"Supply current" is for the USB port. The USB standard limits the output
current supplied by a USB port to 0.5 amps.
"Consumption Current" is for the unit itself.
The 10A figure is of importance here. The 10 amps is likely a peak value
(volume dependent) at 13.8 VDC (nominal).
The audio output is rated 50 watts x 4 channels = 200 watts. At less than max
volume, the unit will use correspondingly lower current .. unless the output
amplifiers are running class 'A' (highly unlikely) .. but that's a topic for
another day, and another venue.
Dan
--- On Thu, 9/3/09, hol...@sbcglobal.net <hol...@sbcglobal.net> wrote:
> From: hol...@sbcglobal.net <hol...@sbcglobal.net>
> Subject: [RE-wrenches] Consmption current?
> To: "RE-wrenches" <re-wrenches@lists.re-wrenches.org>
> Date: Thursday, September 3, 2009, 4:30 PM
> Designing stand alone bus stop
> system. Client is wanting to put in a radio/mp3/cd unit
> (please don't ask me why). I am a bit confused in looking at
> the specs.....they show maximum "supply current" of 500mA
> and "consumption current" at 10A.......not familiar with the
> difference in those two.....link to full specs-
>
> www.amazon.com/Kenwood-KDC-MP342U-Receiver-Satellite-Bluetooth/dp/tech-data/B001P7TYTK/ref=de_a_smtd
>
> 10A?? Must be a helluva CD motor.
>
> Holt E. Kelly
> Holtek Fireplace & Solar Products
> 500 Jewell Dr.
> Waco TX. 76712
> 254-751-9111
> www.holteksolar.com
>
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