Cut Off Frequency Control for LPF
You can select a cut off frequency from 40 to 240 Hz.
Subsonic Select Switch
The subsonic filter cuts inaudible fre- quencies below 20 Hz to eliminate unwanted vibrations and minimize power loss.
BFC (Beat Frequency Control) Switch
If you hear a beat while listening to an MW/LW broadcast with your car stereo, change the BFC switch using a small standard tip screwdriver.
Power Indicator
The power indicator lights when the power is switched on.
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