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Message: <blockquote data-quote="hispls" data-source="post: 8481434" data-attributes="member: 614752">If you can't afford 350-400$ to have your 5K amp repaired when it blows up you might want to stick to 1 ohm.There is nothing about having "good voltage" that makes .5 ohm any easier on the semiconductors in your amp.  Heat is quadrupled as you half impedance, efficiency suffers as does SQ.   Assuming you're pushing your pair of subs close to their mechanical and thermal limits you will gain little by way of audible output anyway.... even in a perfect world you aren't gaining that much..... two clicks on the volume knob worth of difference if you're incredibly lucky.Also note that nobody telling you to do this is going to offer to warranty that amp for you if it breaks.If you must run .5 ohm, buy an amp that is rated/warrantied for that sort of use.</blockquote>

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