RMS 400.2S 4Ω Power. 12.6V 2Ω: 2 x 200 W RMS Power 12.6V 4Ω: 2 x 110 W RMS Bridge Power 12.6V 4Ω: 1 x 400 W RMS Current Draw (Max): 39 A THD + N – (10% of rated power): 0.03% Damping Factor: 200 Frequency Response: 5Hz – 20kHz Dimensions (L x W x H) 5.87 x 5.43 x 1.81 in Dimensions (L x W x H) 14.4 x 13.8 x 4.6 cm