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<blockquote data-quote="keep_hope_alive" data-source="post: 7877334" data-attributes="member: 576029">i use a cable that has the Apple 30 pin on one end and a 3.5mm stereo audio and separate USB connector on the other end.&nbsp; This provides audio separate from the USB connector which is for charging only.&nbsp; I then installed a cig lighter usb adapter (2.1A) in the center console so i just have the one cable that uses the 30 pin only.audio quality is identical to the headphone jack but more reliable physically.&nbsp; it is not volume controlled, however.&nbsp; it is a fixed volume signal.&nbsp; so the head unit provides volume control (and may other audio processing features).&nbsp; the only audio output that you can change the volume of is the headphone jack - which is not reliable if you put any strain on the connector.<img src="http://ak.buy.com/PI/0/500/241373375.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />there is no audio on the USB connector, it is charging and digital data transfer only.if you want it to sound good, you should buy a nice head unit.</blockquote>

[QUOTE="keep_hope_alive, post: 7877334, member: 576029"] i use a cable that has the Apple 30 pin on one end and a 3.5mm stereo audio and separate USB connector on the other end. This provides audio separate from the USB connector which is for charging only. I then installed a cig lighter usb adapter (2.1A) in the center console so i just have the one cable that uses the 30 pin only. audio quality is identical to the headphone jack but more reliable physically. it is not volume controlled, however. it is a fixed volume signal. so the head unit provides volume control (and may other audio processing features). the only audio output that you can change the volume of is the headphone jack - which is not reliable if you put any strain on the connector. [IMG]http://ak.buy.com/PI/0/500/241373375.jpg[/IMG] there is no audio on the USB connector, it is charging and digital data transfer only. if you want it to sound good, you should buy a nice head unit. [/QUOTE]

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