Thread: how to hook up amp to front door speakers?

i have recently bought new door speakers with tweeters and junction boxes
Buy 5.25in Gear Component Speaker System Speakers - Audio PLG5C today at MacConnection i got these for a really good deal so dont say they are crappy. i also have a 12 inch lighting audio 340watt sub and a 280 watt amp already installed i was wondering if i could just hook up the spaekers to the amp or do i have to buy another amp. and aslo do i hook up the speakers directly to the amp or to the amp and then the head unit?

Depends on the amp, how many channels? Does it has a high pass filter? You will need another set of rca's if you're using the sub pre outs on the head unit. You will also have to run speaker wires from the car side of your harness, behind the HU to the amp

i need a 4 channel amp a splitter and speaker wire to hook up the speakers

Assuming your amplifier that is hooked up to your subwoofer is a mono amplifier, you need a second amp (2-channel) to power your front components. You could also look at a fairly high powered 4 channel amplifier to replace your current one. Run the front two channels to your new front speakers and bridge the back channels to get double the power for your subwoofer. Either way you go, you will have to run another RCA cable to the amplifier because currently, you only have the subwoofer output from your head unit and you need the full range output.

i was thinking if i bought a 4 channel amp (because i have a 2 channel right now) that it would take the place of my sub amp right now and just run speaker wire to the ports from the speakers. because i have a 34watt 12 inch sub and 300 watt door speakers so if i have a 300watt amp that i could run both sub and speakers right now.i have 300 watt max speakers so if i hooked up the sub and speakers to the same amp that the wattage would drop on the sub and speakers? right

Yes, you can't run all speakers with the same amplifier and achieve the same wattage to each speakers, not only that, but I'm sure your current 2-channel amplifier isn't stable at the ohms those three speakers would achieve. So, you either need another to channel amplifier, or a powerful 4- channel amplifier to run all three speakers.

what would you say to get wattage wise for 2 300 watt max speakers and 1 340watt max sub. i am getting a 4 channel

You wanna look more at RMS than peak wattage.

i planned on doing that i dont have the oem speakers thew rms wattage is 150

You're gonna want a new headunit with more preamp outputs.

If you do that, I would go with this amp for the fronts Kenwood KAC-7205 2-channel car amplifier — 170 watts RMS x 2 at Crutchfield.com

Unless you're planning on SPL or SQ competitions, there's no need for a speaker wire upgrade. You wont be pushing enough wattage for it to be necessary.

I'm loling at this whole thread. Such a audio noob you are...

Your components you have a high - tweeter and a mid the box you speak of is a crossover. You run one wire from the amp to the crossover and two sets of wires that go to the tweet and mid.

You'll need a distribution block to run two amps or a capacitor to split the power wire.

Get another amp and set of RCA's to run for the high side from the head unit to the amp for your (speakers) not your sub. The sub is on a low pass signal made for subwoofers. I assume you have at least two preouts on your head unit one for speakers and one for subs ?

You do not want to hookup your front speakers to your sub amp. The signal your sub amp is receiving isn't made for normal speakers. It's at a different Hz range ie LOW PASS.

I could get into this more but i'm tired. I hope this clears some things up.

ok so i need another amp What wattage should i get for 300 watt max/150 rms watt speakers
i need another set of rca cables to hook up amp to amp
then i need a splitter to power both amps
and then i need to splice into the romote wire for both amps.
and odviously a ground for the second amp.
is that all ?

So you don't necessarily need another amplifier. Take a look at this amplifier for instance, the Rockford Fosgate Prime R600-4D. This amplifier would provide 100w RMS at 4-ohms to your front speakers then 300w RMS if the rear channels were bridged, to your subwoofer. This setup would simplify all of your wiring but you would still need to run a second pair of full range RCA's to the amplifier.