Ground Zero GZRA 4HD Owner's Manual

Ground Zero GZRA 4HD Owner's Manual

4-channel amplifier

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4-CHANNEL
AMPLIFIER
GZRA 4HD
Owner´s Manual
High-performance class D amplifier
2 ohms stable in stereo mode
4 ohms stable in bridged mode
High-level input with auto-on feature
Adjustable wide band active crossover
Adjustable input sensitivity
Turn-on delay
Thermal protection circuit
Features
RADIOACTIVE SERIES

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Summary of Contents for Ground Zero GZRA 4HD

  • Page 1 4-CHANNEL AMPLIFIER GZRA 4HD Owner´s Manual Features High-performance class D amplifier • 2 ohms stable in stereo mode • 4 ohms stable in bridged mode • High-level input with auto-on feature • Adjustable wide band active crossover • Adjustable input sensitivity •...
  • Page 2 GROUND ZERO GZRA 4HD RADIOACTIVE SERIES...
  • Page 3: Mounting Instructions

    Terms of warranty The limited warranty for this product is covered by GROUND ZERO´s regional distribution partners and their terms and conditions. For further information contact your local retailer or distributor.
  • Page 4: Controls And Features

    GROUND ZERO GZRA 4HD Controls & Features +12V To be connected to the positive terminal of the battery To be connected to the remote output of the head unit* Power terminal (*not required in high-level input mode) To be connected to the vehicle´s ground (or directly to the negative terminal of the battery) If necessary to replace a defective fuse, it´s strongly recommended to...
  • Page 5 GROUND ZERO GZRA 4HD 4-channel mode RCA input wiring 4-channel mode high-level input wiring RADIOACTIVE SERIES...
  • Page 6 GROUND ZERO GZRA 4HD 4-channel mode speaker wiring 2-channel mode (bridged) wiring RADIOACTIVE SERIES...
  • Page 7: Specifications

    GROUND ZERO GZRA 4HD Specifications Model GZRA 4HD Amplifier type 4 channel class D RMS Power @ 4 Ω 4x 175 W (1% THD+N) CEA Standard CEA-2006-A RMS Power @ 2 Ω 4x 275 W (1% THD+N) CEA Standard CEA-2006-A RMS Power @ 4 Ω...
  • Page 8 Some music styles require higher levels while others prefer the soft tones. GROUND ZERO considers all the different wishes of customers during the development of new products. Along with this, the target is to create the most realistic sound, to transfer the soul of the music and the intention of the performer.

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