Never been used just was in the show room open boxe

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ACX-300.4

ALL-WEATHER AMPLIFIER

FOUR/TWO CHANNEL AMPLIFIER

IPX6 RATED

SPEAKER AND LINE LEVEL INPUTS

GTO™ SIGNAL SENSING

QUICK-CONNECT WIRING

CONTINUOUS POWER (RMS) AT 14.4V:

50W X 4 @ 4 OHMS

75W X 4 @ 2 OHMS

150W 4 OHMS BRIDGED