SoundTube CM400I 4" 2-Way In-Ceiling Speaker with BroadBeam, 20W RMS, White, Single

SKU: SOCM400IWH MFR: CM400I-WH
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Key Features

  • Experience superior audio with this 4" SoundTube in-ceiling speaker.
  • Enjoy crystal-clear sound quality with a broad frequency response (90 Hz - 22 kHz).
  • This durable in-wall speaker delivers 20W RMS for immersive home theater sound.
  • Achieve optimal sound coverage with a wide 100-degree dispersion angle.
  • Seamlessly integrate this white in-ceiling speaker into any room's aesthetics.
  • Quick, easy installation with Euroblock connector and included tile bridge.
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Special Order?Estimated to Ship: 08/24/2025
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SoundTube CM400I Specifications

  • System Type

    4" coaxial, in-ceiling, ported (20W transformer for 25-;70.7-, 100V or transformer bypass)

  • Impedance

    4 Ohms (nominal)

  • Sensitivity

    90.0dB At 2.83 V/1m
    87.0dB At 1W/1m

  • Frequency Response

    90 Hz - 22 kHz(- 3dB)
    75 Hz - 22 kHz(-10dB)

  • Max. Program Power

    40W

  • Max. Continuous Power RMS

    20W

  • Max. Power SPL

    At 1m: 100.0dB

  • Coverage Angle

    100 deg. (-6dB at 2 kHz)
    65 deg. (-6dB at 10 kHz)
    95 deg. (Avg. 2 - 10 kHz)

  • Directivity Factor (Q)

    4.6 (avg. 100 Hz - 10 kHz); 4.3 (2 kHz)

  • Directivity Index (DI)

    5.6dB (avg. 100 Hz - 10 kHz); 6.3dB (2 kHz)

  • Tap Selector

    Five-position rotary switch with transformer bypass

  • Transducer

    Low-Frequency Driver: 102mm (4") polypropylene cone, butyl rubber surround; High-Frequency Driver: 25mm (1") convex aluminum tweeter

  • Low-Frequency Voice Coil

    19.0mm (0.75")

  • Crossover Frequency

    1.8 kHz

  • Network Type

    Low Pass: 12dB per octave, 2nd order
    High Pass: 12dB per octave, 2nd order

  • Enclosure Material

    Drawn steel backcan with ABS baffle

  • Grille

    Powder coated steel with integrated ABS bezel

  • Inputs

    Four-pin, 5.08mm Euroblock for individual or daisy chain connection

  • Mounting Hole Diameter

    167.6mm (6.60")

  • Min / Max Ceiling Thickness

    0.6mm (0.025") / 47.5mm (1.87")

  • Regulatory

    UL 1408 (UEAY), 2043 Approved; CE Approved

  • RoHS

    Approved

  • Dimensions (Dia.xH)

    Backcan: 153.7 x 166.4mm (6.05 x 6.55")
    Visible: 207.0 x 11.9mm (8.15 x 0.47")

  • Weight

    2.5kg (5.5 lbs)

  • UPC Code

    752830440388

About SoundTube CM400I

Overwhelm your senses with the Soundtube CM400I 4" 2-Way In-Ceiling Speaker. This sleek and modern speaker is designed to deliver an immersive audio experience right in your home or business. With its BroadBeam technology, it ensures optimal off-axis performance, providing a rich, clear sound from 2 to 10 kHz, as independently verified.

This elegant in-ceiling speaker is more than just a stylish addition to your space. It's engineered for effective low-end response, reaching as low as 75 Hz at -10 dB, ensuring you don't miss a beat. The CM400I's design incorporates a low-profile grille, seamlessly blending into your ceiling for a refined, unobtrusive look.

The speaker also features a five-position tap switch with a transformer bypass position, offering flexibility and control over your audio output. The high-quality CM400I comes with mounting hardware, including a fast and secure constant-tension fixed-wing mounting system, making installation a breeze.

Ideal for a range of applications, the CM400I is perfect for in-ceiling background to mid-level SPL applications. Whether you're playing music in a retail store, paging in a hospital, or setting the mood in a restaurant, this speaker delivers. For venues like courthouses, schools, hotels, casinos, museums, conference rooms, and churches, the CM400I ensures clear, high-quality sound.

When additional bass is required, pair the CM400I with SoundTube's CM1001d-T or SM1001p 10" subwoofers for an even more powerful audio experience, extending the low-end response down to 41 Hz at -10 dB. Experience the difference of the Soundtube CM400I 4" 2-Way In-Ceiling Speaker, where style meets superior sound.

SoundTube CM400I Features

  • One 4.0" (102mm) polypropylene woofer and one 1.0" (25mm) convex aluminum tweeter with FerroFluid cooling
  • Rapid installation blind-mount, fixedwing mounting mechanism with constant tension design affixing to ceiling thicknesses ranging from 0.025" (0.6mm) to 1.87" (47.5mm)
  • Easy access five-position selectable tap switch for 25-, 70.7- and 100-volt applications with transformer bypass position
  • Separate tool-free magnetic grille and bezel assembly for ease of install and in-field painting
  • Powder-coated steel grille for lasting durability
  • 90dB average sensitivity offers high-output capabilities and reduced amplification costs
  • High-quality white painted finish

Warranty Information

This product has a limited warranty of 60 months.

Key Features

  • Experience superior audio with this 4" SoundTube in-ceiling speaker.
  • Enjoy crystal-clear sound quality with a broad frequency response (90 Hz - 22 kHz).
  • This durable in-wall speaker delivers 20W RMS for immersive home theater sound.
  • Achieve optimal sound coverage with a wide 100-degree dispersion angle.
  • Seamlessly integrate this white in-ceiling speaker into any room's aesthetics.
  • Quick, easy installation with Euroblock connector and included tile bridge.

What's in the box:

  • SoundTube CM400I 4 " 2-Way In Ceiling Speaker
  • Tile Bridge
  • Euroblock Connector
  • UL Cover Plate
  • SoundTube 5 Year Limited Warranty