The term 'AMP SETTING' is a combination of two words, 'AMP' and 'SETTING'. 'AMP' stands for Amplifier, which is an electronic device used to increase the power of a signal. 'SETTING' refers to the adjustment of the amplifier's parameters to achieve the desired sound. The crossword solution for this term is 'TREBLE', which is a type of audio frequency range that is typically used to boost the higher frequencies of a sound.