hey guys,
i bought a 4 gauge wiring kit rated at 1400watts. does anyone know if this is rms ??

because my current amp is 500watts and i wanted to get a 1000watt mono to run my subs and i wasnt too sure if i had enough power lol

the current amp is a 4 channel and the specs are as follows:
kenwood kac m645

500W

Rated Power Output (14.4V )
40W x 4 at 4ohms (20-20kHz 1.0% THD)
60W x 4 at 2ohms (1kHz 1.0% THD)
130W x2 at Bridged 4ohms (1kHz 1.0% THD)

and the mono i want to get is probs gonna be a 1000watt one lol

would i ok with the 4 gauge wiring?? or would i have to upgrade to like 0 gauge

assuming the '1000W' monoblock is 500W RMS, 4ga is fine for both amps. if it really is 1kW and you can on running it flat out for extended periods of time then the monoblock will really want its own 4ga cable.. the other amp will be fine off 8ga, so no point in wasting the 4ga kit youve already bought, just but a run of 8ga to run to the existing 4 channel.

4 gauge is fine to run 2 amps, say a mono and a 4 ch

Im running a 4 ch and a mono no problems at all off a 4 gauge, just run the 4 to the boot and then get a distro block to split the power to each other, you can just run 8 gauge to each if its easier!

As i work in car sound i do alot of installed and sell alot of full system, never had a problem, as we do installs too we always use 4 gauge in a 2 amp scenario or if they are just running a mono and may want to run a speaker amp down the track!

hope this helps

4 gauge is fine to run 2 amps, say a mono and a 4 ch

Im running a 4 ch and a mono no problems at all off a 4 gauge, just run the 4 to the boot and then get a distro block to split the power to each other, you can just run 8 gauge to each if its easier!

As i work in car sound i do alot of installed and sell alot of full system, never had a problem, as we do installs too we always use 4 gauge in a 2 amp scenario or if they are just running a mono and may want to run a speaker amp down the track!

hope this helps

Thats a bit vague man, its like saying 330cc injectors will run any 6 cylinder engine. Anything over about 1kW of constantly usable power I will always say go better than 4ga, or if you plan on competing in SPL. A lot of people do go overkill on their wiring by by no means will '4ga be fine to run a 4 channel and a monoblock' in all scenarios.

http://www.canadiancaraudio.com/cableinfo.html

There is a nice guide to give a basis point to go off in regards to power vs cable size. Keep in mind that guide is based off an amp running at 50% efficiency, and as even an average class AB will run at like 70% efficiency these days, and a class D between 80-90%, I would take their cable size ratings and go 1 smaller, so if it says to use 2ga, 4ga will be suitable.

In fact, I think I will create a thread later using the basis of the information off that canadian site that will be suitable to sticky in the car audio section as this is a question that comes up fairly often.

sweet as cheers guys, will stay with 4 gauge cant wait to get my second amp :)

Im just curious - what subs do you have? like if your running htem now with 130W RMS each at 4ohm going to 500RMS what subs are they? u sure your not overpowering them?

Oh yea on a note about what Woob said - depends alot on your amps efficiency - the Fusion 2 Channel 850W RMS amp yea puts out 850W rms but when it is fed about 150AMPS! no alternator can produce that stock (you'd need a capacitor and even then your alternator will prb onli last a few months) where as with 2 kenwood 2 channel amps you can get 1000WRMS with 80AMPS. :) Efficiency really matters :) i learned after replacing my alternator 4 times :)

nah dont have subs yet just have the 4 channel amp connected to all four speakers. was thinking of getting probs some dual kickers and connecting them to a mono :)

ok so finally got the mono block amp :) installed looks great but i havnt hooked up the wiring lol. i was thinking, getting a distribution block and connecting it to my 4 gauge power wire. then instead of connecting 2, 8 gauge wires to the distributor i was gonna connect one 8 gauge and one 4 gauge. get an 8 gauge wire to run from the distributor to my 4 channel and run the other 4 gauge wire from my distributor to my mono. what do u guys think??

May as well just get a 4ga to 2x4ga distro, youve already got the cable there :)

just went to supercheap and got the distributor, went with the 4 ga to 2x 4ga sounds great just have to get a sick set of subs and it will be off the hook :)

Give the clarion 12" PXW1252 a hear - its 500W RMS - i rekon sounds heaps beta than the kickers of its class -

or the 15" in the same series is what i have 750W RMS - that thing is nuts - I just got the onee! !

yea thats exactly the amount of power i was looking for :) my mono that i got the kac 8104d i think 500Watts rms at like 2 ohm so i'll definately go in and check them out cheers :)

the KAC-7205 puts out 500W RMS bridged (2 channel) at 4 ohm - the sub is 500wrms at 4 ohm as well - urs puts out 300W RMS at 4 ohm so i guess even the clarion 12 - you culd crank it all day and keep ur sub safe :)

Or up the gains more to compensate for the fact that it isnt loud enough and cook it from a clipped signal.

I dare say more subs are smoked from underpowdered amps then they are overpowered amps.

Do yourself a favour and find a sub that can be wired to 2ohm or youve just wasted the potential of that nice new monoblock you just bought.

Or up the gains more to compensate for the fact that it isnt loud enough and cook it from a clipped signal.

I dare say more subs are smoked from underpowdered amps then they are overpowered amps.

Do yourself a favour and find a sub that can be wired to 2ohm or youve just wasted the potential of that nice new monoblock you just bought.

or just get the 300W RMS clarion sub - its perfect for your amp both have a 300W RMS @ 4ohm rating. :)

Why waste potential? Only benefit of running running ohm amp output on subs is increased damping factor. Which I really doubt is going to go noticed given the level of equipment in discussion here.

There is an endless list of 2ohm combination subs that would suit his setup on the market so why bother not getting one?