Aktiv 10S : Great addon for UniK 08 +

The crossover knob (50Hz-180Hz) is just for the subwoofer crossover and does not affect the connected the satellite speakers, like the satellite crossover switch (100Hz or OFF).

By using the satellite crossover switch the connected speakers can run full range (OFF) or with 100 Hz high pass (100Hz) with 24 dB/octave.

The settings of the subwoofer crossover are related to the low end of the ESI uniK 08+ speakers.

The 12 clock position of the potentiometer for the sub crossover is around 115Hz.

By setting the satellite crossover to 100Hz you have can set the subwoofer crossover knob to 11 clock around 100Hz.

The whole thing is of course dependent on the room conditions and should be tried out, but it is best to measure it correctly.

Hope this helps !