Fusion Sg Da41400 4 Channel Signature Series Amplifier D Class Vices Accessories Specifications: Clamping width internal: 90mm CPS529 Specifications: Clamping width internal: 90mm Clamping width external: 133mm Clamping depth: 97mm Spindle thread: M14 x 1 Discharge: 21 LPM 7 GPM Bung: 2 for use with drums Fits: 205 litre 55 gal 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 Specifications: Total rated power output 4 Ohm (Watts) 4 channel: 150 W RMS x 4 @ 14