Fusion Entertainment SG-DA12250 Signature Series Mono Marine Amplifier Powerful mono Block, specifically for customers that want the sub(s) to hit loud and proud Mono Block, 1600 watt, class-d amplifier 2250W of peak power to drive up to 2 Fusion signature subwoofers, 2-ohm Stable 1-piece heavy-duty die cast chassis, 5-way circuitry protection - thermal/reversed power polarity/DC offset protection/high + low voltage Flfc low frequency control-accurate fine tuning of frequency response