Hi I use an auxiliary input wire (KCA-121B) with this stereo. How ever this inout is very noisy (static, some times varies with RPM read on). In all other modes of operation the stereo has a cristal clear sound. There are two things I plug in to the stereo one is my navigation system, NUVI 660 and the noise can be heard at half level and it intensifies if I touch the screen, when playing music the noise is not noticeable, the sound quality is good and the full range can be heard from base to treble quite well. The other device I would like to be able to use is nokia N81 phone, how ever when I plug it in the noise is much more pronounce and can be heard while playing music via phone through the alpine unit. Noise intensifies much more when moving a hand over phones screen, the phone has no touch screen functionality. The quality of music sucks.. and after being disgusted with this I plugged my nuvi back in the sound quality deteriorated no base can be heard, and static noise is variable with rpm. Leaving auxiliary wire unplugged for a couple days remedies the situation for nuvi, but he phone can not be used satisfactory. The phone works fine with other devices, like home theater system, headphones and computer speakers. I should say that my pervious phone (nokia 5300) worked fine the unit, by fine I mean on the same level of bearable noise as the navi system. Any Ideas? Is their a filter I should try to use?
Sounds like what you are experiencing is feedback. Go to any local audio store and ask for a ground loop isolator. It is in lehmens terms a noise filter. Basically it is a go between your device and input via RCA. See if this takes care of the problem. Good luck
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I have the same problem with the KDC-x817 and i tried following these steps, but when I am in the menu and scrolling through the options, I don't see anything that says AUX off. Am i missing something??
The IDA-X300 has a USB jack on the back of the unit. You can plug an iPod USB cable (just like you use to connect the iPod to the computer) into this jack, or you can attach a USB thumb drive loaded with music files.
It is not compatible with generic MP3 players other than the iPod, but you can buy an adaptor (KCA-121B Ai-NET/RCA) which will let you connect axillary inputs like MP3 player, DVD players, etc.
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Setting the AUX Mode (V-Link)
AUX IN ON / AUX IN OFF (Initial setting)
You can input TV/video sound by connecting an optional Ai-NET/
RCA Interface cable (KCA-121B) or Versatile Link Terminal (KCA-
410C) to this component.
You can change the AUX name display when AUX ON is set. Select
the AUX name by pressing g or f. Then press BAND.
If the KCA-410C is connected, it is possible to select two AUX
• Via KCA-410C, up to 2 external devices with RCA output can be
connected. In this case, press SOURCE/POWER to select AUX
mode and then press BAND to select your desired device.
iPod Adapter Compatible: Using the KCA-iP500 iPod Control Interface, you can connect your Apple iPod digital music player to this receiver. The interface (item # 113IP500) plugs into the receiver's 13-pin CD changer input and controls the iPod through the receiver's controls, as well as displays the iPod's text information right on the receiver's display.
Your problem stems from the fact that the CDA-7892 is not equipped with an RCA aux-input jack. If you're plugged into RCA connectors at the back of the head unit, they're outputs, not inputs. The sound you hear is just feeding back through the outputs and into the head unit's amplifier.
If you want to play your iPod through this head unit, you need to purchase either the auxiliary input adapter (KCA-121B) or iPod adapter (KCA-420i).