I recently purchased a Hizpo Android headunit with 9.0 it has 4gb of RAM and 64 internal storage. Anyway my question is, I noticed that the mp3's audio seems to sound alot better than just the FM Tuner. The FM audio sounds really weak. Is there any adjustments I can make to the settings or is that just the way it is. I have a 10 inch kicker Sub that is self amplified and sounds good on the mp3's but on the Tuner it is almost non existent. I don't have the external remote gain for the Sub, but is that what I need to get the sound closer to where the mp3's sound? The unit is installed in a 2007 Ford supercrew cab truck. 
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