JBL Stage1 42F – 4 inch (100mm) coaxial car speakers | 320 Watts

JBL Stage1 42F – 4 inch (100 mm) coaxial car speakers – 320 Watts

Upgrade your car audio system with the JBL Stage1 42F – high-performance JBL car speakers engineered for clear, powerful sound in a compact 4" size. Designed to fit most factory locations, these 2-way JBL speaker car speakers offer 320 Watts peak and 40 Watts RMS, giving your vehicle rich, dynamic audio without the need for an amp.

Whether you're enhancing a stock system or completing a custom car audio install, the JBL Stage1 42F delivers reliable performance at an unbeatable value – available now at Incartec.

Superior Sound Quality

The JBL Stage1 42F speakers deliver rich, full-spectrum sound through a 4-inch (100 mm) woofer with JBL’s Plus One™ cone technology. Designed for precision and depth, these 2-way coaxial speakers bring you tight bass, clear mids, and crisp highs. Whether you're replacing factory units or enhancing your current setup, JBL car speakers offer a powerful and immersive car audio experience that elevates every drive.

Durable Construction for Long-Lasting Performance

Built with JBL’s renowned engineering, the Stage1 42F is crafted for long-term use and dependable performance. The rugged polypropylene woofer and PEI balanced dome tweeter ensure durability without compromising sound quality. Designed to handle daily wear, road vibrations, and varied temperatures, these JBL speaker car speakers maintain audio integrity over time.

Easy Installation

The JBL Stage1 42F 4” speakers are made to fit seamlessly into most standard factory speaker locations. With a shallow mounting depth and supplied hardware, installation is straightforward—even for DIYers. No grille is included, making these perfect for discreet, flush-fit upgrades that blend into your vehicle’s original look.

Why Choose JBL Stage1 42F?

Trusted by audio enthusiasts and installers alike, JBL car speakers combine industry-leading technology with budget-friendly performance. The Stage1 42F is a smart upgrade for those wanting better sound without replacing their entire car audio system. Backed by JBL's reputation, these speakers offer excellent sound, easy fitment, and long-lasting value—now available at Incartec.

Specifications:

• Speaker Type: 2-Way Coaxial

• Size: 4” (100 mm)

• Power Handling (RMS): 40 W

• Power Handling (Peak): 320 W

• Impedance: 4 ohms

• Frequency Response: 85 Hz – 20 kHz

• Sensitivity: 88 dB

• Mounting Depth: 52.9 mm

What's in the box?:

• 2 x 4” JBL Stage1 42F Car Speakers
• 8 x Mounting Screws
• 2 x Foam Seals
• User Manual

Sold as a pair.

Are 10cm/ 4 inch speakers good for my vehicle?

4-inch or 10cm speakers are a compact audio solution that delivers impressive sound quality in a small package. Ideal replacements in popular smaller 3-door cars like the Vauxhall Corsa D and select Alfa Romeo, Fiat, and BMW, these lightweight speakers can easily be installed in rear doors, ensuring an unobtrusive fit. Despite their size, they produce powerful and immersive audio, making them perfect for music lovers who seek clarity without the bulk of larger equipment. Whether you're upgrading your vehicle's sound system or simply looking to reduce the size of your car audio set up, 4-inch speakers provide a remarkable audio experience that doesn’t compromise on performance.

What size speakers are in my car? 

If your unsure what speakers fit your car we would recommend using our market-leading Search By Car feature