SoundTube CM31-EZ 3" In-Ceiling Speaker, 20W RMS, White, Single
See all SoundTube items

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

SKU: SOCM31EZWH MFR: CM31-EZ-WH
Be the first to review this itemAsk a Question
$131.05
Earn VIP Reward Points

Key Features

  • Experience exceptional audio with this SoundTube in-ceiling speaker, perfect for home theaters.
  • Enjoy wide sound dispersion from this in-ceiling speaker, ensuring balanced audio throughout the room.
  • This durable in-ceiling speaker features a corrosion-resistant grille, ensuring years of reliable use.
  • Achieve seamless integration with this white in-ceiling speaker, designed to blend into any decor.
  • Customize your audio setup with multiple wattage taps on this versatile in-ceiling speaker system.
  • Benefit from easy installation with this compact in-ceiling speaker, ideal for any home environment.
See More Product Details
Special Order?Estimated to Ship: 08/15/2025
Free Shipping

See Options

1
Add to ListGet Sale Alert

Protect your gear with Adorama Protect.* Learn more

1 Year

$7.99

2 Year

$12.99

3 Year

$21.99

Available to U.S. customers only.

Need help? Ask our experts.

Overview
Compare
Specs
Protection
Q&A

Questions & Answers

Reviews about this item

Review Summary

Select a plan in the Add Protection section above and purchase with this product by clicking “Add to Cart”.

image-protection

TRUSTED PROTECTION PLANS, EXCEPTIONAL SERVICE.

Invest In Your Gear and Peace Of Mind!

Accidents happen. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failures, and more.

Repair or Replacement

Repair or Replacement

If we can’t fix it, we’ll replace it at no additional cost.

Accidental Damage

Accidental Damage

Protect your product from drops, spills, and more.

Peace of Mind

Peace of Mind

Enjoy your gear without fear. We have you covered!

Failure Protection

Failure Protection

When regular use of your product over time results in mechanical or electrical failure.

Zero Deductible

Zero Deductible

We will never charge you a deductible after the purchase of a plan.

Customer-Focused Support

Customer-Focused Support

Our claims process is simple & easy and our customer service team is happy to help.

Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for international or U.S. territories purchases. Plans on open box items do not cover pre-existing damage.
Adorama Protect plans are available for ABS clients. If you have any questions or require assistanse, please call 800-223-2500

Browse our FAQ

See Terms & Conditions

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

    752830439986

About SoundTube CM31-EZ

The CM31-EZ is a premium full-range 3" in-ceiling speaker for applications requiring 8 ohm or distributed audio solutions. The CM31-EZ incorporates low profile grille with a total visible footprint of 6.3 inch diameter and an integrated backcan and driver design for ultra compact in-ceiling installations. The in-ceiling speaker includes a six-position tap switch with a transformer bypass position. A tile bridge and mounting hardware are included and feature a fast and secure constant tension SpeedWing mounting system. The CM31-EZ incorporates weatherized components for indoor/outdoor applications.

Applications
Engineered for rapid installation and low profile mounting for smaller venues, the CM31-EZ is ideal for retail, restaurants, conference rooms, educational facilities or any setting where full-range intelligibility, low profile design and in-ceiling installation ease are paramount. For additional bass response down to 41 Hz (- 10 dB), the SM1001p powered 10" subwoofer may be incorporated.

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 White painted finish

Warranty Information

This product has a limited warranty of 60 months.

Join VIP PRO

2 Day Delivery on thousands of items!

Sell or Trade your Gear

Get started in 3 easy steps

Key Features

  • Experience exceptional audio with this SoundTube in-ceiling speaker, perfect for home theaters.
  • Enjoy wide sound dispersion from this in-ceiling speaker, ensuring balanced audio throughout the room.
  • This durable in-ceiling speaker features a corrosion-resistant grille, ensuring years of reliable use.
  • Achieve seamless integration with this white in-ceiling speaker, designed to blend into any decor.
  • Customize your audio setup with multiple wattage taps on this versatile in-ceiling speaker system.
  • Benefit from easy installation with this compact in-ceiling speaker, ideal for any home environment.

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