2024, it is the biggest sounding portable speaker designed by Bose. The system uses Bose articulated array with 3 transducers across the front speaker to deliver a spacious stereo sound. Two custom designed passive radiators are responsible for its big bass. Audio can also be ...