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Declares product conformity with applicable standards and directives.
Lists compliance with relevant European directives for audio equipment.
Controls power and indicates device operational status (standby, on, protection).
Adjusts speaker output polarity for optimal bass response.
Sets the crossover point and upper frequency range for the subwoofer.
Adjusts the subwoofer's output level to match main speakers.
Selects appropriate equalization settings for the subwoofer.
Controls amplifier turn-on via a 12V signal or audio input.
Connects receiver's Sub out/LFE out to SA1's LFE/XOVER BYPASS.