SKU: 40456035655

Martin Audio X218B 2 x 18 Inch Passive Subwoofer

Sale price$936.00 Regular price$1040.00
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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12

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Description

Martin Audio X218B 2 x 18 Inch Passive SubwooferThe Martin Audio X218B 2 x 18 Inch Passive Subwoofer is a dual driver, high performance subwoofer for use with Blackline Series full range loudspeakers. With an operating range of 42Hz 200Hz + 3dB, it produces high output levels with low distortion and can be used singly or stacked horizontally. It features dual 18 (460mm) 4 (100mm) voice coil, long excursion drivers in a reflex enclosure with eight large ports that reduce air turbulence at high

The Martin Audio X218B 2 x 18 Inch Passive Subwoofer is a dual-driver, high performance subwoofer for use with Blackline Series full-range loudspeakers. With an operating range of 42Hz-200Hz + 3dB, it produces high output levels with low distortion and can be used singly or stacked horizontally. It features dual 18” (460mm)/4” (100mm) voice coil, long-excursion drivers in a reflex enclosure with eight large ports that reduce air turbulence at high output levels.

Product Specification:  

Type: Dual-Driver, Direct Radiating Subwoofer

Frequency Response: 42Hz-200Hz ± 3db, -10db @ 33Hz

Driver: 18” (460mm)/4” (100mm) Voice Coil, Long Excursion, Ferrite Magnet

Rated Power: 1600W AES, 6400W Peak

Sensitivity: 106db

Maximum Spl: 141db Peak (Half Space)

Nominal Impedance:

Crossover: 80-120Hz Active

Enclosure: Birch/Poplar Ply

Finish: Black Textured Paint

Protective Grille: Black Perforated Steel

Connectors: 2 X NL4 Type

Pin Connections (INPUT): 1+ 1- Link Through 2+ 2-

Pin Connections (LINK): 1+ 1- Link Through 2+ 2-

Fitting’s: 12 X M10 Inserts, Pole-Mount Socket

Dimensions: (W) 41.3 X (H) 23.1 X (D) 28.6

Weight: 194 lbs

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 40456035655

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4.6 ★★★★★
Based on 24 reviews
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A
Verified Purchase
Andrea Jagarnauth
San Leandro, US
★★★★★ 5
This is definitely a buy
Size: 6 Panel-119"W, Color: Black
Excellent product.Good Quality.Very sturdy .Easy to assemble.Provide privacy and keeps the light out just what I needed.I am happy to recommend this divider .Do not hesitate to buy
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Reviewed in the United States on August 7, 2024
S
Verified Purchase
Shae G
Lake Worth, US
★★★★★ 5
Clean Look, Sturdy — can’t ask for more!
Size: 6 Panel-119"W, Color: Grey, Size: 6 Panel-119"W, Color: Grey
Really like how it folds so I can create kind of a doorway with two of these. Pretty easy to assemble and has an uncluttered clean look due to the smooth fabric and nice color. Oh and it’s sturdy enough for pets.
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Reviewed in the United States on September 9, 2024
L
Verified Purchase
Live to read
Grantham, US
★★★★★ 5
Pretty good, especially for this price point.
Color: Beige, Size: 21.5"- 1 Panel
This is merely a piece of cloth stretched between the frame borders, but it works perfectly. It arrived quickly, all parts present and in good condition. I didn't put the castors on, as it will be more or less always in one position. I simply attached some felt sliders on the bottom to prevent scratching the floor and to allow clearance for the center screw (which is not flush fit). Overall, a reasonable deal for the price point.
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Reviewed in the United States on May 30, 2026
M
Verified Purchase
melissa mcpherson
San Leandro, US
★★★★★ 5
Easy to manage
Color: Black, Size: 88"- 4 Panel
Sturdy, easy to manage and roll around. The material for the walls is of a decent ply as well
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Reviewed in the United States on May 24, 2026
S
Verified Purchase
Samson Yu
Dallas, US
★★★★★ 4
Great product!
Color: Beige, Size: 88"- 4 Panel
Worked well and it was easy to roll around and fold. The size is great and has a good weight to it. Very sturdy, I plan to buy more
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Reviewed in the United States on February 10, 2026

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