Mach CI4, Руководство пользователя, Страница: 23 / 25

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Troubleshooting
Installing a Mach professional speaker system should be problem-free. However,
installation errors or amplifier faults can impair sound quality.
If cables are not connected in phase, or if connections are bad, you may
experience lack of bass due to phase cancellation or
no sound at all. All cables must be connected positive to positive, negative to
negative.
The speakers have passive components that cannot cause any noise, hiss or
hum by themselves.
If you can hear any undesirable noise, check the amplifier or the cables.