Control Module
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The Subwoofer module (SUB) contains an amplifier.
The amplifier has two channels, one for each voice coil. The output from each channel on the amplifier is 130 W at 4 Ω.
Power booster amplification is set so that the acoustic output from the subwoofer module (SUB) matches the other speaker channels.
Subwoofer module (SUB) is 30 supplied.