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Home >> Volvo >> 2009 >> XC70 Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Electrical Modules And Components - Design And Function - 5 Of 5 >> Subwoofer Module (Sub) >> Design >> Control Module
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Control Module

Fig 1: Identifying Subwoofer Module (SUB)
GLL160693Courtesy of VOLVO CARS CORPORATION

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.