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Some headphone cords are equipped with a serial potentiometer for volume control. Wired headphones may be equipped with a non-detachable cable or a detachable auxiliary male-to-male plug, as well as some with two ports to allow connecting another wired headphone in a parallel circuit, which splits the audio signal to share with another ...
The Boom Box Boy, or the Game Boy FM Radio, is an accessory that plugs into the Link Cable port on the side of the unit. There are buttons to scan for radio stations or reset the scanning, volume control, [18] and a headphone jack. It could also be used with the Game Boy Pocket. [19]
Connecting a low-impedance load such as a loudspeaker (usually 4 to 8 Ω) to a line out will essentially short circuit the output circuit. Such loads are around 1/1000 the impedance a line out is designed to drive, so the line out is usually not designed to source the current that would be drawn by a 4 to 8 ohm load at normal line out signal ...
By following safe listening practices such as setting a reasonable volume level below 80dB and taking regular breaks from headphone use every 30 minutes or so, you can protect yourself from ...
A short-barrelled version of the phone plug was used for 20th-century high-impedance mono headphones, and in particular those used in World War II aircraft. These have become rare. It is physically possible to use a normal plug in a short socket, but a short plug will neither lock into a normal socket nor complete the tip circuit.
Most kid headphones on the market have features and specs that kids—and adults—both need, most notably volume controls. Dr. Amy says these are the key features to look for in kid-friendly ...