Monoprice SSW-8 User Manual page 6

SSW-10 (33830) and SSW-12 (35847)
1. OFF/ON: The power switch turns the subwoofer ON or OFF.
2. CROSSOVER: The rotary control sets the upper frequency for the subwoofer to
handle, from 50-150 Hz. Initially, you should set the CROSSOVER to the lower
frequency for the main speakers, then adjust it until the sound from the
subwoofer blends in with the sound from the rest of the system.
3. LINE IN/LINE OUT: The LINE IN RCA jacks accept a line level signal from the
preamplifier output of a receiver or preamplifier. Use both jacks when
connecting a stereo preamplifier output. Use the L channel input when
connecting to a mono LFE subwoofer output. The LINE OUT jacks pass-through
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