Rear Right Soundbar Speaker STILL distorted -
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post #1 of 4 Old 07-11-2013, 05:28 PM Thread Starter
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Location: Cookeville
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Rear Right Soundbar Speaker STILL distorted

Hey guys,
My 03 wrangler has a soundbar and the rear right speaker(factory) sounds distorted (scratchy). So....I figured it was a blown speaker right? Well, it's a my new ride, so I figured I upgrade the speakers!

I bought 2 x 651s Polk audio speakers along with the adapter wires. I installed today and everything went together pretty smoothly. Jeep still has stock everything else - radio, head, amp, etc. The polks came with a nice gasket, which I installed and everything seems to be secured tightly.

However, at ~25% volume, my right rear speaker still sounds scratchy(very technical term).

What do you guys think it is?

edit note.... when i tune the volume to the rear left (drivers side) and turn the volume all the way up, the speaker sounds great. When I do the same, except on the right (passengers side), it's distorted (scratchy)....this makes me think it's not a power issue (although I'm not an electrical guy). I've also applied hand pressure to speaker to make sure it's seated well and it still sounds scratchy.


Last edited by Siphor; 07-11-2013 at 05:48 PM.
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post #2 of 4 Old 07-11-2013, 05:31 PM Thread Starter
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tech spec for above post

Total Frequency Response 40-25kHz
Nominal Impedance 2.7 ohms
Efficiency 94 dB
Power Handling
Continuous 100 watts
Peak 200 watts
Voice Coil
Driver Diameter 32" (81.28cm)
Magnet Weight 5.3 pounds
Recommended Amplifier Power 15-125 watts per channel

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post #3 of 4 Old 07-11-2013, 06:45 PM Thread Starter
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Hey, I didn't tell you that I also bought some Polk Audio DB521 5.25-Inch Coaxial Speakers (Pair, Silver) to put in the front.

Well, I installed one and played it and was listening to the difference between the OE and this (which was definitely noticeable) and I heard a similar sound to my problem in the right rear. Hmmm, could this be the universe conspiring against me, there a more logical explanation? So, silly ole hillbilly me grabs the dash because it sounds like something is vibrating. It was, the dash that is. It vibrates some with the new dash speaker when it's the only speaker turned on and it's all the way up. So, silly ole hillbilly me thinks it couldn't be as simple as something vibrating in the back rear. NO WAY, remember earlier I said I checked the the speaker by pushing the speaker to make sure it was secure and nothing...checked that again. Nothing. It couldn't be that little piece of plastic right beside it, could it? Well, I hold that that small circular piece next to the speaker down and guess what...seems the noise goes away. Take it out and guess what, it's gone.

For all of you that slower than this hillbilly (very small % I'm guessing), I've attached a visual hint.

After a small modifier (piece of napkin from the cupholder), the vibration is fixed and all is well. Would have probably fixed the stock issue as well, but now I've got me a new set of Polks.

Take care and God Speed,
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post #4 of 4 Old 07-11-2013, 06:51 PM Thread Starter
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Final Post on Install of new speakers for my 03 TJ

Well, I spent several hours looking up different speakers, specs, wiring harness, adapters and whatnots. I figured I'd let you guys know what I installed, and it was all plug and play, no mods necessary.

Jeep Wrangler (Tj, Rubicon, Unlimited) Electroplated Steel Front Dash Speaker Adapter 1997-2006. Converts 4 By 6 Inch Factory Speakers to 5.25 Inch Aftermarket Speakers (4x6" to 5.25").

Polk Audio DB521 5.25-Inch Coaxial Speakers (Pair, Silver)

2 of Metra 72-6514 Speaker Harness for Select Chrysler/Dodge Vehicles

Polk Audio DB651s Slim-Mount 6.5-Inch Coaxial Speakers (Pair)

There was some discussion about what speaker harness works and I can tell you that for my '03 X wrangler that the 6514's worked on both the front and the rear. The mounting plates were also sweet as it allowed the for plug n play for the front. Finally, all these speakers had good ratings and were marine certified...only time will tell, but I'm happy with this purchase.

Take care and God Speed,
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