Rated power measured according to DIN 45500 up to 1% distortion factor in 13,5V
Force Four
1 × 55 watts, channel 1              at 4 Ohm 
2 × 52 watts, channel 1  + 2       at 4 Ohm   
4 × 46 watts, channel 1  up to 4     at 4 Ohm   
Current consumption 24A
efficiency 56,3%
1 × 64 watts, channel 1  + 2 bridged at 4 Ohm
2 × 64 watts, channel 1  + 2 and 3 + 4 bridged at 4 Ohm 
Current consumption 27,8A 
efficiency 33,9%
184 watts total power
 
                 
                 
                 
                 
                 
                 
                 
                