Bogen Communications SM4T Easy Install 4W Surface-Mount Speaker (Off-White)

Bogen Communications SM4T Easy Install 4W Surface-Mount Speaker (Off-White)

Bogen Communications SM4T Easy Install 4W Surface-Mount Speaker (Off-White)


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Expected availability: 3-7 business days

Product Highlights

  • 4W Power Rating
  • 125 Hz to 15 kHz Frequency Response
  • Front-Mounted Volume Control
  • Rotary Tap Selector
  • Integrates with 25 or 70V Amplifiers
  • 120° Dispersion
  • Color-Coded Mounting Studs
  • Lightweight ABS Plastic Construction
  • Installs Easily Without Tools
  • Includes Mounting Hardware
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Power Rating: 4W


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This item is noncancelable and nonreturnable.

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Bogen Communications SM4T Overview

  • 1Description

The off-white Bogen Communications SM4T is an Easy Install series 4W surface-mount speaker in a lightweight ABS plastic shell offering intelligible voice reproduction for paging, talkback, and security applications in schools, warehouses, offices, and more. This multi-tap speaker is compatible with 25 and 70V amplifiers, and delivers a maximum power output of 4W across a frequency range of 125 Hz to 15 kHz with a 120° dispersion angle. A rotary switch grants access to five power tap settings.

Easily wire the SM4T using the color-coded mounting studs, and adjust the volume via the front-mounted knob without having to remove the speaker. Mounting hardware is supplied for simple, tool-free installation.


Simple three-step installation process takes less than one minute and requires no tools
Surface-mount design eliminates need to cut ceiling tile
Can be installed in any drop ceiling with standard ceiling tiles
Lightweight and durable plastic shell with a paintable off-white finish
O-ring seal holds speaker tight to ceiling surface, negating whistling and ensuring smoother sound without peaks
Compatible with 25 and 70V systems
Switch-selectable taps at 1/4, 1/2, 1, 2, and 4 watts
Wire-wound volume control on outside of speaker for easy access
125 Hz to 15 kHz frequency response contributes to intelligible voice reproduction
Direct and reflected sound paths create a wide dispersion angle of 120°
Color-coded mounting studs identify polarity simplify electrical connections
Textured studs easily pierce ceiling tile and secure wire nut connections
Wide-bottom, easy-to-handle mounting wing nuts provide secure speaker mounting
Compatible with SMTB tile bridge (available separately)
Includes all necessary mounting hardware
UPC: 765368481778
In the Box
Bogen Communications SM4T Easy Install 4W Surface-Mount Speaker (Off-White)
  • Mounting Hardware
  • Limited 3-Year Warranty
  • Table of Contents
    • 1Description

    Bogen Communications SM4T Specs

    Power Rating 4 W
    Power Taps Watts at 25 or 70 V: 1/4, 1/2, 1, 2, or 4
    Frequency Response 125 Hz to 15 kHz
    Impedance 25 or 70 V
    Sensitivity 90 dB SPL (1 W, 1 m)
    Dispersion 120°
    Input Mounting studs
    Construction Material ABS plastic
    Base Diameter 8.8" / 22.2 cm
    Dimensions (Diam. x Depth) 9.5 x 3.0" / 24.1 x 7.6 cm
    Weight 2 lb / 0.9 kg
    Flame Test 94-5VA
    Compliance NFPA National Code 160b
    Packaging Info
    Package Weight 2.9 lb
    Box Dimensions (LxWxH) 10.3 x 10.2 x 5.75"

    Bogen Communications SM4T Reviews

    SM4T Easy Install 4W Surface-Mount Speaker (Off-White) is rated 5.0 out of 5 by 1.
    Rated 5 out of 5 by from Easy Install PA Speakers These are the easiest speakers to install in a drop ceiling and they look great!!! They can be used on a 25v or 70v amplifier and the audio output adjustments are switchable. Great product for the money!!!
    Date published: 2012-12-04
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