Check power make sure you have solid 12 volts. Disconnect speakers, shorted speaker can cause protection mode to engage. If still in protect mode will need to repair. Kicker does out of warranty repairs on kx series amps or try T.I.P.S contact at linearpower.com. Iirc Ray @ tips was one of the engineers at kicker back when kx series was introduced.
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Check power make sure you have solid 12 volts. Disconnect speakers, shorted speaker can cause protection mode to engage. If still in protect mode will need to repair. Kicker does out of warranty repairs on kx series amps or try T.I.P.S contact at linearpower.com. Iirc Ray @ tips was one of the engineers at kicker back when kx series was introduced.