Originally Posted by carhopper
Good morning, let me say first that I have been reading all related articles for a week regarding the poor sound quality of the sound bar in our wranglers. I have contemplated the 77KCK053 upgrade, but most say it doesn't help at all for the soundbar. In fact, the only favorable articles I have read is from people that replaced the factory head unit to regain the full EQ for the rears.
I have the base sound system without any factory amp so I get a clean start. I would like to put in an amplifier, but not the kicker but I can't find any DIY on the subject so I think I will attempt it myself and document the results. My idea is different than others using the PAC adapter. Since the EQ is so bad going to the bar, why not use a 4-channel amplifier that has high level inputs like the JBL GTO-504EZ. Only wire the front input, then parallel the signal to the rears. "Quadraphonic" stereos don't produce different sound to the rears than the front except some EQ perhaps. The only thing that would be lost is the factory fader, but this amp has build in fader due to the separate sensitivity controls for front and rear. This would provide full EQ to the rears again.
I just wanted to do a sanity check before I attempt to do this. I already upgraded the soundbar speakers and packed with poly which helped a little, but I need more clean power.
Quoted for truth.... You have a clean start because you don't have to deal with the factory amp.
Upgrade the HU, and everything else will me much easier.
I don't know if the non amped systems are the same, but for me, it isn't just the rear that has funky EQ'ing. The rears are not as loud, and have some sort of cross-over to limit low bass, but the whole system is just full of mid-bass mud.