


HK Audio LINEAR-SUB-4000-U - 2400 Watt 2 x 18" Passive Subwoofer
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
HK Audio LINEAR-SUB-4000-U - 2400 Watt 2 x 18" Passive SubwooferGTIN 13 LINEAR SUB 4000 is a powerful 18? dual vented bandpass subwoofer. It is compatible with all LINEAR 5 full range speakers and mid high units and delivers an impressively powerful low frequency response from 30 to 100 Hertz. The subwoofer is the recommended extension to the LINEAR 5 LTS long throw powerhouse. It can be used as a subwoofer extension to the existing LINEAR SUB 2000, delivering powerful low bass with optional frequency separation.
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4.5 ★★★★★
Based on 796 reviews
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Product Reviews
★★★★★ 5
Amazing Shoes
Size: 9, Color: Brown
This is my first time wearing a Bruno Marc MaxFlex Dress Sneakers Oxfords Casual Wingtip Brogue Shoes.
I was quite impressed how the shoes arrived and how they had a protection bag over each shoe. Very impressed by that, The shoes are very comfortable , lightweight squishy and affordable and very stylish. I recommend them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 25, 2026
★★★★★ 5
Comfortable and complimentary
Size: 11, Color: Brown
The shoes are very comfortable and easily broke in after two wears. I get several compliments on them daily, and others have purchased them after seeing mine. I also have the black pair, but the brown ones are my favorite. Sizing is true to size, an excellent value for your money, and they are lightweight and breathable. The soles are thick, which makes them extremely comfortable.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 15, 2026
★★★★★ 5
Comfy and non slip! Amazing!
Size: 9.5, Color: All Black
I work 12hrs sometimes on my feet. These shoes are amazing !!! Broke them in on a 10hr shift and they feel like walking on pillows. My feet were comfy and not throbbing. I felt the difference in the non slip in the kitchen and I’ll say it outright……. Worth the $40! I got the brown coming and I’m assuming they’ll be just as comfortable. Bruno Marc’s are great!
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Reviewed in the United States on May 7, 2026
★★★★★ 4
Nice but not ideal sizing.
These look nice. They do not have a traditional tongue, replacing it with some sort of elastic lining. They do fit larger than expected. I purchased wide since normally need that and it creates a bump just below the laces. Also, after size 11 there are only whole size increases. I feel an 11.5 regular would have fit better. They are pretty comfortable with a cushiony insole and thick sole.
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Reviewed in the United States on April 28, 2026
★★★★★ 5
Slip ons worth slipping on…
Size: 9.5, Color: Black, Size: 9.5, Color: Black
Very stylish and comfortable. I love how light they are because I’m on my feet all day. The black leather is very deep and very rich. The elevated sole gives me a tad more height, too…which I like. And yes, they’re slip ons. Don’t let the laces fool you. For under $40, these shoes are a strong value to consider…
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Reviewed in the United States on May 19, 2026
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