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SPEAKER and LIGHTING BACKBOXES
Speaker and lighting backboxes will prevent sound from collecting inside a wall or joist cavity, improve sound quality and maintain the required fire ratings. |

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ECCO-BOX Lighting and Speaker Back Box
The ECCOBOX thermo-acoustic speaker and lighting enclosures are constructed of recycled, compressed 1" cotton and designed to isolate speaker back wave sound transmission within a wall or ceiling structure. ECCOBOX enclosures are also ideally suited to prevent sound transmission through a recessed lighting fixture from heel impact and upper level noise. ECCOBOX enclosures are available in two sizes, lightweight, easy to construct and install, environmentally friendly and Class A fire rated.

Features:
- 1" thick compressed cotton with .5 mil aluminum outer facing
- Better speaker performance - absorption combined with STC value
- Effective acoustic barrier for adjacent rooms, high STC
. R-15 thermal insulative value
- UL 1479 (One Hour Rating) / ASTM-E814 (Pending)
- Packaged fl at for easy shipping and storage
- Very lightweight for reduced shipping costs
Applications:
- Fire rated back boxes
- In ceiling and In wall speaker installations
- Above recessed lighting fixtures
Size:
- 1" thick, 8 lb. sq. ft. compressed cotton
- In-ceiling: 14.5" x 14.5" x 9"
Panel:
Sound
Absorption |
Size |
Mount |
125Hz |
250Hz |
500Hz |
1KHz |
2KHz |
4KHz |
NRC |
| 1 |
A |
.09 |
.24 |
.86 |
.98 |
.98 |
1.03 |
.75 |
| STC |
125Hz |
250Hz |
500Hz |
1KHz |
2KHz |
4KHz |
STC |
| 12 |
12 |
14 |
13 |
20 |
29 |
17 |
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In Wall Speaker Back Box
Introducing the Sound Block in-wall back box. This enclosure
is designed to isolate the inwall and in-ceiling
speaker back wave, as well as offer thermal insulation.
It is constructed from a new Class-A, non flammable, urethane
foam. This material will not support mold or
crumble over time like standard urethanes. Custom sizes
can be produced to adapt to multiple speaker sizes and
cavity dimensions.
Features:
• Class A Fammability rating, Non Combustable
• R-12 Thermal Insulation Value
• Excellent absorption properties
• Code compliant anywhere in North America
• Material STC keeps sound energy from
passing through the walls
Applications:
• Fire rated acoustical back box for in-wall
and in-ceiling speaker products
Size:
• In- wall: 22.5" X 14.5" X 6" (Also Available in 4")
Panel:
Sound Absorption |
Size |
Mount |
125Hz |
250Hz |
500Hz |
1KHz |
2KHz |
4KHz |
NRC |
| 1 |
A |
.03 |
.07 |
.13 |
.23 |
.50 |
.63 |
.27 |
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