Assertion: keyboard amplifier | /r/HasAspect | mixer
Facets:
value: for two
type: OTHER
value: almost always
type: TEMPORAL
value: for four keyboards
type: TRANSITIVE-OBJECT
value: for three
type: OTHER
value: with inputs
type: OTHER
Source sentences:
text: Keyboard amplifiers differ from guitar amplifiers and bass amplifiers in that whereas guitar and bass amps are usually designed for use with one guitar at a time, keyboard amplifiers almost always have a mixer with inputs for two, three, or four keyboards, because many performers often use multiple keyboards.