HKF4SFL – Fit Series – 4″ Midrange Plus Car Speaker without Grille

The Harman Kardon FIT4SFL is a 4-inch grille-less midrange plus speaker designed to enhance the midrange performance in your vehicle. It delivers clear, detailed sound reproduction, ideal for audio enthusiasts looking for a complete upgrade to their car sound system.

Benefits:

• Impressive sound quality With 45W RMS and 360W peak power, the FIT4SFL delivers powerful and detailed midrange frequencies for optimal soundstage.
• Wide frequency response The system has a frequency response of 200Hz – 8kHz, perfect for reproducing clear midrange frequencies in a variety of music styles.
• Advanced Thiele-Small parameters Thanks to its advanced parameters, the FIT4SFL offers controlled performance, with a Qts of 0.793 for exceptional sound quality.

Compatible with:

1er-Serie

E81 – 2007-2012 – 3-Door – (Front)
E82 – 2007-2013 – Coupe – (Front)
E87 – 2004-2011 – 5-Door – (Front)
E88 – 2017-2013 – Convertible – (Front, Rear)
F20 – 2011-2018 – 5-Door – (Front)
F21 – 2012-2018 – 3-Door – (Front)
F52 – 2017-2024 – Sedan – (Front, Rear)
F40 – 2019-2024 – 5-Door – (Front, Rear)

2 Series

F22 – 2014-2021 – Coupe – (Front)
F23 – 2014-2020 – Cabrio – (Front)
F45 – 2014-2021 – Active Tourer – (Front)
F46 – 2015-2021 – Gran Tourer – (Front)
F87 – 2016-2022 – M2 – (Front)
F44 – 2020-2024 – Gran Coupe – (Front)
U06 – 2022 – Active Tourer II – (Front)
G42 – 2022 – Coupe – (Front)
G87 – 2023 – M2 – (Front)

3er-Serie

E90 – 2005-2011 – Sedan – (Front)
E91 – 2005-2012 – Touring – (Front, Rear)
E92 – 2006-2013 – Coupe – (Front)
E93 – 2007-2013 – Convertible – (Front)
F30 – 2012-2018 – Sedan – (Front, Rear)
F31 – 2012-2018 – Touring – (Front, Rear)
F34 – 2012-2018 – Gran Turismo GT – (Front, Rear)
F35 – 2012-2018 – Sedan – (Front, Rear)
F80 – 2014-2018 – M3 – (Front, Rear)
G20 – 2019-2023 – Sedan – (Front, Rear)
G20 PH2 – 2024-2026 – Sedan – (Front, Rear)
G21 – 2019-2023 – Touring – (Front, Rear)
G21 PH2 – 2024-2026 – Touring – (Front, Rear)
G28 LI – 2020-2023 – Long Sedan – (Front, Rear)<br data-start="1395" G28 LI PH2 – 2024-2026 – Long Sedan – (Front, Rear)
G80 – 2020-2023 – M3 – (Front, Rear)
G80 PH2 – 2024-2026 – M3 – (Front, Rear)
G81 – 2022-2027 – M3 Touring – (Front, Rear)

4er-Serie

F32 – 2013-2020 – Coupe – (Front, Rear)
F33 – 2014-2023 – Convertible – (Front, Rear)
F36 – 2013-2021 – Gran Coupe – (Front, Rear)
F82 – 2014-2021 – M4 – (Front, Rear)
F83 – 2014-2021 – M4 Convertible – (Front, Rear)
G22 – 2020-2023 – Coupe – (Front, Rear)
G22 PH2 – 2024- – Coupe – (Front, Rear)
G26 PH2 – 2024- – Gran Coupe – (Front, Rear)
G82 – 2021-2023 – M4 – (Front, Rear)

5er-Serie

E60 – 2004-2010 – Sedan – (Front)
E61 – 2004-2010 – Touring – (Front)
F07 – 2009-2017 – Gran Turismo GT – (Front)
F10 – 2010-2016 – Sedan – (Front)
F11 – 2010-2016 – Touring – (Front)
F18 – 2010-2017 – Long Sedan – (Front, Rear)
F90 – 2016-2024 – Sedan M – (Front, Rear)
G30 – 2016-2022 – Sedan – (Front, Rear)
G31 – 2016-2022 – Touring – (Front, Rear)
G38 – 2017-2022 – Long Sedan – (Front, Rear)

6er-Serie

E63 – 2004-2011 – Coupe – (Front, Rear)
E64 – 2004-2011 – Convertible – (Front, Rear)
F06 – 2011-2017 – Gran Coupe – (Front)
F12 – 2011-2017 – Coupe – (Front)
F13 – 2011-2017 – Convertible – (Front)
G32 – 2017-2022 – Gran Turismo GT – (Front, Rear)

<strong data-start="2699" G11 – 2015-2022 – Sedan – (Front, Rear)
G12 – 2015-2022 – Long Sedan – (Front, Rear)
G70 – 2022- – Sedan – (Front, Rear)

