Brand New with Full Warranty!

MartinLogan Dynamo IW-O High Output Back Box

Back Box for In-wall Subwoofer
$559.95
Availability: In stock
SKU
Dynamo_IW-O-BB

Sold as: Each

Every single item that we sell is brand new, A-Stock merchandise. That means factory-sealed - not refurbished, not a demo and not a return. We purchase all our items through the authorized dealer network for each brand, so you get a full warranty at no additional cost.

Free shipping in the contiguous U.S.

MartinLogan Dynamo IW-O High Output Back Box
This is the matching back box for the MartinLogan Dynamo IW-O open-back subwoofer (not included in this purchase)

This back box is very large, so it's only appropriate for new construction (except for rare exceptions).

Shipping weight: 21 lbs Shipping demensions: 16" x 6" x 51" As you can see, this back box is HUGE - but that's what makes it sound so good!! Since in-wall subs don't have quite the force of free-standing subs, most AV professionals recommend two in-wall subs for home theater spaces (which means two back boxes).
Write Your Own Review
You're reviewing:MartinLogan Dynamo IW-O High Output Back Box