Hi guys and girls , I have a 1000 watt sub to fit to my mk2b active sport , do I have to change the head unit ? With it being a blupunkt ( havnt a clue how to spell it) I thought that I wouldn't but people have said other wise , thanks a lot!

not sure on the factory stereo but i think itd be a wise move to get an aftermarket stereo, they going pretty cheap these days anyway

If rather not if I can mate haha I hate them they look cheap and takky in my opinion and I carnt have a double dim !! :-(

id rather not have to get up every morning for work but thats how it goes they dont look that tacky to be honest, i think the factory stereos look dreadful in the puntos but then thats my opinion right? someone could come by and say shut up they look great cant please everyone can you? now ive never worked with a factory stereo in a punto funny as it sounds....only in other cars, but im sure if you pull it out and look at the wires, if it has a blue remote wire for the sub then your in luck if it doesnt then its aftermakt or no sub...

Well that would be a pain because I have just spend a bomb on this sub haha ! Thanks a lot mate

Do you have an amplifier for your 1000 watt sub or are you expecting the head unit amp to power it?

I think your in car audio plans are somewhat misguided if you think you'll get any quality out of the original head unit and speakers and jamming a big subwoofer in the boot.

Realistically the first thing you should change is the head unit followed by the speakers and only then think about a sub and amp

The sub has a built in amp

Well you can run it off your standard head unit but as the head unit has not amplifier outputs you'll need to use a converter, combined with standard speakers it will all sound like a singing contest in a cat blending factory

Right hahah well I've bought an iPhone adapter kit so I could plug my phone into the standard radio that was a huge waste of money ! Haha will have to get a new head unit then ! Thanks a lot

because the standard punto stereo's DONT have the mono/phono cables,
You'd have to steal or splice into the rear speakers and take the 2 feeds from each side

To make the phono cables up, not end of the world
You need to make sure you wire the sub up with a decent power cable and earth return while ensuring its fused correctly

1000w @ 12v = 83amp ish

So thats some sucka of a load on the already stretched power system on the punto

In winter you'd find with the lights fans heater wipers and that - when the sub woofter hits hard, the lights will keep dimming and the car may wanna die
Not only that - such huge power drains could forwell be sucking more / spiking the poor alternator

So defon consider a bigger battery upgrade AND trying to find and fit a rare 1.4 16v Punto's 100amp alternator in the same fitment style as yours!

Good luck!

Ziggy