Need help finding a sub-100 dollar reciever

[Longfoehammer]

I am completely new to the car audio scene, so excuse me if i don't know what i am talking about.

I purchased and installed a Sony CDX-GT57UP, and its pretty good, except the USB port does not charge my android phone (HTC One S). I can't find any information on what the usb port power supply is, so i have no clue if its the head unit's problem, or my phone.

I am looking to replace the unit, and am looking at the:

• JVC KD-X40
  
• Pioneer DEH-2400UB
  

I found that the JVC usb port can supply 1 amp through the port; is that enough to charge my phone?

Any advice would be greatly appreciated.

Thanks

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[trumpet 5,000+ posts]

The USB spec for general use is 900 mA maximum, 5A for charging devices. Head units generally don't go over 1A as it's a safety hazard with the risk of melting the connection. It's not designed to keep up with constant use of the device. You may need to use a 3.5 mm stereo aux cable or Bluetooth and charge the phone separately.