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JBL

JBL Stage3 68 Speakers

JBL Stage3 68 Speakers

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The JBL Stage3 68 is a high-performance 6.5-inch (165mm) 2-way coaxial car speaker kit. Unlike the "F" or "CF" custom-fit variants in the Stage3 Gen 2 lineup, this standard model includes custom protective grilles

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The JBL Stage3 68 is a high-performance 6.5-inch (165mm) 2-way coaxial car speaker kit. Unlike the "F" or "CF" custom-fit variants in the Stage3 Gen 2 lineup, this standard model includes custom protective grilles, making it ideal for custom speaker placements, rear decks, or exposed interior installations.
Technical Specifications Breakdown
The Stage3 68 is engineered to balance smooth acoustic output with dynamic power tracking:
Metric Technical Value Acoustic Impact
Speaker Size 6.5 inches (165mm) The most versatile frame size for replacement or custom builds.
Power Handling (RMS) 70 Watts per speaker (140W per pair) Easily handles external power amplification for clear audio at high volumes.
Power Handling (Peak) 560 Watts per speaker (1120W per pair) Robust tolerance boundaries against short, violent signal spikes.
Sensitivity (@ 2.83V/1m) 91 dB Exceptionally efficient; extracts notable volume using lower power sources.
Frequency Response 55Hz – 20kHz Delivers flat, wide-spectrum clarity from lower mid-bass kicks to high vocals.
Nominal Impedance 4 Ohms (True 4-Ohm Technology) Combats thin vehicle speaker wires to maximize output efficiency securely.
Component-Level Engineering Breakdown
  • Plus One™ Woofer Cone Architecture: Utilizing HARMAN's patented design, the speaker frame stretches the surround farther toward the basket margins. This delivers up to a 35% increase in total cone surface area compared to typical 6.5" competitors, boosting mid-bass authority and efficiency.
  • Laser-Etched Glass-Fiber Cone: The primary speaker cone relies on a rigid polypropylene base bound with 10% glass fiber reinforcement. Laser-etching the driver minimizes weight while increasing stiffness, preventing muddy cone flex at deep volumes.
  • PEI Balanced Dome Tweeters: The integrated 2-way coaxial tweeter setup uses a polyetherimide (PEI) dome structure. PEI dissipates intense heat buildup rapidly, maintaining crystal-clear, un-distorted high-end notes across your interior without ringing your ears.
  • Eco-Conscious Integration: Following second-generation design rules, the physical composite chassis includes post-consumer recycled plastic properties, routes sound through completely PVC-free layout wiring, and ships in soy-ink printed boxes.

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