JBL Stage3 527F – 5.25" (13 cm) 2-Way Coaxial Speakers – Factory Upgrade (No Grilles)

The JBL Stage3 527F is a factory-friendly 5.25" coaxial that drops straight into OEM openings and wakes up your system with bigger mid-bass and smooth highs. JBL’s Plus One™ polypropylene woofer cone maximizes cone area for better efficiency, while the 3-ohm voice coil and 91 dB sensitivity help you get strong output even from a stock head unit. Purpose-built for factory upgrade without grille, the 527F hides neatly behind door panels for a clean, original look. Order now and enjoy the unmistakable JBL lift on every drive. 

Key features

• 5.25" 2-way coaxial factory-upgrade design (no grilles) for easy OEM fit.

• Plus One™ polypropylene woofer cone for higher efficiency and punchy bass.

• High sensitivity (91 dB) & 3 Ω nominal impedance—great with factory power, scales with amps. 

• Frequency response 75 Hz–20 kHz for clear, balanced sound across genres. 

Technical specifications

• Size: 5.25" (130 mm)

• Design: 2-way coaxial

• Power handling: 40 W RMS / 200 W peak (RMS consistent; peak rating varies by region 120–200 W—JBL CA lists 200 W). 

• Sensitivity (@2.83 V/1 m): 91 dB

• Frequency response: 75 Hz – 20 kHz 

• Nominal impedance: 3 Ω

• Top-mount depth (approx.): 1.77" (45 mm)Grilles: Not included (factory-fit friendly)

What’s in the box

• 2 × Speakers
  (Stage3 “F” variants ship without grilles; mounting hardware may vary by region/retailer.)

Fitment notes

• Designed for standard 5.25" OEM locations; verify cutout and ~45 mm top-mount depth

• .Works well on factory head units; an external amp can further improve dynamics.