SoundTube CM500i In Ceiling Speaker in White

One 5.25 inch polypropylene woofer and one 1.0 inch convex titanium tweeter with FerroFluid cooling mounted to a proprietary cast-aluminum baffle and heat sink. Patented BroadBeam® waveguide technology delivers a consistent dispersion pattern for maximum intelligibility and edge-to-edge coverage. Rapid-installation, blind-mount, fixed wing mounting mechanism with constant tension design affixing to ceiling thicknesses ranging from 0.25 inch (6.4 mm) to 1.91 inch (48.5 mm).


 Easy-access six-position selectable tap switch for 25-, 70.7- and 100-volt applications with transformer bypass position. Separate tool-free magnetic grille and bezel assembly with integrated safety cable for ease of install and in-field painting. Steel grille with protective powder-coated finish for lasting durability.

  • ColorWhite
    Manufacturer’s Suggested Retail Price 
    Manufacturer’s CategoryCMi In-Ceilings
    Height11.4 in / 289.6 mm
    Width/Diameter8.36 in / 212.3 mm
    Shipping Weight25.45 lbs / 11.54 kg
    Carton Height15.25 in / 387.35 mm
    Carton Length26 in / 660.4 mm
    Carton Width14 in / 355.6 mm
    CertificationsCE, RoHS, UL1480A, UL2043
    Enclosure PropertiesABS Glass Fiber Reinforced, Injection Molded, Ported
    Enclosure Volume349.6 cu in / 5728.92 cu cm
    Included AccessoriesConduit Plate, Euroblock, Grille, Paint Mask, Tile Bridge
    Optional AccessoriesWhite Grill (GRL-CM500-WH-1)|White Weather-Guard Grill (GRL-CM500-WG-WH)|White Flangeless Grille (GRL-CM5-FLG-WH)|Tile Bridge (AC-CM5-TB)|Pre-Construction Bracket (AC-CM5-PCB)|Cover Plate (CVR-CMI-BACKPLATE)|Connector (EUROBLOCK)|Junction Box (AC-CM-JBOX)
    Source Inputs4 Pin 5.08mm Euroblock
    Crossover Frequency3.0 kHz
    Directivity Factor (Q) (Averaged 100Hz – 10kHz, @ 2kHz)4.6 and 9.8
    Directivity Index (DI) dB (Averaged 100Hz – 10kHz, @ 2kHz)5.6dB and 9.9dB
    Frequency Response (± 10 dB)60 Hz – 22 kHz
    Frequency Response (± 3 dB)86 Hz – 22 kHz
    Grille PropertiesStandard-Flange, Magnetic, Powder-Coated, White, Paintable, Steel
    Low Frequency Voice Coil1 in / 25.4 mm
    Low Pass Crossover12 dB per octave 2nd order
    Magnetically BoostedNo
    Max. Continuous Power RMS75W
    Max. Program Power150 W
    Minimum Impedance (Ω Ohms)4 Ω
    Mounting Depth10.48 in / 266.2 mm
    Network Type: High Pass12 dB per octave 2nd order
    Nominal Impedance (Ω Ohms)4 Ω
    Tweeter Driver1″ Convex Titanium w/ BroadBeam® Waveguide
    Woofer Driver5.25″ Polypropylene
    Sensitivity dB @ 1W/1M83 dB
    Sensitivity dB @ 2.83V/1M86 dB
    Tap SelectorRotary Switch
    Transformer Options25 / 70.7 / 100 V, 4 Ohm direct
    Transformer Taps (25V/70.0V/100V)8W/64W/64W