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In 2013, Craig Electronics, along with Curtis International and ViewSonic were sued for patent infringement by MPEG LA. [5] In 2003, the company's then-president, CEO, and chairman, Richard I. Berger, was found guilty of fraud. [6] In 2015, Craig Electronics and Curtis International were sued by Seoul Semiconductors for patent infringement. [7] [8]
Computer speakers, or multimedia speakers, are speakers sold for use with computers, although usually capable of other audio uses, e.g. for an MP3 player. 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.
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).
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.
In a departure from previous models, the Boom combines Squeezebox functionality with a DSP, a 30 W [6] integrated amplifier and bi-amped stereo two-way speakers to produce a self-contained device which requires only a network connection (either wired or wireless) and power.
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The OLED screen from the iAUDIO 6 model was replaced by a TFT with 260,000 colors (18 bit colour depth). The device used a swing-control. Audio recordings could only be saved in WMA format, with a user selectable bitrate of 64, 80, 96, or 128 kbit/s. The device played MP3, WMA, FLAC, Ogg Vorbis, WAV, and ASF audio files as well as Xvid videos ...
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 ...