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<blockquote data-quote="Doxquzme" data-source="post: 8925079" data-attributes="member: 689267"><hr /><hr />No, you should not try to run that amp on a 0.5-ohm wired load; the amplifier is not rated for 0.5 ohm operation, and you will void the warranty if, make that when, it blows.Secondly, you have only two options for wiring these subs to that amp, .5 or 2 ohms, so 2 ohms it would have to be.I am not aware that the Soundqubed HDX4 series comes in an 18&quot;, so I&#039;ll assume you meant 15&quot;.They are 2000-watt RMS woofers, so the optimum amplification is somewhere in the 12k range, which you won&#039;t get at two ohms - tough break. The amp is rated for 6950 at 2 ohms, so either get an amp that puts out 12k at 2 ohms or replace the subs with four dual 2 ohm woofers and wire them to 1 ohm.So, how are you supporting that amp, electrically?Additinally, the difference in output between roughly 7k watts and 12k is not very sub-stantial.&nbsp; <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite2" alt=";)" title="Wink&nbsp; &nbsp; ;)" loading="lazy" data-shortname=";)" />In a car, that 5000-watt difference (6950 to 12.5k) is likely to produce only about a 1.5 to 2db difference in output.Are you going to be competing?</blockquote>

[QUOTE="Doxquzme, post: 8925079, member: 689267"] [HR][/HR] [HR][/HR] No, you should not try to run that amp on a 0.5-ohm wired load; the amplifier is not rated for 0.5 ohm operation, and you will void the warranty if, make that when, it blows. Secondly, you have only two options for wiring these subs to that amp, .5 or 2 ohms, so 2 ohms it would have to be. I am not aware that the Soundqubed HDX4 series comes in an 18", so I'll assume you meant 15". They are 2000-watt RMS woofers, so the optimum amplification is somewhere in the 12k range, which you won't get at two ohms - tough break. The amp is rated for 6950 at 2 ohms, so either get an amp that puts out 12k at 2 ohms or replace the subs with four dual 2 ohm woofers and wire them to 1 ohm. So, how are you supporting that amp, electrically? Additinally, the difference in output between roughly 7k watts and 12k is not very sub-stantial. ;) In a car, that 5000-watt difference (6950 to 12.5k) is likely to produce only about a 1.5 to 2db difference in output. Are you going to be competing? [/QUOTE]

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