Never been used just was in the show room open boxe Free shipping 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