GROUND ZERO
Mobile Entertainment
Amplifier
Owners manual
RADIOACTIVE
GZRA 2100X
GZRA 2200X
GZRA 4100X
GZRA 4200X
GZRA 5100X
GZRA 424DVC
GZRA 4125MA
Marine Amplifier
GROUND ZERO
Mobile Entertainment
PLEASE READ BEFORE INSTALLATION
Thank you for selecting a Ground Zero amplifier. We are providing a helpful hints list
which should keep you from experiencing unnecessary shut down.
Features
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Silver plated terminal strips / RCA jacks
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Adjustable input sensitivity
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Circuit/ thermal/ overload protection
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variable crossover
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Variable subsonic / band pass filter ( GZRA 2200X/ 4200X/ 424DVC/ 4125MA)
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Variable subsonic filter 10Hz – 40Hz (GZRA 5100X)
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Variable phase shift 0 ~ 180° (GZRA 5100X)
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2 Ω stereo stable (bridged 4 Ω)
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Soft delayed remote turn- on
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Low level input (GZRA 2100X also high level)
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Bass boost (GZRA 2200X/ 4200X/ 424DVC/ 4125MA)
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Mono bridgeable
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Differential noise reduction circuitry
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Mosfet switching power supply
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Bass remote control (GZRA 2200X/ 5100X)
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Marine coated circuit board (GZRA 4125MA)
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Waterproof tape
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Waterproof rubber
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24 volt operation (GZRA 424DVC)
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