13. Subsonic filter selection switch
• Subsonic filter ON/OFF control switch
14. Phase Switch
• Adjust the speaker phase to either 0 or 180 degrees.
15. Variable Subsonic filter frequency Adjustment
• Adjust from 15Hz to 50Hz with a slope of 24dB per octave. This
allows for the attenuation of frequencies that are mostly
inaudible and cause unnecessary strain on the amplifier.
16. Remote
• Remote Gain control connecter
5
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