Assertion: subwoofer's speaker | /r/AtLocation | phase
Facets:
Source sentences:
text: If the sub and main speakers were in phase, he'd hear a single thump when he connected the battery to the wires leading to the sub's terminals.
text: If your subwoofer and main speakers are in phase, the woofer cones on the subwoofer and the speakers will move forward and backward in sync at the subwoofer crossover frequency.