Recent content by longhi18

  1. L

    Alpine MPRf550 Help

    any suggestions?
  2. L

    Alpine MRP-F550 Amp Power???

    I Have an unopened MRP-F550 Alpine 4 channel amp and when I installed it the blue power light turns on and then turns off immediately. I checked voltage coming from the battery, which was 14.4v. What is the problem, the amp has never before been used or anything. Thanks Sorry for posting in...
  3. L

    Alpine MPRf550 Help

    I Have an unopened MRP-F550 Alpine 4 channel amp and when I installed it the blue power light turns on and then turns off immediately. I checked voltage coming from the battery, which was 14.4v. What is the problem, the amp has never before been used or anything. Thanks
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