Assertion: sound system | /r/CapableOf | become capable of playing bass frequencies
Facets:
value: at 30,000 watts
type: TEMPORAL
value: with similar wattage
type: OTHER
value: louder
type: MANNER
Source sentences:
text: As time progressed, sound systems became louder—capable of playing bass frequencies at 30,000 watts or more, with similar wattage attainable at the mid-range and high frequencies—and far more complex than their predecessors.