The
JBL Stage3 38F is a high-performance
3.5" (89mm) two-way coaxial car speaker pair explicitly engineered to replace limited-range factory dashboard and corner-dash speakers. Designed without external grilles, these drop-in upgrades deliver signature Harman acoustic performance directly behind your vehicle's factory panels.
Electro-Acoustic Specifications
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Continuous Power Handling: 50 Watts RMS per speaker (100 Watts per pair).
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Peak Power Capacity: 400 Watts Peak per speaker (800 Watts per pair).
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System Sensitivity: 88 dB measured at 2.83V / 1 meter.
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Frequency Response: 90 Hz to 20,000 Hz. This bandwidth is specifically tailored to reproduce clean, articulate vocals and crisp instrumentation over engine noise.
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Nominal Impedance: 4 Ohms. It utilizes standard 4-ohm technology to offer universal compatibility with stock factory head units and aftermarket amplifiers.
Technical Design & Transducer Breakdown
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Plus One™ Glass-Fiber Infused Cone: The woofer cone is manufactured using a specialized laser-etched process and reinforced with 10% glass fiber. By implementing patented Plus One™ geometry, the attachment point of the surround is pushed outward. This expands the active piston area by up to 35% compared to other standard 3.5" drivers, improving sensitivity and optimizing mid-bass punch out of a tiny frame.
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PEI Balanced Dome Tweeter: High frequencies are managed by an integrated Polyetherimide (PEI) dome tweeter. PEI is structurally rigid and incredibly lightweight, giving the tweeter excellent thermal handling and wide acoustic dispersion patterns.
- Shallow Mounting Profile: Features a space-saving basket engineering design with a mounting depth of approximately 39mm (1.53 inches). This ensures complete physical clearance inside cramped dashboard spaces where space is constrained by defroster ducting.
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