JBC Speaker Install in both front and back of 2014 RT Syder!

[Magdave]

#1. Why does JBL ( one of the largest and foremost speaker manufactures ) sell these as direct re-placement for 4 OHM speakers?
#2. Do you think the Techs at JBL are lying to the public to sell their product.....or has this been worked out correctly by them?
#3. the link you posted is dated 1994. Is it still relevant? Or has something changed?

Nothing has ever changed with impedance matching amps and speakers, basic electronics remain the same. Bob the key is not when and if you don't turn it up all the way it MAY be ok for a long time keeping it at a volume that is not louder than the OEM's were. It is close to and at full volume that the issues occur. Basically you are overheating the output transistors at that point with less resistance from the speakers. I do not know where you are getting 4 ohm from but this is from JBL Spec sheet.

GTO528
5-1/4" (130mm) 2-Way Loudspeaker
• Plus One
® (patent pending)woofer cone
• 1" (25mm) edge-driven My-Ti
™ tweeter
• Frequency response: 70Hz – 21kHz
• Sensitivity: 91dB
• Impedance: 2 ohms
• Power handling, RMS: 45 watts
• Power handling, peak: 135 watts
• Mounting depth: 2-3/8" (61mm)
• Cutout diameter: 4-3/4" (120mm)