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<blockquote data-quote="skye3000" data-source="post: 5233413" data-attributes="member: 604123">I&#039;ve searched through the forums and I think I already know the answer to my question. I just wanted to get the opinions of some more knowledgeable Stereo guys. I&#039;ve been away from it for to long. Also I&#039;m new to Alpine equipment and USB Playback.I have a brand new CDA-9886 that I hooked up to a 40GB USB hard drive. The hard drive is powered buy a 5v DC adapter. The head unit is being powered by the factory power wire. I have been having problems with my battery dieing lately, it&#039;s the original battery from 2003. On top of that I have an amp pushing 400 watts to 1 12&quot; sub.On some of the songs, regardless of the volume or the subwoofer level, I am getting a lot of skipping. It sounds like a CD player from 1992. All of the songs are in mp3 format and are encoded at 128kbps or higher at a 44.1k hz sampling rate.Do I have a power issue since the battery is dieing? Should I just go ahead and wire the head unit in directly?I plan on replacing the battery soon but it still starts the car fine so I&#039;m kinda procrastinating until I have an extra buck.</blockquote>

[QUOTE="skye3000, post: 5233413, member: 604123"] I've searched through the forums and I think I already know the answer to my question. I just wanted to get the opinions of some more knowledgeable Stereo guys. I've been away from it for to long. Also I'm new to Alpine equipment and USB Playback. I have a brand new CDA-9886 that I hooked up to a 40GB USB hard drive. The hard drive is powered buy a 5v DC adapter. The head unit is being powered by the factory power wire. I have been having problems with my battery dieing lately, it's the original battery from 2003. On top of that I have an amp pushing 400 watts to 1 12" sub. On some of the songs, regardless of the volume or the subwoofer level, I am getting a lot of skipping. It sounds like a CD player from 1992. All of the songs are in mp3 format and are encoded at 128kbps or higher at a 44.1k hz sampling rate. Do I have a power issue since the battery is dieing? Should I just go ahead and wire the head unit in directly? I plan on replacing the battery soon but it still starts the car fine so I'm kinda procrastinating until I have an extra buck. [/QUOTE]

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