Hey fellas, i recently installed a set of infinity splits in the front doors. well i got autobarn to do it anyway.

i have them amped to an infinity reference 4 ch.


To get to the point, after about a week of having them amped, one of them start to sound like its blown. Lots of bad distortion.
It is really starting to get on my nerves coz they are supposed to be real good quality speakers.

Would anyone know wat the problem is?

What wattage are your splits, and what is the gain set on your amp? I doubt its settings on the amp as it would affect both.... so check the wiring.
I fixed one of my mates installs from Autobarn. They used screw type wire joiners instead of soldering. Even worse they didn't even strip the wires before screwing down on them, just hoped that the screw would bite through the insulation, which it did.... intermittently.

I didnt orignially have them amped when autobarn installed them, just off head unit.

I ran them through the amp by joining the wires from the back of the head unit...

Stock front speaker wire to stock rear speaker wire then from the wires in the boot for the standard 6*9 to the amp. All soldered and taped up.


Splits are to handle 92RMS i think. Gain is set less than half way. Powerful amp!!! lol.

check ur wiring? could be just a dodgy speaker from factory had to take back my pioneer 220 watt 6 1/2 inch splits back for same thing major distortion

they are awesome speakers, have them in my own magna.
id be checking all your speaker cabling on that side for a short or poor connection of some sort..

ill assume they are front door speakers so check all your internal door paraphenalia is tight and not vibrating, and that you have no foreign material down in the cone area, also check the 'spider wires' (wires to the cone- look i dont even think infinitys have them but check anyway) that they are not touching anything.. check that the speaker is mounted firmly too, a poorly mounted speaker will produce poor bass and can distort.

if it is your back parcel shelf, it is most likely the cone hitting the plastic speaker covers, or the magnet transferring vibrations into the boot lid spring.

the upside is if they are blown you will for sure get a free one. they are awesome gear and if it is blown it would have to have been faulty from the factory.

i suppose you could also check if it is the hu by swapping your left and right channel rca leads over @ the amp. if it is the hu or leads, the distortion will move between the left and right speakers. also try that speaker on another channel on the amp. if it then works properly, you have an amp fault. - also unlikely, though reference is infinitys cheap shizzat. (not that it doesn't sound phenomenal anyway :D )

good luck mate :D

I didnt orignially have them amped when autobarn installed them, just off head unit.

I ran them through the amp by joining the wires from the back of the head unit...

Stock front speaker wire to stock rear speaker wire then from the wires in the boot for the standard 6*9 to the amp. All soldered and taped up.


just reading this mate it could be an impedance problem, or a polarity problem, what impedance are your speakers and what impedence is your amp stable @ ??

just reading this mate it could be an impedance problem, or a polarity problem, what impedance are your speakers and what impedence is your amp stable @ ??


Well they are probably the same speakers as yours, but they would most likely be 4-ohm.

Im unsure about the amp.

Also to add its the tweeter distorting. Well thats what i notice the most, i cant really hear the woofer but its a possibility too.

Also, when i first amped them, they were fine, well i thought they were anyway. Sounded fine.

yeah see if you have stock rear and the infinity fronts youll have about 4 ohm a peice, hooked up in parrallell as you do it makes a 2ohm impedance to the amp, now if the amp is 4 ohm stable its going to overload the amp and could even blow it up...

but it could happen slowly..

what model amp is it? i can check the stats...

but to be honest you would be better off running the front and rear off seperate channels...

thats if ive read what you are saying correctly, in that the front and rear speakers are joined?

I didnt orignially have them amped when autobarn installed them, just off head unit.

I ran them through the amp by joining the wires from the back of the head unit...

Stock front speaker wire to stock rear speaker wire then from the wires in the boot for the standard 6*9 to the amp. All soldered and taped up.

Yeah this makes me worried to... and confused...
So you joined positive left OUTPUT from the amp to the positive LH rear speaker terminal and continued straight on to the positive LH front speaker terminal?
Did you use RCAs from the headunit to the amp?
Please explain what you have done carefully, I think you may have an impedance problem.

LMAO no no no im not that silly, im just using the wires. The 6*9s i have are amped as well.

So its just the Splits running on the stock wires running through the car, i only did it to save running another set of speaker wire through the car.

also its not something silly like a badly encoded mp3 youre playing is it, i found with infinitys mp3s often sound shizzity coz you can hear all the distortion in them that you can't hear with crappy speakers.. but cds sound fine.

yeah, well i spose all i can say is the first post then, check for earthing/shorted wires, and try running the faulty sounding speaker on a different amp channel.
if that fails, try for warranty.

OK. to save confusion.

I have 3 sets of RCA's running from HU to 2 amps, a monoblock and a 4 ch.

I have the rear speakers running off the amp from 2 channels, and the splits running off the other two channels.

All i did was use the existing speaker wire that used to power the stock 6*9s and connected them to the splits.

Summed up. +FL joined to +RL
-FL joined to -RL
vice versa with right side.

Then i just joined the RL and RR wires in the boot to the amp. No impedance problem.

oh in that case then... stuffed speaker :P lol

i spoke to the installer at AutoBarn, He says it sounds like a bad/blown xover.

His explination was, since it is both the woofer and tweeter that sound stuffed, must be the xover...

Me thinks i will connect just the woofer to the amp and see if it still does it, if it does, its not the xover...