Assertion: speaker | /r/CapableOf | use passive crossover
Facets:
Source sentences:
text: A large floor monitor might use one or two 15" woofers and a high-frequency driver attached to a high-frequency horn such as the EAW SM159zi stage monitor The speaker might use a passive crossover or might be bi-amped with an active crossover and separate amplifiers for the woofer and high-frequency driver.