Amp is in brand new condition never open r m s power at 1 ohm 12 6 v 3000 w r m s r m s power at 4 ohm 12 6 v 2100 w r m s r m s power at 2 ohm 14 4 v 3600 w r m s r m s power at 4 ohm 14 4 v 2400 w r m s supply voltage9,5 ~ 15 v frequency response10 hz ~25 k hz crossover low pass 50 hz ~25 k hz crossover high pass10 hz ~700 hz signal to noise> 90 d b harmonic distortion< 0,9 % t h d input sensitivity 0,2 v input impedance13 k o h m s impedance output 1 o h m s consumption with signal musical 2 a ~134 a consumption with signal bass 2 a ~269 a r4000 durban bluff p l e a s e r e a d a d d p r o p e r l y i f t h e a d d i s o n i t e m s a r e s t i l l a v a i l a b l e phone or whatsapp 0 6 1 2 5 1 5 1 2 1 0 8 4 3 2 9 6 4 8 8