SoundTube CM31-EZ 3" In-Ceiling Speaker, 20W RMS, Black, Single

SKU: SOCM31EZBK MFR: CM31-EZ-BK
$131.05
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Key Features

  • Experience crystal-clear audio with this 3" in-ceiling speaker, perfect for home theaters.
  • Enjoy easy installation with the included tile bridge and paint mask for a seamless look.
  • This SoundTube speaker delivers 20W RMS power, ensuring high-quality sound performance.
  • Achieve wide sound dispersion with a 175-degree coverage angle, ideal for any room size.
  • Customize your audio setup with a six-position rotary switch for versatile sound control.
  • The corrosion-resistant aluminum grille ensures lasting durability and a sleek aesthetic.
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Special Order?Estimated to Ship: 08/15/2025
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SoundTube CM31-EZ Specifications

  • System Type

    3" Full-Range, In-Ceiling (10W Transformer for 25/70.7/100V or Transformer Bypass Position)

  • Impedance

    8 Ohms (nominal)

  • Sensitivity

    At 2.83 V/1m:85.0dB
    At 1W/1m:85.0dB

  • Frequency Response

    218 Hz - 14 kHz (- 3dB)
    135 Hz - 22 kHz (-10dB)

  • Max. Program Power

    40W

  • Max. Continuous Power RMS

    20W

  • Max. Power SPL

    At 1m: 98.0dB

  • Coverage Angle

    175 deg. (-6dB at 2 kHz)
    45 deg. (-6dB at 10 kHz)
    120 deg. (averaged from 2 to 10 kHz)

  • Directivity Factor (Q)

    4.5 (averaged 100Hz - 10kHz); 3.5 (2kHz)

  • Directivity Index (DI)

    5.3 (averaged 100Hz - 10kHz); 5.2 (2kHz)

  • Tap Selector

    Six-Position Rotary Switch or Transformer Bypass Position

  • Transducer

    Full-Range Driver: 76.1mm (3") Polypropylene Driver with Butyl Rubber Surround 19mm (0.75")

  • Low Frequency Voice Coil

    19.0mm (0.75")

  • Enclosure Material

    ABS Baffle, Steel Backcan

  • Grille

    Corrosion-Resistant; Powder-Coated Aluminum

  • Inputs

    Hardwire lead

  • Regulatory

    UL 1480 (UEAY) and 2043 approved

  • RoHS

    Approved

  • Dimensions (Dia.xH)

    Backcan: 139.7 x 88.9mm (5.50 x 3.50")
    Visible: 160.6 x 15.2mm (6.32 x 0.60")

  • Weight

    1.4kg (3.1 lbs)

  • UPC Code

    752830439887

About SoundTube CM31-EZ

How can you enhance your audio experience With the CM31-EZ 3" In-Ceiling Speaker. This high-quality, full-range speaker is designed for 8 ohm or distributed audio solutions, making it a versatile choice for various audio setups. Its sleek black design and low-profile grille, with a total visible footprint of just 6.3 inches in diameter, ensures a seamless blend with your ceiling, making it an unobtrusive addition to any room.

The CM31-EZ is more than just a speaker; it's an integrated system. It features a backcan and driver design that allows for ultra-compact in-ceiling installations. This means you can enjoy superior sound without sacrificing space or aesthetics.

This in-ceiling speaker also includes a six-position tap switch with a transformer bypass position, offering you flexibility and control over your audio output. The package comes complete with a tile bridge and mounting hardware, featuring a fast and secure constant tension SpeedWing mounting system. This ensures a quick and easy installation process, saving you time and effort.

Engineered with weatherized components, the CM31-EZ is suitable for both indoor and outdoor applications. Whether you're setting up a sound system for a retail store, restaurant, conference room, or educational facility, this speaker delivers full-range intelligibility in a low-profile design.

For those seeking additional bass response down to 41 Hz (- 10 dB), the SM1001p powered 10" subwoofer can be incorporated. This makes the CM31-EZ 3" In-Ceiling Speaker a comprehensive solution for all your audio needs. Experience the difference of superior sound quality with the CM31-EZ 3" In-Ceiling Speaker.

SoundTube CM31-EZ Features

  • One 3" (76.2mm) full-range high-extrusion, high-fidelity polypropylene driver with butyl rubber surround
  • Weatherized components for indoor/outdoor applications
  • Shallow 3.5" (88.9mm) deep all-steel backcan with integrated driver and baffle configuration
  • Ultra-compact design with a total visible footprint of less than 6.3" (160.6mm) Diameter
  • Rapid installation, blind-mount, Fixed-Wing mounting mechanism with constant tension design a Fixing to wall thicknesses ranging from 0.1" (2.5mm) to 1" (38.1mm)
  • Corrosion-resistant, powder-coated aluminum grille with snap fit attachment
  • High quality black painted finish

Warranty Information

This product has a limited warranty of 60 months.

Key Features

  • Experience crystal-clear audio with this 3" in-ceiling speaker, perfect for home theaters.
  • Enjoy easy installation with the included tile bridge and paint mask for a seamless look.
  • This SoundTube speaker delivers 20W RMS power, ensuring high-quality sound performance.
  • Achieve wide sound dispersion with a 175-degree coverage angle, ideal for any room size.
  • Customize your audio setup with a six-position rotary switch for versatile sound control.
  • The corrosion-resistant aluminum grille ensures lasting durability and a sleek aesthetic.

What's in the box:

  • SoundTube CM31-EZ 3 " In-Ceiling Speaker
  • Tile Bridge
  • Paint Mask
  • Wire Nuts
  • UL-Listed Conduit Connector
  • SoundTube 5 Year Limited Warranty