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6.5" (16.5cm) subwoofer

(29 products)

Discover top-of-the-line 6.5-inch subwoofers at the MT Audio Shop—from renowned manufacturers like Eton, which meet the highest quality standards. Our exclusive selection offers powerful bass performance for your car, personalized advice, and fast delivery for your perfect sound upgrade.
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  • DLS Cruise CRSB-16BM1
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    DLS Cruise CRSB-16BM1

    399,00€
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Compact powerhouses for your vehicle

The space-saving 6.5-inch drivers are ideal for tight installation spaces and still deliver impressive bass. With RMS power ratings from 100 to 1000 watts, we have speakers for every need – from beginners to competition enthusiasts. Whether sealed enclosure or bass reflex design: our subwoofers are perfectly matched to common amplifiers and impress with high-quality voice coils and rugged cones. From affordable entry-level models to high-end systems, we offer you the optimal solution for your individual sound project.

Groundzero Subwoofer mit gelb-schwarzem Design und Stoffmembran als Produktbeispiel für Car-HiFi Subwoofer

How much enclosure volume does your 6.5-inch subwoofer need?

The right enclosure volume plays a major role in the bass performance of your 6.5-inch subwoofer. While sealed enclosures with about 10 liters of volume deliver precise, tight bass, bass reflex designs often need 15-20 liters for maximum depth. The impedance of your driver – usually 2 or 4 ohms – determines the optimal match with your amplifier. Our experts are happy to help you calculate the ideal enclosure for your B2 Audio, Focal, or Ground Zero models. Use our handy configurator to find the right MDF enclosure for your chosen subwoofer directly – perfectly matched to your RMS power and the available installation space in your car.

HiFonics ZRX6D2 Subwoofer

Your perfect sound partner

With a 6.5-inch subwoofer, you get powerful bass in your car without sacrificing valuable trunk space. These compact powerhouses prove that size isn't everything. Whether you're competing with your B2 Audio system or simply want to enjoy your daily commute with rich sound – our international manufacturers like Focal, Ground Zero, and Helix offer you top quality for every need. The precisely tuned drivers with high-quality voice coils and rugged cones guarantee long-lasting performance. From affordable entry-level models to high-end systems with 1000 watts RMS, you'll find exactly the subwoofer that fits your budget and sound preferences. Take advantage of our personal advice and secure your new bass companion with free shipping on orders over €49.

Frequently Asked Questions about 6.5-Inch Subwoofers

Do 6.5-inch subwoofers have good bass?

Yes, 6.5-inch subwoofers deliver surprisingly powerful bass for their compact size. With RMS power ratings from 100 to 1000 watts, they produce punchy sound that's especially impressive in the frequency range around 80 Hz. The quality depends heavily on the chosen driver and the right match with the enclosure and amplifier.

How much power can a 6-inch woofer handle?

Power handling varies by model between 100 and 1000 watts RMS. Most 6.5-inch subwoofers at MT Audio Shop fall in the range up to 500 watts, which is completely sufficient for powerful bass in a car. When buying, pay attention to the stated RMS power – it indicates continuous power handling, not peak power.

What sizes are available for subwoofers?

Subwoofers come in various diameters from 6.5 to 18 inches. The most common sizes for cars are:

  • 6.5 inches (16.5 cm) – space-saving
  • 8 inches – compact all-rounder
  • 10 inches – popular standard
  • 12 inches – powerful bass
  • 15 inches and larger – extreme deep-bass performance

What enclosure volume does a 6.5-inch subwoofer need?

Sealed enclosures need only about 10 liters and deliver precise, controlled bass. Bass reflex versions require 15-20 liters for maximum depth and higher efficiency. The optimal volume depends on the specific speaker – our experts are happy to calculate the ideal enclosure for your chosen model.

Which amplifier fits my 6.5-inch subwoofer?

The amplifier should deliver about 75-150% of your subwoofer's RMS power. For a 300-watt RMS driver, an amplifier with 250-450 watts is recommended. Pay attention to the impedance: most 6.5-inch models are 2 or 4 ohms – your amplifier must be able to handle this load reliably.

Where can I install a 6.5-inch subwoofer in my car?

The compact dimensions allow for a variety of installation locations:

  • Under the seats (especially the driver's/passenger's seat)
  • In the spare tire well
  • In the side of the trunk
  • In the door panel (for reinforced doors)
  • In custom enclosures behind trim panels

Is a 6.5-inch subwoofer worth it compared to larger models?

6.5-inch subwoofers are ideal if you want powerful bass without losing space. They offer the best ratio of compactness to performance – perfect for smaller vehicles or when you want to keep the trunk free. For extreme deep bass, larger drivers are better, but for normal music listening, high-quality 6.5-inch models from B2 Audio, Focal, or Ground Zero deliver impressive results.
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