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<blockquote data-quote="morbidj" data-source="post: 2390208" data-attributes="member: 572135">My setup is as followsBig 30 Guage from battery back4 guage to each ampAmps:door speakers1x Kenwood KAC-8452800 Watts max power70 Watts x 4 max (4 ohms) RMS90 Watts x 2 (2 ohms) RMSSub amps2X Kenwood X811DMaximum Output Power (14.4V): 1600WRated Output Power (14.4V)400W x 1 at 20-200Hz 0.5%THD (4 Ohms)800W x 1 at 100Hz 0.5%THD (2 Ohms)Over 1000W x 1 at 100Hz 1.0%THD (1 Ohms)Rated Output Power (12.0V)300W x 1 at 20-200Hz 0.5%THD (4 Ohms)600W x 1 at 100Hz 0.5%THD (2 Ohms)I have 2 06 L7&#039;s with dual 4 ohm VC&#039;s to present a 2ohm load to each X811D amp.They are in a 5cube 35hz tuned box; dont know if that matters...My alternator is 130amp in a 03 grand cherokeeIm having the wiring finished tomorrow and am thinking about picking up a 34 yellow top from autozone and having that installed. Is the extra battery in my case a necessity at this point, good idea, or just a waste of money? Caps are expensive I would rather run the battery over a cap..</blockquote>

[QUOTE="morbidj, post: 2390208, member: 572135"] My setup is as follows Big 3 0 Guage from battery back 4 guage to each amp Amps: door speakers 1x Kenwood KAC-8452 800 Watts max power 70 Watts x 4 max (4 ohms) RMS 90 Watts x 2 (2 ohms) RMS Sub amps 2X Kenwood X811D Maximum Output Power (14.4V): 1600W Rated Output Power (14.4V) 400W x 1 at 20-200Hz 0.5%THD (4 Ohms) 800W x 1 at 100Hz 0.5%THD (2 Ohms) Over 1000W x 1 at 100Hz 1.0%THD (1 Ohms) Rated Output Power (12.0V) 300W x 1 at 20-200Hz 0.5%THD (4 Ohms) 600W x 1 at 100Hz 0.5%THD (2 Ohms) I have 2 06 L7's with dual 4 ohm VC's to present a 2ohm load to each X811D amp. They are in a 5cube 35hz tuned box; dont know if that matters... My alternator is 130amp in a 03 grand cherokee Im having the wiring finished tomorrow and am thinking about picking up a 34 yellow top from autozone and having that installed. Is the extra battery in my case a necessity at this point, good idea, or just a waste of money? Caps are expensive I would rather run the battery over a cap.. [/QUOTE]

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