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<blockquote data-quote="jd9730" data-source="post: 8552415" data-attributes="member: 672428">Setup: Audio Input -&amp;gt; Crossover/Line Driver -&amp;gt; Alpine 5ch amp -&amp;gt; Out to speakers/subThe input is via bluetooth receiver or aux in. No head unit.Everything was working fine for over a year, and the other day I left a light on, almost killing the battery overnight. When I started it, the car barely had enough juice to start, and I had to hold the gas for a bit.But, during my drive home, the audio was totally fine. I got home, parked it for ~8 hours. When I started it back up, I had no volume. Like, it sounds exactly like what happens when you have headphones plugged in and the cable isn&#039;t quite in all the way. Really really faint. If I turn the volume all the way up, I can just barely hear the music.I have power to the amp and crossover, and I used both the bluetooth in and aux in, and I tried different sources (phone, laptop). Checked the grounds as well. I have fuses on the amp, but not the crossover.What could have caused this? And why would it be delayed, and not immediately after the almost-dead battery? I haven&#039;t touched any of the wiring in over a year.</blockquote>

[QUOTE="jd9730, post: 8552415, member: 672428"] Setup: Audio Input -> Crossover/Line Driver -> Alpine 5ch amp -> Out to speakers/sub The input is via bluetooth receiver or aux in. No head unit. Everything was working fine for over a year, and the other day I left a light on, almost killing the battery overnight. When I started it, the car barely had enough juice to start, and I had to hold the gas for a bit. But, during my drive home, the audio was totally fine. I got home, parked it for ~8 hours. When I started it back up, I had no volume. Like, it sounds exactly like what happens when you have headphones plugged in and the cable isn't quite in all the way. Really really faint. If I turn the volume all the way up, I can just barely hear the music. I have power to the amp and crossover, and I used both the bluetooth in and aux in, and I tried different sources (phone, laptop). Checked the grounds as well. I have fuses on the amp, but not the crossover. What could have caused this? And why would it be delayed, and not immediately after the almost-dead battery? I haven't touched any of the wiring in over a year. [/QUOTE]

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