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USER GUIDE AMPLIFIER ATM 2 Ohm / ATM 4 Ohm Active Terminal Module...
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Connections Connection Harness (Mains) Signal left Signal right Remote on Ground +12V 1. disconnect the battery Disconnect the ground connection of the battery before starting the installation. Observe the vehicle manufacturer's information! 2. ground connection (black) Connect the GND / ground wires to the vehicle ground (body). Ensure good contact. The lines should be as short as possible.
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Controls 1. level control Adjust the input sensitivity to the output voltage of the signal source. 2. filter Setting the frequency of the low-pass filter. The correct setting depends on the subwoofer chassis and the frequency response of the main speakers. Tip: If the upper bass is too low, the frequency Increase, decrease the frequency if you tend to boom.
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