Hooking up two amps with only one pre-amp?

[codeedrew2]

I am generally new to car audio and I am buying four Kenwood 6x8's to replace my factory speakers. I will be amping them. After that I will be buying a Fi SSD 12 inch sub and will be amping that also. On my current head unit I only have one pre-amp outlet. How will I have to hook up both subs so i can control both the speakers and the subs?

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[mylows10 5,000+ posts]

an eq is what you need

 

[crx4luke 10+ year member]

An eq or an external electronic crossover will work. I had the same issue way back for my first or second setup, so I got an MTX trunk mount crossover. Still have it sitting in the garage not being used actually. It allows for one input and can be split to up to 3 outputs. Just have tofigue out if you want the controls in the front or in the trunk.

 

[Duke4190 10+ year member]

What would be a decent eq to buy?75.00?

 

[crx4luke 10+ year member]

http://www.caraudio.com/forums/head-unit-classifieds/572855-fs-mtx-rt-x02a-crossover.html

I used this for a long time and never had any issues out of it. Works great for exactly what you're looking to do.

 

[audiobaun 5,000+ posts]

Soundstream MPQ 7B Half DIN 7 Band Graphic Equalizer w Subwoofer Control Knob | eBay

Decent in dash/under dash/between the seats ?

 

[audiobaun 5,000+ posts]

Cadence CEQ 773 CEQ773 7 Band Paragraphic Equalizer Subwoofer Crossover | eBay