G14 – 2018-2026 – Convertible – (Front, Rear)
G15 – 2018-2026 – Coupe – (Front, Rear)
G16 – 2018-2026 – Gran Coupe – (Front, Rear)
F92 – 2018-2026 – M Coupe – (Front, Rear)
F93 – 2018-2026 – M Gran Coupe – (Front, Rear)
G75 – 2026- – Coupe – (Front, Rear)
G76 – 2026- – Gran Coupe – (Front, Rear)
G77 – 2026- – Convertible – (Front, Rear)
G93 – 2026- – M Gran Coupe – (Front, Rear)

i-Series

i3 – 2013-2017 – Hatchback – (Front)
i3s – 2017-2023 – Hatchback – (Front)
i8 – 2014-2019 – Coupe – (Front)
i8 – 2018-2019 – Roadster – (Front)

iX-Series

iX – 2022-2025 – SUV – (Front, Rear)
iX (I20) – 2025- – SUV – (Front, Rear)
iX M60 – 2022- – SUV – (Front, Rear)
iX1 (U11 BEV) – 2022-2026 – SUV – (Front, Rear)
iX2 (U10 BEV) – 2023- – SUV – (Front, Rear)
iX3 (g08) – 2021-2024 – SUV – (Front, Rear)

X1-Series

E84 – 2009-2015 – SUV – (Front)
F48 – 2015-2022 – SUV – (Front, Rear)
F49 – 2016-2022 – SUV M Long – (Front, Rear)
U11 – 2022- – SUV – (Front, Rear)
E30 – 2022- – SUV – (Front, Rear)

X2-Serie

F39 – 2018-2023 – SUV Coupe – (Front, Rear)
U10 – 2024- – SUV Coupe – (Front, Rear)

X3-Serie

F25 – 2010-2017 – SUV – (Front, Rear)
G01 – 2017-2024 – SUV – (Front, Rear)
G08 – 2017-2024 – SUV – (Front, Rear)
F97 – 2017-2024 – SUV – (Front, Rear)

X4-Series

F26 – 2014-2018 – SUV – (Front, Rear)
G02 – 2018-2025 – SUV – (Front, Rear)
F98 – 2017-2019 – SUV M – (Front, Rear)

X5-Series

F15 – 2013-2018 – SUV – (Front, Rear)
F85 – 2015-2018 – SUV M – (Front, Rear)
G05 – 2018-2024 – SUV – (Front, Rear)
F95 M50 – 2018-2024 – SUV M – (Front, Rear)

X6 Series

F16 – 2014-2019 – SUV – (Front, Rear)
F86 – 2015-2019 – SUV M – (Front, Rear)
G06 – 2019-2024 – SUV – (Front, Rear)
F96 – 2020-2024 – SUV – (Front, Rear)

X7 Series

<p G07 – 2019-2024 – SUV – (Front, Rear)

Z4 Series

G29 – 2018-2023 – Convertible – (Front)

What’s in the box:

• 2x Harman Kardon FIT4SFL speakers
• 2x Threaded flush-mount adapters
• 2x Plastic locking nuts
• 1x User Manual

Specifications:

• Dimensions: 4 inches (100 mm)
• Power: 45W RMS, 360W Peak
• Sensitivity (@ 2.83V): 90dB
• Frequency Response: 200Hz – 8kHz
• Impedance: 4 ohms
• Crossover Point: N/A
• Gross Weight: 1.07 kg

From the manufacturer

Harman Kardon FIT 4SFL – 100 mm (4") 1-way Midrange Plus for ultimate sound precision

The Harman Kardon FIT 4SFL midrange (100 mm / 4") are designed to provide your car audio system with ultimate luxury sound. As a dedicated 1-way "Midrange Plus" speaker, it delivers exceptional clarity in mid-frequencies.

In addition to uncompromising audio quality, Harman Kardon focuses on sustainability: the speakers are made from recycled post-consumer materials (PCR). These mid-range range units combine superior sound properties with a minimal ecological footprint.

Plus One fiberglass membrane

The lightweight yet extremely rigid fibreglass membranes are equipped with patented Plus One technology, which offers a larger overall surface area than conventional speakers of the same size. This ensures higher sensitivity and absolutely accurate, dynamic sound reproduction with an excellent musical character.

Custom Made & Invisible

This "Midrange Plus" midrange toner is deliberately delivered without a protective grille and can be seamlessly integrated behind the original factory panels of your car. The "Plus" version is designed to fit flexibly and perfectly into the demanding installation locations of modern premium cars.

Perfect for mid-range frequencies

The FIT 4SFL is the ideal choice to extend existing 2-way component systems with an optional midrange to a full 3-way setup. It effortlessly handles critical mid-range frequencies between 200 Hz and 8 kHz, ensuring extremely true-to-life voices and instruments that take the listening experience to a whole new level.

Harman Kardon FIT 4SFL

Technical details at a glance

Speaker Type: 100 mm (4") 1-way mid-range toner, without protective grid. Load capacity (RMS): 45 WBelastability (Peak / Peak): 360 WSensitivity(@ 2.83V): 90 dBFrequency range: 200 Hz – 8 kHzRated impedance: 4 Ohms

What's in the box?

• 2x Midrange range
• 1x Foam seal
• 2 x Harman Kardon logo emblems
• 1x User Manual (OM)

Crystal clear mids for your setup: Compare our 1-way midrange speakers

Find the perfect midrange to close the gap between bass and treble in your car and faithfully reproduce voices and instruments. Whether seamless, invisible factory integration with the FIT series or as a high-end premium extension with the Flow series – these 1-way speakers are the ideal components for a demanding audio system.