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Leslie WilliamsAug 10, 2025
Why is there no sound coming from my Ground Zero GZIA 1.600HPX-II?
- DDanielle ElliottAug 11, 2025
If the POWER LED is not illuminated, check the fuses in the amplifier, ensure the remote lead is connected, verify the signal leads, recheck the control settings, and confirm the tuner/deck volume level. If the diagnostic LED is illuminated, inspect for a speaker short or amplifier overheating.












