This circuit consists of two separate 20W bridged power amplifiers (one for each channel) based on four TDA2003 monolithic Integrated Circuits to deliver more than 40W of music power into a pair of 4 Ohm speakers. Running on 12V DC, this stereo amplifier is ideal for the car in order to boost the audio power or to drive two more speakers. Supply voltage: 12 � 18V DC @ 3 � 4A.
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