Selling my Set of oldschool kicker amps set with modules.
Power of these compare to the new amps? hell double of what they can produce!
CLARITY? 0.01% THD! ;) 
500si with ARG module Active remote gain
200si with AEQ module Active EQ
x50s competition with AMR module Active Mid Range
prestine condition, very well kept, very fresh, never opened or repaired!...
Amps are under rated and superiorly clean sounding _ OLD SCHOOL GOODNESS
500si
@12V
250x2 4ohm no more than 0.01%THD
425x2 2ohm no more than 0.01%THD
850x1 4ohm no more than 0.02%THD
Amplifier has been benched to do over 1200rms at 4ohm 14.4 volts @ 120 amp draw.
3 x 40a maxi fuses
200si
@12V
100x2 4ohm no more than 0.01%THD
170x2 2ohm no more than 0.01%THD
340x1 4ohm no more than 0.02%THD
More or less 500rms at 4ohm 14.4 volts @ 60 amp draw.
2 x 30 amp fuses
x50s Competition
@12v
25x2 4ohm no more than 0.02%THD
50x2 2ohm no more than 0.02%THD
100x2 1ohm no more than 0.02%THD
200x2 0.5OHM no more than 0.05%THD
100x1 4ohm no more than 0.02%THD
200x1 2ohm no more than 0.02%THD
400x1 1OHM no more than 0.02%THD
2 x 30 amp fuses
Based on test, the x50s is as powerful as the 200si!
The amp comes with its box, complete manuals and its birthsheet benched at 498.8rms at 1ohm!
All modules included are rare especially the ARG and AEQ
S/N ratio of every amps are 100db
sorry, not knocking my Kicker, as it is a very nice pieces (set)!
Old School USA made (internal components,assembly and every bit of the pieces) straight from Stillwater!
Hit me your offers! im willing to ship the amps to US at your expense!
amps like this comes really rare!