Bass Blockers Won't Work

No its not like that, i have 2 kenwood 6969s in the back.(60 WATTS RMS with no amplifier on them)).now without the bass blockers i can turn the speakers all they way up (50/50) with the bass all the way to max, and they work great, you just cant  hear the actual music cuz theres so much bass., thats why i wanted bass blockers.now when i attach the bass blockers, THATS when they start getting all choppy and scratchy when i turn the HU volume up to about halfway (24/50), even with the bass all the way down... The speakers are fine its just that something about the bass blockers is making the speakers mess up, or the HU clip, or whatevers happening..i just wanted them until i hook my real amp to my sub and hook the 4 channel to my speakers thats all, i just want to know why it sound like that (ONLY WHEN THE BASS BLOCKERS ARE ON)

SORRY IF I DIDN'T EXPLAIN MYSELF COMPLETELY THE FIRST TIME.

did you hook up the capacitors (bass blockers) in line with the positive wire?

The other thing that happens, when you install something like that is that it makes the impedence change. Often you read about 2 ohm and 4 ohm loads, and you realize that 4 ohms is easier on the amplifier. Some ampilfiers actually like the heavier load, and putting the capacitors on causes the amplifiers to become unstable. My suggestion would be to try something simple like a 10 ohm resistor in parallel with the resistor. I dont think that you are exceeding the voltage rating of the caps. I have built home speakers for use on 100WPC amps using only tiny 35V caps without any major problems.

GOod luck!

I meant  put the resistor in parallel with the capacitor. Sorry about that.  The 10 ohm resistor should still help keep out most of the bottom end.