The Fit 4SF is specifically designed to fit and function seamlessly in Mercedes-Benz models equipped with factory Harman Kardon or midrange speaker positions. It is featured in Benz-specific upgrade kits (e.g., Fit 6C + 4SF bundles), ensuring a direct OEM-level replacement.

OEM Drop-In Fit: Matches Mercedes-Benz factory 4″ speaker locations—typically found in front doors, rear doors, or dash.

Impedance Match: 4-ohm design is compatible with factory amplifiers and OEM wiring—no coding or rewiring needed.

Crossover Integration: Works in two-way or three-way systems via included or optional slim-fit passive crossovers.

Plug-and-Play Upgrade: Designed to work with Mercedes-Benz factory mounting brackets and interior panels without modification.

Specification:

• Speaker Type: Midrange-Only (No Grille)
• Size: 4″ (100 mm)
• Power Handling (RMS): 45 W
• Peak Power Handling: 360 W
• Frequency Response: 200 Hz – 8 kHz
• Sensitivity (@2.83 V): 90 dB
• Impedance: 4 Ω
• Cone Material: Plus One™ Glass Fiber
• Crossover Support: Yes – External (included in other sets)

Compatability:

• C-Class (W205)
• E-Class (W213)
• GLC, GLE, and S-Class models with HK audio
• Other Benz models with midrange dashboard/door speakers