Assertion: v accordion | /r/HasAspect | an output jack
Facets:
value: for plugging it
type: PURPOSE
Source sentences:
text: Some digital accordions, such as the Roland V-Accordion, have a built-in power amplifier and speaker, which means that these instruments can be played at rehearsals and small venues without plugging them in (the V-Accordion also has an output jack for plugging it into a keyboard amplifier or PA system).