reflected waves and reduce sound transmitted through walls.
Absorbs harmful reflected waves that cause speaker distortion.
Helps balance mid-range response and "tighten" sound cavity acoustics.
Reduces sound transmitted through back wall into others rooms.
Adds 'R value insulation to BackBoxx™ installations.
Effective on all open-back speaker drivers.
Dimensions: 22.50 x14.50" x 1.0"