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  2. List of Bluetooth profiles - Wikipedia

    en.wikipedia.org/wiki/List_of_Bluetooth_profiles

    Bluetooth HID is a lightweight wrapper of the human interface device protocol defined for USB. The use of the HID protocol simplifies host implementation (when supported by host operating systems) by re-use of some of the existing support for USB HID in order to support also Bluetooth HID. Keyboard and keypads must be secure.

  3. Bluetooth - Wikipedia

    en.wikipedia.org/wiki/Bluetooth

    Bluetooth is a short-range wireless technology standard that is used for exchanging data between fixed and mobile devices over short distances and building personal area networks (PANs). In the most widely used mode, transmission power is limited to 2.5 milliwatts, giving it a very short range of up to 10 metres (33 ft).

  4. Headphone amplifier - Wikipedia

    en.wikipedia.org/wiki/Headphone_amplifier

    Distribution headphone amp - front panel Distribution headphone amp - back panel. In pro-audio terminology, a headphone amplifier is a device that allows multiple headsets to be connected to one or more audio sources (typically balanced audio sources) at the same time to monitor sounds during a recording session, either singing or playing from ...

  5. Phone connector (audio) - Wikipedia

    en.wikipedia.org/wiki/Phone_connector_(audio)

    Phone connector (audio) Phone plug mated in a phone socket. The plug's grooved tip is held firmly by the socket's spring tip contact. When not mated, this spring instead connects to the flat switch contact for detecting a plug. A phone connector is a family of cylindrically -shaped electrical connectors primarily for analog audio signals.

  6. 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 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.

  7. Peavey Electronics - Wikipedia

    en.wikipedia.org/wiki/Peavey_Electronics

    Peavey Electronics Europe, Ltd. Website. www.peavey.com. Peavey Electronics Corporation is a privately-owned American company which designs, develops, manufactures, and markets professional audio equipment. [ 2] Headquartered in Meridian, Mississippi, Peavey is one of the largest audio equipment manufacturers in the world.

  8. Noise-cancelling headphones - Wikipedia

    en.wikipedia.org/wiki/Noise-cancelling_headphones

    Noise -cancelling headphones alongside a carry case. Noise-cancelling headphones are headphones which suppress unwanted ambient sounds using active noise control. This is distinct from passive headphones which, if they reduce ambient sounds at all, use techniques such as soundproofing . Noise cancellation makes it possible to listen to audio ...

  9. Fender amplifier - Wikipedia

    en.wikipedia.org/wiki/Fender_amplifier

    The Princeton was a small six watt amp with an 8" Jensen field-coil speaker. This amp had no controls as it was designed for the guitar to solely control the volume and was simply turned on by plugging/unplugging into the wall plug. The Deluxe was a larger amp with a Jensen 10” field-coil speaker and five tubes in a 14-watt design.