4v or 5v?

[I'mPoor:(]

Need a head unit that is nice, not running anything off the HU power. Using all 6 channels for amps. Does the 4v to 5v really make a difference?

Don't want to go over $180. Its for a customer and I already have to buy a dash kit that cost $120.... Metra-99-5827B Its a 2012 Ford Focus (Without Sync).

Trying to decide between these head units.

• http://www.sonicelectronix.com/item_75017_Sony-MEX-GS610BT.html
  
• http://www.sonicelectronix.com/item_43929_Clarion-CZ702.html
  
• http://www.sonicelectronix.com/item_76472_Kenwood-eXcelon-KDC-X798.html

Click to read more...

 

[I'mPoor:(]

After talking with some people decided to go with the Pioneer DEH-X8600BH

 

[whitedragon551 5,000+ posts]

4v, 5v, 2v doesnt make a difference if you have a good amplifier. If you have a crappy amp, then yes it makes a difference.