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Mazda Bose Amplifiers

Found in the Mazda 3 / Axela and the Mazda 6 / Atenza, the common faults for these Mazda amplifiers are:

  • No Sound

  • Loud popping / banging sound

  • Distorted sound

  • Sound cutting in / out

Known model numbers:

GAN6 66 920A

BBM4 66 A20

BBM2 66 A20

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