SoundTube RS400I 4" Coaxial Open-Ceiling Hanging Speaker with a BroadBeam, 20W RMS, Black, Single

SKU: SORS400IBK MFR: RS400I-BK
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Key Features

  • Experience superior audio with this SoundTube open-ceiling speaker, perfect for retail.
  • Enjoy broad sound coverage with the 125-degree dispersion of this coaxial speaker.
  • This 4" hanging speaker delivers crystal-clear sound with a titanium tweeter design.
  • Achieve optimal sound with a 20W RMS power, ideal for background music in any space.
  • Easily install this pendant speaker with included hardware, perfect for commercial setups.
  • This black SoundTube speaker blends seamlessly into any environment for great aesthetics.
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Special Order?Estimated to Ship: 08/18/2025
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SoundTube RS400I Specifications

  • System Type

    4" , coaxial, open-ceiling, ported (20-watt transformer for 25/70.7/100-volt or transformer bypass applications)

  • Impedance

    4 Ohms (nominal)

  • Sensitivity

    85.5dB (At 2.83 V/1 m)
    82.5dB (At 1 W/1 m)

  • Frequency Response

    95 Hz - 20 kHz ( - 3dB)
    76 Hz - 22 kHz ( - 10dB)

  • Max. Program Power

    40W

  • Max. Continuous Power RMS

    20W

  • Max. Power SPL

    At 1 m: 95.5dB

  • Coverage Angle

    125 deg. (-6dB At 2kHz)
    80 deg. (-6dB At 10kHz)
    125 deg. (averaged 2-10kHz)

  • Directivity Factor (Q)

    3.5 (averaged 100 Hz - 10 kHz); 4.6 (2 kHz)

  • Directivity Index (DI)

    4.2 (averaged 100 Hz - 10 kHz); 6.6dB (2 kHz)

  • Tap Selector

    Five-position rotary switch with transformer bypass

  • Transducer

    Low-Frequency Driver: 102mm (4.02") Polypropylene cone, butyl rubber surround
    High-Frequency Driver: 25mm (1.0") Convex titanium tweeter with waveguide

  • Low-Frequency Voice Coil

    25.4mm (1.0")

  • Crossover Frequency

    2.3kHz

  • Network Type

    12dB per octave, 2nd order (Low Pass)
    12dB per octave, 2nd order (High Pass)

  • Enclosure Material

    Injection molded ABS, glass fiber reinforced

  • Grille

    Steel with powder-coat finish

  • Inputs

    Four-pin, 5.08mm (0.20") Euroblock for individual or daisy chain connection

  • Regulatory

    UL 1480 (UEAY) and 2239 approved
    CE Approved

  • RoHS

    Approved

  • Dimensions (Dia.xH)

    195.6 x 223.5mm (7.70 x 8.80")

  • Weight

    2.3kg (5.0 lbs)

  • UPC Code

    644216201501

About SoundTube RS400I

From the reputable brand SoundTube, the RS400I 4" Coaxial Open-Ceiling Hanging Speaker is a stylish and innovative audio solution. This high-quality, durable speaker features a unique open-ceiling enclosure design, providing a visually appealing and functional option for those seeking superior audio playback in their homes or offices.

The RS400I is a two-way ported speaker that delivers a robust low-end response at 76 Hz and an impressive 125-degree off-axis performance from 2 to 10 kHz, independently verified for accuracy. The speaker's design incorporates SoundTube's proprietary BroadBeam waveguide tweeter system, ensuring consistent, high-performance audio across the operating bandwidth.

The RS400I speaker is not just about performance but also about aesthetics. It features a sleek, low-profile grille and a five-position tap switch with a transformer bypass position. The package includes hanging hardware with a Speed Clamp self-locking cable grip for fast, secure, and hassle-free installation.

Designed for both indoor and outdoor use, the RS400I is perfect for a range of sound pressure level (SPL) applications, from background to foreground. Its single-point mounting system allows for rapid open-ceiling installations, with an optional bracket available for surface-mount applications.

The speaker's broad dispersion pattern (125 degrees) and high sensitivity (82.5 dB 1 W/1 m) make it an ideal choice for various environments, including retail spaces, restaurants, grocery stores, hotels, casinos, fitness centers, conference rooms, big box stores, museums, trade shows, airports, and other open-ceiling spaces.

For those seeking additional bass, the RS400I can be paired with SoundTube's RS1001i-II-T 10" subwoofer, which delivers bass down to 38 Hz. Experience the perfect blend of style, innovation, and high-quality sound with the RS400I 4" Coaxial Open-Ceiling Hanging Speaker.

SoundTube RS400I Features

  • Patented BroadBeam waveguide technology delivers a consistent dispersion pattern for maximum intelligibility and edge-to-edge coverage (up to 10 kHz, independently verified)
  • One 4.0" (102 mm) polypropylene woofer and one 1.0" (25 mm) convex titanium tweeter with Ferro Fluid cooling
  • Weatherized components for indoor and outdoor applications
  • Includes UL listed hanging hardware with adjustable galvanized steel cables and integrated Speed Clamp self-locking cable grip for fast, easy and secure installation. Also includes Euroblock connector and terminal weather boot
  • Patented Zero Reflection enclosure technology for optimal sound reproduction and cabinet rigidity
  • Easy access five-position selectable tap switch for 25-, 70.7- and 100-volt applications with transformer bypass position simplifies ordering and inventory tracking
  • Steel grille with protective powder coated finish for lasting durability
  • Average sensitivity of 82.5dB offers high-output capabilities and reduced amplification costs
  • UL 1480 (UEAY) approved
  • High-quality black paint finish

Warranty Information

This product has a limited warranty of 60 months.

Key Features

  • Experience superior audio with this SoundTube open-ceiling speaker, perfect for retail.
  • Enjoy broad sound coverage with the 125-degree dispersion of this coaxial speaker.
  • This 4" hanging speaker delivers crystal-clear sound with a titanium tweeter design.
  • Achieve optimal sound with a 20W RMS power, ideal for background music in any space.
  • Easily install this pendant speaker with included hardware, perfect for commercial setups.
  • This black SoundTube speaker blends seamlessly into any environment for great aesthetics.

What's in the box:

  • SoundTube RS400I 4 " Coaxial Open-Ceiling Hanging Speaker
  • Hanging Hardware
  • Euroblock Connector
  • Terminal Weather Boot
  • SoundTube 5 Year Limited Warranty