guage

I have 8 guage wire ran to the trunk where I have a 3-way splitter that will power 2 amps and an EQ. The EQ's power input is like 16 or 14 guage max. Is it ok to run this smaller size from my splitter, even though its supplied with 8 guage wire?

Two amps. 1. Rockford Fosgate R500X1D Class D Mono Block----------For my 1 RF P2D2-12 sub •RMS Power Rating: ◦4 ohms: 300 watts x 1 chan. ◦2 ohms: 500 watts x 1 chan. Says use 4 gauge. 2. Hifonics ZRX600.4 A/B------------------ Running 4 6x9s •Max Power Rating: ◦4 ohms: 75 watts x 4...

Here I have 8ft of unused Knukonceptz 0 guage wire, it is blue in color and in new condition, Price is 25 shipped in CONUS.Pics are attached below.