SoundQubed HDX418 Subwoofer
The SoundQubed HDX418 is a high-performance subwoofer featuring a 418-inch cone. Thiele-Small parameters: Fs=31.7Hz. Maximum linear excursion (Xmax): 23mm. Designed for deep bass reproduction and high SPL output.
Acoustic Data Pending
Thiele-Small parameters for this driver are being processed by our enrichment pipeline.
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Updated 4/23/2026
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Frequently Asked Questions
What is the SoundQubed HDX418?
The SoundQubed HDX418 is a car audio equipment made by SoundQubed. View full specifications and where to buy on this page.
Where can I buy the SoundQubed HDX418?
You can purchase the SoundQubed HDX418 from authorized dealers listed in the "Where to Buy" section on this page. We recommend buying from authorized retailers to ensure warranty coverage and genuine products.
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