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<blockquote data-quote="Diesel69" data-source="post: 8728837" data-attributes="member: 681835">So I was re-setting the gain controls by using a meter and set it to AC volts to the speakers output of the amp while playing the 1khz test tone. I calculated to find the voltage that i need to set the gains to and I got v=12.64. Voltage = square root of watts x ohms.&nbsp; My amp watts RMS is 440 and according to kicker&#039;s power chart (400W 4Ω 40.00V) so 40x4=160 and square root 12.64. So far so good but I haven&#039;t tried adding the sub yet. My amp has two gain controls. I believe the other one is for the sub for channels 3 and 4. How do you find the voltage for my kicker 2ohms compvr sub? power handling: 150-400 watts RMS (200 watts per coil) Hopefully this is what is causing the issue.This is the amp&#039;s specs4-channel car amplifier<ul>
<li data-xf-list-type="ul">65 watts RMS x 4 at 4 ohms (90 watts RMS x 4 at 2 ohms)</li>
<li data-xf-list-type="ul">180 watts RMS x 2 bridged at 4 ohms (4-ohm stable when bridged)</li>
</ul></blockquote>

[QUOTE="Diesel69, post: 8728837, member: 681835"] So I was re-setting the gain controls by using a meter and set it to AC volts to the speakers output of the amp while playing the 1khz test tone. I calculated to find the voltage that i need to set the gains to and I got v=12.64. Voltage = square root of watts x ohms. My amp watts RMS is 440 and according to kicker's power chart (400W 4Ω 40.00V) so 40x4=160 and square root 12.64. So far so good but I haven't tried adding the sub yet. My amp has two gain controls. I believe the other one is for the sub for channels 3 and 4. How do you find the voltage for my kicker 2ohms compvr sub? power handling: 150-400 watts RMS (200 watts per coil) Hopefully this is what is causing the issue. This is the amp's specs 4-channel car amplifier [LIST] [*]65 watts RMS x 4 at 4 ohms (90 watts RMS x 4 at 2 ohms) [*]180 watts RMS x 2 bridged at 4 ohms (4-ohm stable when bridged) [/LIST] [/QUOTE]

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