yes, 4 gu should be fine.

Should be OK... unless those amps draw an unusually large ammount of curent
(which they probably dont)

Go for it

Garrett

To determine the appropriate Power Cable size use this:

Total 4-ohm rated RMS output x 2 = Total input wattage

Total input wattage / supply voltage = current draw (in amps)

First determine the 4-ohm rated RMS power output of the amplifier(s)
Add these together.
Multply the TOTAL RMS rating (both left and right channels) by 2.
The resulting figure is the total input power draw in watts.
Divide the wattage draw by 13 (the average vehicle supply voltage.)
The number you now have indicates the current draw, in amps, for th
amplifier(s).
Calculate the approximate footage of wired needed for the syste
install.

Example:

An amplifier having two (2) channels at 50 watts per channel RMS ratin
into 4-ohms:

100 x 2 = 200 / 13 = 15.38 Total amperage draw

If the same amplifier is driven into a 2-ohm load:

100 x 2 x 2 =400 / 13 = 30.77 Total amperage dra

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SFarri