Fusion Sg Da41400 4 Channel Signature Series Amplifier D Class Hand Drills Champion S Tapp CAM VW1 RT Champion S Tapp Wing nuts on both vertical and horizontal position secures and locks pliers in place Signature Series Marine amplifiers are designed and engineered for the harsh Marine environment A high efficiency 1400 Watt amplifier design which ensures low battery drain with a high output This delivers increased power to the connected speakers and or subwoofers 5 way circuitry protection thermal reversed power polarity DC offset protection high + low voltage Product Key Features: Signature Series Marine amplifiers are designed and engineered for the harsh Marine environment A high efficiency 1400 Watt amplifier design which ensures low battery drain with a high output This delivers increased power to the connected speakers and or subwoofers