#high fidelity
- Amplifier — A neologistic term adopted from international technical terminology (English / French) used to designate an electronic amplifier, a power station, or an electroacoustic device intended for increasing the amplitude of sound or electrical signals. In current musical jargon and the high-fidelity (Hi-Fi) audio equipment industry, the word is frequently used as such to specify amplification modules dedicated to guitars or professional sound systems.