Assertion: subwoofer's bass | /r/CapableOf | filter out one's preamp
Facets:
Source sentences:
text: Withpowered subwoofers, the line level output has the deep bass filtered out, and so one can hook up one's preamp to the subwoofer, and use the subwoofer's line level outputs to the main amplifier, thus freeing it to provide power only to the upper frequencies, so you are less likely to run out of power for them.