S-1 electronic subwoofer/satellite crossover
sold out
with parametric frequency controls and active room equalization

The S-1 is connected with RCA cables between pre and main amplifier or integrated amplifier via the PRE-OUT and MAIN-IN RCA jacks. The signal for the main stereo speakers can be routed through the high pass filter, before being fed back to the main/power amplifier thus relieving the main speakers from
unwanted bass signals.The subwoofer signal can be completly and variably adjusted to the subwoofer and individual room acoustics before it is fed to the monoor stereo amplifier (MAIN IN OR AUX),
or to power the subwoofer. 

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