Gain controled headphone amplifiers

Gain Control

— a regulator that allows you to change the input sensitivity of the amplifier, in other words, change the gain. The higher the "gain" — the higher the final volume of the sound (with the same characteristics of the headphones and the input signal).

Most often, modern headphone amplifiers provide the simplest two-stage (High / Low) or three-stage (High / Mid / Low) sensitivity adjustment. However, even such a setting provides additional features for coordinating the signal source, amplifier and headphones. For example, the ability to increase Gain may come in handy when changing headphones to higher-impedance or less sensitive ones: a weak gain sometimes does not allow you to achieve the desired volume on such “ears”. Conversely, for sensitive headphones, a high degree of gain may be excessive.