JBL GTO508C 5.25" inch stereo speakers car audio

Amazing 5.25 inch speakers with crisp clear boosted sound. I had these in my car paired with front JBL GTO in my other ad, only removed as I had to change car and these won`t fit, mine are 4"

Like new and come with adapters to fit 3 pin attachment to door card and top covers. absolutely immaculate.

Specs below


The JBL GTO508C is a 5.25-inch 2-way component car speaker system that delivers highly clear, bright, and efficient audio performance. It is widely recognized as an excellent aftermarket factory upgrade due to its custom technology and low-impedance design.The Bottom LinePros: Very crisp highs, high sensitivity (gets loud easily), broad compatibility with standard factory setups, and deep mid-bass relative to its size.Cons: Metal tweeters can become harsh or fatiguing at extreme volumes; true low-end sub-bass requires an external subwoofer.Key Specifications & ArchitecturePower Handling: 55 Watts RMS per speaker (165 Watts Peak).Impedance: 2-Ohm configuration. This extracts maximum power from factory-installed head units or small amplifiers, compensating for thin stock wiring.Sensitivity: 91 dB at 2.83V/1m, meaning it plays loudly and cleanly even with low input power.Frequency Response: 65 Hz to 21,000 Hz.Performance BreakdownSound Quality & TonalityHighs: The My-Ti (Mylar/titanium composite) dome tweeters offer high-fidelity, clear vocals and strong imaging. However, car audio community members on Reddit note that the aluminum/titanium profile gives a very "bright" sound that can border on harshness at high volumes. They recommend turning down the tweeter attenuation or gain slightly on the crossover.Mids & Lows: Thanks to JBL’s patented Plus One woofer cones, these speakers have a larger surface area than typical 5.25-inch models. This generates a tight, punchy mid-bass response. It provides a clean kick-drum "thud," but will not recreate deep sub-bass.Build & Installation FeaturesOutboard Crossovers: It includes computer-optimized passive crossover networks that cleanly split frequencies between the woofer and tweeter.I-Mount System: This patented tweeter-mounting hardware makes custom flush or surface installations significantly easier in stock car pillars or door panels