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<blockquote data-quote="jmw703" data-source="post: 7483161" data-attributes="member: 636263">Ok, so i orginally posted a few weeks ago because my new system , 2 kicker cvrs and hifonics brz1200 were not playing very loud.I ended up finding out there was a weak rca signal, i assumed it was from the head unit, i installed a pac turbo signal booster and used a multi meter to set the voltage on the speaker terminal of the amp to 40.&nbsp; It worked great for a few days but then i noticed the system got a whole lot quieter.I checked the voltage output on the terminals again to find out only 25 volts were being put out by the amp at the gain setting which previously achieved 40.&nbsp; I assumed the signal booster stopped working so i took it back and decided to buy a new head unit,&nbsp; Alpine cde-123 with 3 4v outputs as opposed to the previous single 2v on my old cde-100.&nbsp; The problem persists,&nbsp; with the gain set at 4v the sub volume is very low, even at 2v+ (to achieve the 40 v output) its no louder than my previous 10 inch pioneers that were only getting 90 rms a sub from a crappy lightning audio 2 channel amp.The amp is getting 13+v of power from the battery and the ground is secureThe Hu settings have the sub set on and SW level to +15It is NOT the rca wiring, i switched the cheapo wire i had for RFK rca wire,&nbsp; there was a noticable difference but it clearly wasnt the problemMy question is,&nbsp; is my amp most likely the source of the problem?&nbsp; I got this system a few weeks ago and i havent been able to get it to work correctly,&nbsp; im very annoyed at this point.EDIT:&nbsp; JUMP TO PAGE TWO THE AMP IS NOT THE PROBLEM.</blockquote>

[QUOTE="jmw703, post: 7483161, member: 636263"] Ok, so i orginally posted a few weeks ago because my new system , 2 kicker cvrs and hifonics brz1200 were not playing very loud. I ended up finding out there was a weak rca signal, i assumed it was from the head unit, i installed a pac turbo signal booster and used a multi meter to set the voltage on the speaker terminal of the amp to 40. It worked great for a few days but then i noticed the system got a whole lot quieter. I checked the voltage output on the terminals again to find out only 25 volts were being put out by the amp at the gain setting which previously achieved 40. I assumed the signal booster stopped working so i took it back and decided to buy a new head unit, Alpine cde-123 with 3 4v outputs as opposed to the previous single 2v on my old cde-100. The problem persists, with the gain set at 4v the sub volume is very low, even at 2v+ (to achieve the 40 v output) its no louder than my previous 10 inch pioneers that were only getting 90 rms a sub from a crappy lightning audio 2 channel amp. The amp is getting 13+v of power from the battery and the ground is secure The Hu settings have the sub set on and SW level to +15 It is NOT the rca wiring, i switched the cheapo wire i had for RFK rca wire, there was a noticable difference but it clearly wasnt the problem My question is, is my amp most likely the source of the problem? I got this system a few weeks ago and i havent been able to get it to work correctly, im very annoyed at this point. EDIT: JUMP TO PAGE TWO THE AMP IS NOT THE PROBLEM. [/QUOTE]

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