SoundTube Entertainment SM31-EZ 3" Surface-Mount Speaker (Black)

SoundTube Entertainment SM31-EZ 3" Surface-Mount Speaker (Black)

SoundTube Entertainment SM31-EZ 3" Surface-Mount Speaker (Black)


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Expected availability: 7-10 business days

Color: Black

SoundTube Entertainment SM31-EZ 3 SoundTube Entertainment SM31-EZ 3

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This item is noncancelable and nonreturnable.

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SoundTube Entertainment SM31-EZ overview

  • 1Description

The black SM31-EZ 3" Surface-Mount Speaker from SoundTube Entertainment is an 8 Ω surface-mount speaker that incorporates a 3" polypropylene driver with butyl rubber surround. The dimensions of this speaker measure smaller than a 4" sphere.

The speaker incorporates a proprietary attachment with indexed swivel-joint for complete hemispherical aiming. Components have been weatherized for indoor/outdoor applications. The speaker is engineered for rapid installation and low profile mounting for smaller venues. It is suitable for use in retail, restaurants, conference rooms, patio areas, educational facilities or any setting where full-range intelligibility, unobtrusive design and installation ease are paramount.

One 3" polypropylene driver with butyl rubber surround
Weatherized components for indoor/outdoor applications
Theft- and corrosion-resistant mounting mechanism with an indexed swivel-joint for precision aiming in any direction
Ultra-low profile ZeroReflection ABS enclosure
Corrosion-resistant, powder-coated aluminum grille
UL 1480 (UEAY) approved
Black finish
In the Box
SoundTube Entertainment SM31-EZ 3" Surface-Mount Speaker (Black)
  • Limited 5-Year Warranty on Parts & Labor
  • Table of Contents
    • 1Description

    SoundTube Entertainment SM31-EZ specs

    System Type 3" (76.2 mm) full-range, surface-mount
    Impedance 8 Ω
    Sensitivity 85.0 dB at 2.83 V/1 m & 1 W/1 m
    Frequency Response -3 dB: 170 Hz to 14 kHz, -10 dB: 120 Hz to 22 kHz
    Max. Program Power 40 W
    Max. Continuous Power RMS 20 W
    Max. Power SPL 98 dB at 1 m
    Coverage Angle 70°: -6 dB at 2 kHz
    45°: -6 dB at 10 kHz
    80°: averaged from 2 to 10 kHz
    Angle of Inclination 0 to 90° vertical 0 to 359° axial (full hemisphere)
    Directivity Factor q: 4.9 (averaged 100 Hz to 10 kHz), 7.1 (2 kHz)
    Directivity Index 5.1 dB (averaged 100 Hz to 10 kHz), 8.5 dB (2 kHz)
    Transducer 3" (76.1 mm) polypropylene driver with butyl rubber surround
    Low Frequency Voice Coil 0.75" (19 mm)
    Enclosure ABS
    Grille Corrosion-resistant, powder-coated aluminum
    Inputs Screw terminal
    Approvals UL, CE, RoHS
    Enclosure Diameter x Depth: 4 x 3.5" (101.6 x 88.9 mm) including mounting plate
    Height 4.35" (110.4 mm)
    Width 4.35" (110.4 mm)
    Depth Including mounting bracket: 3.81" (96.9 mm)
    Weight 1.4 lb (0.6 kg)
    Packaging Info
    Package Weight 2.0 lb
    Box Dimensions (LxWxH) 7.0 x 6.0 x 6.0"

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