Harman Kardon FIT 4SFL - Fit Series 4 Inch MidRange Car Speakers For BMW/Mini (Plug & Play)

The Harman Kardon Fit 4SFL is a dedicated 4-inch midrange speaker, developed as part of Harman’s 2025 Fit Series—a lineup of high-performance car audio components made to meet the demands of premium factory and aftermarket audio systems. Designed with no grille, the 4SFL is tailored for OEM integration, particularly in BMW and MINI vehicles equipped with Harman Kardon sound systems.

Specification:

• Speaker Type
• Midrange (No grille)
• Size : 4″ (100 mm)
• Power Handling (RMS) : 45 W
• Peak Power : 360 W
• Frequency Response : 200 Hz – 8 kHz
• Sensitivity (@2.83V) : 90 dB
• Impedance : 4 ohms
• Cone Material : Plus One™ Glass Fiber
• Hi-Res Audio Certified : Yes (when used in full system)

The Fit 4SFL is ideal for:

• BMW F-series, G-series and (select E-series) vehicles
• MINI Cooper (F55, F56, F57) models
• Drop-in midrange upgrade for door, dash rear deck surround speakers
• Works seamlessly with Harman Kardon factory amplifiers.