JBL Stage1 42F – 4" (100mm) 2-Way Coaxial Car Speakers (Pair)

Built for small factory locations, the JBL Stage1 GEN2 42F packs full-range JBL performance into a compact 4" format. Plus One™ polypropylene woofers provide clean mid-bass, while PEI tweeters add crisp highs. With 90 dB sensitivity and 4-ohm impedance, they play confidently from a factory head unit and improve further with an external amp. Frontless design integrates neatly behind OEM grilles for a tidy, hassle-free upgrade.

Key specs (per speaker):

• Size: 4" / 100 mm 2-way coaxial

• RMS power: 40 W

• Peak power: 210 W

• Sensitivity: 90 dB

• Frequency response: 80 Hz – 20 kHz

• Impedance: 4 Ω

• Grilles: not included

What’s in the box (per retail pair):

• 2 × JBL Stage1 GEN2 42F speakers

• 8 × mounting screws

• 8 × speed clips

• 2 × foam gaskets

• Instruction manual