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<blockquote data-quote="n2audio" data-source="post: 94784" data-attributes="member: 540940">My take is...Yes, I think you&#039;d notice a fairly significant difference, and that difference would not be better crossovers, or better build quality, and certainly not THD.&nbsp; It would be about power.Your 50x4 budget amp (profile, Lanzar Vibe, Jensen etc.) is not likely to put out rated power, especially at typical input voltage (13.5-13.8).&nbsp; It would likely be something more like 40x4.&nbsp; While a higher level amp will (or at least SHOULD) put out significantly MORE than rated power, maybe 60x4.That&#039;s a 33% difference in output.&nbsp; ANYONE could hear that.For example:<a href="http://www.carsound.com/reviews/amps/opti1004.html" target="_blank">http://www.carsound.com/reviews/amps/opti1004.html</a>The optidrive 100.4 is rated for 50x4 at 4 ohms and the test above shows it to put out 70x4.</blockquote>

[QUOTE="n2audio, post: 94784, member: 540940"] My take is...Yes, I think you'd notice a fairly significant difference, and that difference would not be better crossovers, or better build quality, and certainly not THD. It would be about power. Your 50x4 budget amp (profile, Lanzar Vibe, Jensen etc.) is not likely to put out rated power, especially at typical input voltage (13.5-13.8). It would likely be something more like 40x4. While a higher level amp will (or at least SHOULD) put out significantly MORE than rated power, maybe 60x4. That's a 33% difference in output. ANYONE could hear that. For example: [URL="http://www.carsound.com/reviews/amps/opti1004.html"]http://www.carsound.com/reviews/amps/opti1004.html[/URL] The optidrive 100.4 is rated for 50x4 at 4 ohms and the test above shows it to put out 70x4. [/QUOTE]

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