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Description

JBL Stage3 427F

The JBL Stage3 427F is a 4‑inch (100 mm) 2‑way coaxial car speaker designed as a factory upgrade replacement that delivers clearer sound, improved mids, and crisp highs compared to stock speakers. It uses JBL’s Plus One™ woofer cone technology to increase cone area for greater output and deeper bass, while the edge‑driven dome tweeter ensures smooth treble response. Its external crossover with 0/+3 dB tweeter level control helps fine‑tune the sound, and the vented basket frame improves heat dissipation for reliable performance. This speaker is ideal for boosting audio quality in smaller door or dash locations without needing an external amplifier.


Specifications

Specification Details
Power Handling 30W RMS, 150W Peak
Sensitivity (@ 2.83V/1m) 90 dB
Frequency Response 75 Hz – 20 kHz
Impedance 3 Ω

 


About The Product

JBL Stage3 speakers bring patented technologies, world-class engineering and JBL pro sound heritage together to create a powerful line of car audio loudspeakers. Focusing on performance and fitment, they bring unrivaled sound performance to your vehicle. The high output 2 ohm DCR design extracts every watt of power from the amplifier or head unit enabling the patented Plus One™ woofers to deliver high output and solid deep bass performance. Our rigorous OEM-level reliability testing provides peace of mind when it’s time to crank it up for that inimitable JBL adrenalin surge.

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Questions and Answers

Q1: What is the JBL Stage3 427F?
A1: It’s a 4‑inch 2‑way coaxial car speaker designed to upgrade factory audio with clearer mids and highs.
Q2: What is its power handling?
A2: Each speaker handles 30 W RMS and 150 W peak power.
Q3: What frequency range does it cover?
A3: It covers approximately 75 Hz to 20 kHz, delivering balanced sound from low mids to highs.
Q4: What is its impedance?
A4: The Stage3 427F has a 3 ohm impedance for efficient use with most head units.
Q5: Does it include installation hardware?
A5: Yes, it comes as a pair of speakers ready to install, though grilles may not be included.

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