Assertion: speaker | /r/HasProperty | optimized for those frequency bands
Facets:
Source sentences:
text: Since a sound signal source, be it recorded music from a CD player or a live band's mix from an audio console has all of the low, mid and high frequencies combined, a crossover circuit is used to split the audio signal into separate frequency bands that can be separately routed to loudspeakers, tweeters or horns optimized for those frequency bands.