HK Audio LINEAR SUB 4000 2400 Watt 18" Passive Subwoofer

Marsoni

M251S

$1299.50

Get it in 3 business days with 1 day shipping. Friday, May 29

HK Audio LINEAR SUB 4000 2400 Watt 18" Passive SubwooferOverview The HK Audio LINEAR SUB 4000 is a powerful 18" dual vented bandpass subwoofer designed to deliver an impressively deep low frequency response, ranging from 30 to 100 Hertz. Compatible with all LINEAR 5 full range speakers and mid high units, it serves as an excellent extension to the LINEAR 5 LTS long throw system. Its robust construction and high power handling capabilities make it ideal for professional sound reinforcement applications.

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Your HK Audio LINEAR SUB 4000 2400 Watt 18" Passive Subwoofer orders ship within 1-2 business days.

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
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As someone with zero experience changing air filters, I was honestly surprised at how easy this was. The fit was perfect for my 2010 Honda Accord Sport, and both the cabin and engine air filters installed with no issues at all. It even came with clear, easy-to-follow instructions that made the whole process stress-free. Saved myself money from going to the dealership, and my car is running great. Definitely recommend for beginners wanting to do a simple DIY maintenance job.

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Reviewed in the United States on May 25, 2026

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Rob Rosensteel

Louisville, US

★★★★★ 5

Great Product Great Price

Size: 16-21 Civic, 17-22 CR-V

product was a good priced. Fit as it should. will buy again when needed.

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Reviewed in the United States on May 28, 2026

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Evelyn Davis

Phoenix, US

★★★★★ 5

Air filters are great

Size: 10-24 4RUNNER, 10-23 GX460

I received when promised and it fit my automobile correctly, I get good gas mileage already so we will see if the gas mileage comes up. The quality was great always looking for high quality when changing the air filters and this item met that standard. Go ahead and buy it will meet you demands.

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Reviewed in the United States on May 24, 2026

Verified Purchase

Kristina

Massapequa, US

★★★★★ 4

Great value

Size: 18-26 Expedition, 15-26 F-150, 18-26 Navigator

The engine air filter fit perfect. The cabin air filter was a bit of a challenge fitting. seemed to be a bit larger but it went in and got the cap back on the box. For the price you cant beat it. Would buy again!

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Reviewed in the United States on May 15, 2026