4 Inch (100mm) Speakers | Compact Car Audio Upgrades

4-inch car speakers, or 10cm speakers, offer a compact audio solution that delivers impressive sound quality without taking up much space. Ideal for replacing factory speakers in popular smaller 3-door cars like the Vauxhall Corsa D, as well as select Alfa Romeo, Fiat, and BMW models, these lightweight speakers fit effortlessly into rear doors for an unobtrusive setup. Despite their size, 4 inch speakers produce powerful and immersive audio, making them perfect for music lovers who crave clarity and high performance. Whether you're upgrading your vehicle’s sound system or looking to reduce the bulk of a larger setup, 4 inch car speakers provide a remarkable audio experience. At InCarTec, we stock reputable ranges from trusted brands like Alpine, Blam, and Pioneer, ensuring premium sound and easy installation for your car audio system.

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