Martin Logan DYNIWHOBB Retro-Fit Backbox Enclosure for Dynamo IW-O In-Wall Subwoofer (Each)

The Martin Logan Dynamo IW-O High Output Back Box is the matching back box for the Dynamo IW-O open-back subwoofer (not included).

Specs

Model    Dynamo IW-O High Output Back Box
Dimensions    16" x 6" x 51"
Weight    21 lbs