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<blockquote data-quote="jsloan10" data-source="post: 893125" data-attributes="member: 560397">Take a DMM (digital multimeter)set it to AC voltage, with the appropriate sensitivityhold test leads to the +, - of the channel being testedblast tone or music at maximum unclipped levelrecord highest voltage displayedmultiply voltage by itself then divide by resistance of speaker connected to channel.for example-34 volts peak is recorded, channel is connected to a 2 ohm speaker/loadpeak volts squared34X34=1156divided by resistance1156 / 2= 578 wattsPeak output recorded as 578 watts, to obtain RMS voltage multiply by .727578x.727= 420 watts rmsThis is NOT the most accurate way to find the true RMS rating of your amplifier, there are a lot variables that are not accounted for when you test like this, therefore this test is only to be used to give a better understanding of what your amplifier is capable of doing.</blockquote>

[QUOTE="jsloan10, post: 893125, member: 560397"] Take a DMM (digital multimeter) set it to AC voltage, with the appropriate sensitivity hold test leads to the +, - of the channel being tested blast tone or music at maximum unclipped level record highest voltage displayed multiply voltage by itself then divide by resistance of speaker connected to channel. for example- 34 volts peak is recorded, channel is connected to a 2 ohm speaker/load peak volts squared 34X34=1156 divided by resistance 1156 / 2= 578 watts Peak output recorded as 578 watts, to obtain RMS voltage multiply by .727 578x.727= 420 watts rms This is NOT the most accurate way to find the true RMS rating of your amplifier, there are a lot variables that are not accounted for when you test like this, therefore this test is only to be used to give a better understanding of what your amplifier is capable of doing. [/QUOTE]

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