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Alpine KTP-445U vs KTP-445A
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<blockquote data-quote="gduncanson" data-source="post: 8824210" data-attributes="member: 687518"><p>Have you gotten your answers?</p><p></p><p>I have the 73bt and the 445a. </p><p>The A doesn't have the controls cuz they're in the radio. I had a 53bt in my Passat and it sounded great. Got a 73bt for my Jetta and it sounds weak. Found a reviewer who tested the 73bt HU and found its really only putting out 5w, not 18w. The Jetta is a lower end car, less sound proofing, road noise, etc so that may explain why. </p><p></p><p>So in the amp instructions it makes it pretty clear that if the factory battery lead is not rated for 15A, you must run a new wire, the Jetta is a 10A so ran a new 14G wire to the harness that adapts from the alpine to the factory radio connection. It's pretty cool that the entire amp sits inline and no cutting required with the A version.</p><p></p><p>Good luck.</p></blockquote><p></p>
[QUOTE="gduncanson, post: 8824210, member: 687518"] Have you gotten your answers? I have the 73bt and the 445a. The A doesn't have the controls cuz they're in the radio. I had a 53bt in my Passat and it sounded great. Got a 73bt for my Jetta and it sounds weak. Found a reviewer who tested the 73bt HU and found its really only putting out 5w, not 18w. The Jetta is a lower end car, less sound proofing, road noise, etc so that may explain why. So in the amp instructions it makes it pretty clear that if the factory battery lead is not rated for 15A, you must run a new wire, the Jetta is a 10A so ran a new 14G wire to the harness that adapts from the alpine to the factory radio connection. It's pretty cool that the entire amp sits inline and no cutting required with the A version. Good luck. [/QUOTE]
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Alpine KTP-445U vs KTP-445A
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