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<blockquote data-quote="fasfocus00" data-source="post: 8097750" data-attributes="member: 576857"><p>it&#039;s all just math and the number they put at a particular rated voltage. the higher the voltage the higher the number their going to put. example Crossfire and MMATS put there rated numbers at 13.8 volts b/c most vehicles can actually hold that voltage especially the newer ones. other amps that are CEA compliant are rated at 14.4 volts which most newer vehicles don&#039;t hold. take your Sundown amp that has a 150A fuse rating that you are saying puts out 2000, look at the electrical of those that have &quot;clamped&quot; those numbers. those guys are holding a higher voltage to be able to show those numbers. also just because you &quot;clamped&quot; 2000 watts does not mean it&#039;s unclipped or undistorted power. that same amp can yield slightly more power than another amp with the same fuse rating b/c it&#039;s going to be more efficient than those. if you can hold a higher voltage you can get more power out of your amp. back when I first got into car audio in the early 90s, all amps claimed power was at 12v. example Soundstream Class A 5.0 was rated at 12.5 watts x 2 @ 4Ω @ 12v with a 40A fuse, this same amp at 14v bridged would put out ~500 watts at 1/2Ω.</p></blockquote><p></p>

[QUOTE="fasfocus00, post: 8097750, member: 576857"] it's all just math and the number they put at a particular rated voltage. the higher the voltage the higher the number their going to put. example Crossfire and MMATS put there rated numbers at 13.8 volts b/c most vehicles can actually hold that voltage especially the newer ones. other amps that are CEA compliant are rated at 14.4 volts which most newer vehicles don't hold. take your Sundown amp that has a 150A fuse rating that you are saying puts out 2000, look at the electrical of those that have "clamped" those numbers. those guys are holding a higher voltage to be able to show those numbers. also just because you "clamped" 2000 watts does not mean it's unclipped or undistorted power. that same amp can yield slightly more power than another amp with the same fuse rating b/c it's going to be more efficient than those. if you can hold a higher voltage you can get more power out of your amp. back when I first got into car audio in the early 90s, all amps claimed power was at 12v. example Soundstream Class A 5.0 was rated at 12.5 watts x 2 @ 4Ω @ 12v with a 40A fuse, this same amp at 14v bridged would put out ~500 watts at 1/2Ω. [/QUOTE]

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