[kjoyes]

hi today did some more troubleshoot of the problem i am having i get a echo sound in my speakers like the are not getting enough power from the hu
some time they crackling sound when they cut out. but at times they work great and sound good when i wiggle the wire from the jvc harness that sometimes help contacted sonic electronics about this and put in for a return.

my question is if i have a 4 channel car stereo
Amplifier

KW-XR810



Maximum Power Output

50W x 4



Continuous Power Output (RMS) (CEA-2006 Compliant)

20W RMS x 4 CH at 4 ohms and no more than 1.0% THD + N



MOS-FET Amplifier

Yes



Audio DAC




TI/Burr-Brown 24-bit DAC

Yes



Source-Specific Volume Control

Yes



Volume Attenuator

Yes



Balance/Fader Control

Yes



EQ




3-Band Parametric iEQ

Yes



Loudness Control

Yes (3 patterns)



LPF/HPF Cross Over

Yes



HPF

Yes



Max. Amp Gain Switcher

Yes



Front AUX Input

Yes



Line Output Terminals (Pair)

3 Pairs (Front + Rear + Subwoofer)



Subwoofer Output with Level/Frequency Control

Yes



Load Impedance

4 ohms (4 - 8 ohms allowable)



Line Output Impedance

1 kohms



Subwoofer Output Level

2.5V
will adding tweeters with out a crossover or with one put too much stress on the head units amplifer causing it to fail.....?