I do have an odd whine when I put the key in the ignition or hit the unlock, but once I give actual power to turn on the head unit, I don't notice it anymore. Once I get it all dialed in, it will sound a lot better. At the moment, mine sounds a little hollow for lack of a better term, but I know that I still need to set my crossover points and increase my gain. I just need to take my car away from my neighbors so I can turn the volume up and tune it properly.
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