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A headphone amplifier is a low-powered audio amplifier designed particularly to drive headphones worn on or in the ears, instead of loudspeakers in speaker enclosures. Most commonly, headphone amplifiers are found embedded in electronic devices that have a headphone jack, such as integrated amplifiers , portable music players (e.g., iPods), and ...
In October 2012 the "STREET by 50" line of in-ear, over-ear and on-ear headphones were introduced. [16] [17] The wireless SYNC by 50 communicates using proprietary Kleer Wireless Technology, which claims to provide 16-bit CD quality sound with lossless audio, rather than the standard Bluetooth, and can connect to up to four devices within 50 feet.
Audio stereo power amplifier made by McIntosh The internal view of a Mission Cyrus 1 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 1967, Marshall released a 50-watt version of the 100-watt Superlead known as the 1987 Model. In 1969, the plexiglass panel was replaced by a brushed metal front panel. Other early customers included Pete Townshend and John Entwistle of The Who, whose search for extra volume led Marshall to design the classic 100-watt valve amplifier. [18]
Modern over-the-ear headphones offer incredible sound and impressive noise-cancelling, often for a surprisingly low price. (Photos: 1More, Soundcore, Sony)
A genuine Signetics NE5532N in PDIP package, made in 1990, on a modem board A Texas Instruments SA5532A in SOIC package on an audio distribution amplifier board . The NE5532, also sold as SA5532, SE5532 and NG5532 (commonly called just 5532) is a dual monolithic, bipolar, internally compensated operational amplifier (op amp) for audio applications introduced by Signetics in 1979.