Wiring Size Question


New member
Username: Crazyfool289

Post Number: 2
Registered: Apr-05
im going to have a kicker kx850.2, would 4 gauge be good or should i go with 2 gauge?????????

Bronze Member
Username: Volfenhag1200

Post Number: 26
Registered: Mar-05
the only time you really need 2 gauge wire is if you are gonna hook up mutiple amps with lots of power from them. 4 gauge should be fine with your amp

New member
Username: Crazyfool289

Post Number: 4
Registered: Apr-05
thanx dude i'll go with 4 guage. hey do you know anything about impedence??? like should i go with 2 ohms or 4 ohms if im bridging a single sub? by the way its gonna be a 15" L7 (on that kx850.2) if that makes any difference

Gold Member
Username: Glasswolf

NorthWest, Michigan USA

Post Number: 7637
Registered: Dec-03
4AWG is good for up to 150A peak current. that amp will draw under 100A, so yeah 4AWG is fine.
If you add another amp consider larger power cable and a distribution block at the amps to split to smaller 4 or 8ga cable as needed per amp.

Bronze Member
Username: Msully701

Stratford, Connecticut US

Post Number: 54
Registered: Apr-05
hey im trying to look into a higher amp alt and a D block. I was ganna run 4 guage from the battery to a d block. I have a kicker kx1200.1 and kx350.2. they both say to use 4 guage for the amp, so should I run 4 guage from the battery then d block it to two 4 guage wires for the amps so im running 4 guage all the way through or should I go 2 guage to two 4 guage wires to the amps? oh yeah and my alt im looking into a 200a alt because ill be pushing 1,680 watts rms and a under body glow kit, plus an alarm any advice?
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