Dynamat En-Wall 6 Inch Kit Speaker Wall Enclosure System DynaXorb Foam & Extreme

Dynamat En-Wall 6 Inch Kit Speaker Wall Enclosure System DynaXorb Foam & Extreme

Dynamat En-Wall Enclosure System

In-wall speaker isolation system for 6"-deep walls


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Product Information

Improve the performance of in-wall speakers

In-wall speakers are a great option for rooms where floor space is limited, or where you simply want a clean look. But sometimes the sound from your in-wall speakers can end up leaking into the next room. That's where Dynamat's En-Wall speaker isolation system can help.

This three-piece system helps an in-wall speaker deliver focused, well-balanced sound in your listening space while reducing audio bleed-through to the adjacent room. You'll get more sound where you want it, and less noise and vibration where you don't.

The sound-damping materials in the En-Wall system are flexible, so you can install it in existing or new construction. Each package includes the supplies you need to isolate one in-wall speaker in a 6"-deep wall:

  • SoundSnake — bendable, multilayer barrier that wraps around the outer edges of the speaker
  • DynaXorb back-wave foam — installs on the drywall behind your speaker to eliminate back-wave noise and distortion
  • Dynamat Xtreme — self-adhesive vibration damping sheets for applying directly to inner drywall surfaces


Dynamat Xtreme:

  • Appearance: Black butyl core with 4 mil aluminum constraining layer, self adhesive with release liner
  • Mass: 0.45lb/ft²
  • Adhesive Peel Strength: 42.6 lbs/1"
  • Thickness: 0.067"
  • Temperature Range:
  • Optimal Performance: -14°F to +140°F
  • Resistance: -65°F to +300°F
  • Dimensions: (1) 12" x 18", (2) 4" x 10"


  • Appearance: Black polymer 6" x 6" square
  • Mass: 0.34 lbs per 6" square
  • Rebound Resilience: <15% tensile strength
  • Thickness: 1/4"
  • Density: 69.6 lb/ft³
  • Recommended Adhesive: Super Glue
  • Dimensions: (4) 6" x 6"


  • Foam:
  • Thickness: 1.5"
  • Mass: 0.16 lb/ft²
  • Density: 2.0 lb/ft³
  • Tensile Strength: 15 psi
  • Tear Strength: 1.9
  • Thermal Conductivity (R): 1.9 (Hr-ft²-deg.F/BTU)
  • Standards: Meets UL94 HF-1
  • Temperature Range (Resistance): -40°F to +225°F


  • Appearance: Black flexi-vinyl barrier
  • Color: Charcoal Gray
  • STC (Sound Transmission Class): 28
  • Mass: 1 lb per square foot
  • Thickness: 0.09"
  • Standards: Meets UL94-V0
  • Chemical Resistance: Resistance to water & mineral oils
  • Temperature Range (Resistance): -40°F to +220°F
  • Note: SoundSnake dimensions measure 1.5" (W) x 5.5" (H) x 54" (L)

What's Included

  • 1x 1.5" x 5.5" x 54" SoundSnake with Dynil
  • 4x 6" x 6" DynaXorbs
  • 1x 12" x 18" Dynamat Xtreme
  • 2x 4" x 10" Dynamat Xtremes
  • Instructions/Specifications sheet

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