Assertion: low frequency speaker | /r/CapableOf | mount in same frame
Facets:
value: with a built in crossower
type: OTHER
Source sentences:
text: The professional division of the company has a range of drivers mostly intended for PA applications, these include a couple of high power low frequency drive units, a modern version of their famous 604 monitor driver, that unit has both a low frequency speaker and a compression driver mounted in the same frame with a built in crossower, there is also a few high frequency compression drivers and horns available.