Atlas Sound SIR Atlas Sound SIR

Product Information
Overview Surface Indoor Enclosure - Red for Voice / Tone Loudspeakers
SIR surface-mounting indoor backbox for SVT Series models mounts to any single or double-gang backbox for concealed conduit applications. CRS unit includes 1/2" conduit knockouts (three on each side; five on rear). Epoxy-finished surface. Dimensions: 4" SQ x 11/2" D (102 x 38mm). Weight is .7 lbs (.3 kg). Red.


  • Available in flush, semi-recessed, and surface-mounting configurations

  • Environment-resistant paging and intercom stations for outdoor installation include weatherproof call/signal origination switch

  • Loudspeaker provides clear and consistent voice and signal transmission

  • Power handling selection of 15 and 2 watt models includes optional 25 volt transformer to meet various functional and transmission requirements

  • Proven performance reliability of the patented VT Series environment-resistant compression driver


  • Height: 4" (10.16 cm)

  • Width: 4" (10.16 cm)

  • Depth: 1-1/2" (3.81 cm)

  • Shipping Weight: 0.07 lbs (0.03 kgs)

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Brand Atlas Sound
Model SIR
Part Number SIR
UPC 612079120017
Product Category Speaker Stands & Brackets
Unit of Measure EACH
Shipping Weight 0.10 lbs.
Manufacturer Link
Atlas Sound Performance Audio is an authorized Atlas Sound dealer.
Atlas Sound manufactures communications products for the commercial, broadcast, industrial, institutional, security, custom installation (home), and music markets. Its catalog of products includes sound reinforcement systems; emergency communications systems; intercom/telecom products; residential infrared electronics; sound masking systems; IP addressable public address system technology, electronic equipment cabinetry; indoor/outdoor loudspeaker systems; microphone stands, speaker stands, and accessories.
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