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Message: <blockquote data-quote="xluben" data-source="post: 1992869" data-attributes="member: 568852">well, first off you should get the most output at 0.2V setting and least at 8V.with the x600.1 you need to leave the speaker leads connected when you turn on the car!  after the car is on and the amp powers up, then unhook the subs from the amp.  if you unhook the subs and then turn it on, the xe.load will be bypassed and you will get higher voltage readings (therefore you're subs will get less power when hooked back up).make sure the multimeter is set to AC volts (~ on mine).  i have an alpine cda-9856 and i used the same test tone and same settings on my hu, and i needed to turn the gain up a little past 3/4 (0.2V being all the way up, remember) to get a 40V reading (and 800W output).  use a single set of outputs on the amp to take the readings.</blockquote>

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