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Car Audio Help
Wiring, Electrical & Installation
Will my stock 105 amp alternator be able to handle 700-750 watts rms
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<blockquote data-quote="Mcdaddy7777" data-source="post: 8754955" data-attributes="member: 675750"><p>Car audio noob here.</p><p></p><p>I am hoping to install a 700-750 watt rms system in my Honda Fit 2016 EX.</p><p></p><p>[URL unfurl="true"]https://www.crutchfield.com/p_575R2200X2/Rockford-Fosgate-R2-200X2.html[/URL]</p><p>[URL unfurl="true"]https://www.crutchfield.com/p_109CL600A/JBL-Club-A600.html[/URL]</p><p></p><p>I've asked multiple different auto parts stores and car audio stores, and I get different answers. Some say yes, I should upgrade my alternator, and others say I should not worry about it. I spoke with a rep at Crutchfield, and he didn't think I should upgrade the alternator, but did believe a 2nd battery would make sense. The reason for this is I cannot find a battery that will fit in the factory location that is at least 700 cranking amps. My factory battery is 450 CA group 151 (tiny battery). This is the battery I ordered.</p><p></p><p>[URL unfurl="true"]https://www.crutchfield.com/p_122XP750/XS-Power-XP750.html[/URL]</p><p></p><p>Another thing I get multiple different answers on is if I need make sure I have matching batteries when wiring in parallel. The rep from Crutchfield said that it should be fine to wire the XP750 in parallel with the stock. He felt in my situation I should be fine. If he's wrong and they actually do have to match, wouldn't a diode battery isolator solve this problem?</p><p></p><p>Also, can adding a 2nd or more powerful battery actually cause stress and destroy the 105 amp alternator? I always thought that it is the demand of the amps that would put stress on the alternator and not the battery. </p><p></p><p>I have a hard time believing that I actually need to upgrade my alternator for a 700-750 watts rms system.</p><p></p><p>Any help would be appreciated!</p></blockquote><p></p>
[QUOTE="Mcdaddy7777, post: 8754955, member: 675750"] Car audio noob here. I am hoping to install a 700-750 watt rms system in my Honda Fit 2016 EX. [URL unfurl="true"]https://www.crutchfield.com/p_575R2200X2/Rockford-Fosgate-R2-200X2.html[/URL] [URL unfurl="true"]https://www.crutchfield.com/p_109CL600A/JBL-Club-A600.html[/URL] I've asked multiple different auto parts stores and car audio stores, and I get different answers. Some say yes, I should upgrade my alternator, and others say I should not worry about it. I spoke with a rep at Crutchfield, and he didn't think I should upgrade the alternator, but did believe a 2nd battery would make sense. The reason for this is I cannot find a battery that will fit in the factory location that is at least 700 cranking amps. My factory battery is 450 CA group 151 (tiny battery). This is the battery I ordered. [URL unfurl="true"]https://www.crutchfield.com/p_122XP750/XS-Power-XP750.html[/URL] Another thing I get multiple different answers on is if I need make sure I have matching batteries when wiring in parallel. The rep from Crutchfield said that it should be fine to wire the XP750 in parallel with the stock. He felt in my situation I should be fine. If he's wrong and they actually do have to match, wouldn't a diode battery isolator solve this problem? Also, can adding a 2nd or more powerful battery actually cause stress and destroy the 105 amp alternator? I always thought that it is the demand of the amps that would put stress on the alternator and not the battery. I have a hard time believing that I actually need to upgrade my alternator for a 700-750 watts rms system. Any help would be appreciated! [/QUOTE]
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Will my stock 105 amp alternator be able to handle 700-750 watts rms
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