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

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Known model numbers:

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GAN6 66 920A

BBM4 66 A20

BBM2 66 A20

GDL1 66 A20

GS1E 66 A20

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