SoundTube CM-EZ-II In Ceiling Speaker in Black

This product has been discontinued and has a limited remaining stock. Order today, and receive 50% off.

One 8 inch polypropylene cone with butyl rubber surround and one 1 inch polypropylene balanced dome tweeter with FerroFluid. Integrated backcan with 25/70.7/100-volt tap settings with transformer bypass position for ease of ordering, stocking and installation. Snap Cam four-point, spring-loaded mounting system for rapid installation.


 Quick-release mechanism for easy servicing. Ceramic input terminal accepts up to 10 gauge plenum rated signal wire and includes thermal fuse. Suitable for use in voice alarm applications subject to EU regulations EN60849 and BS5839-8. Adaptable to ceiling thicknesses ranging from 12.70 mm (0.5 in.) to 19.05 mm (0.75 in.). UL 1480 (UEAY) and 2043 approved.

  • ColorBlack
    Manufacturer’s Suggested Retail Price 
    Manufacturer’s CategoryCM-EZ Economical In-Ceiling
    Shipping Weight9.3 lbs / 4.22 kg
    Carton Height9.25 in / 234.95 mm
    Carton Length12 in / 304.8 mm
    Carton Width11.75 in / 298.45 mm
    CertificationsCE, RoHS, UL1480, UL2043
    Enclosure PropertiesABS, Sealed, Steel
    Included AccessoriesConduit Clamp, Tile Bridge
    Optional AccessoriesPre-Construction Bracket (AC-CM-EZ-PCB)|Junction Box (AC-CM-EZ-JBOX)|Tile Bridge (CM-TB81)
    Source Inputs#18 AWG Wire Leads
    Backcan Diameter9.13 in / 231.8 mm
    Backcan Height7.5 in / 190.5 mm
    Coverage Angle (-6dB @ 2kHz)55°
    Crossover Frequency5.6 kHz
    Cutout Width/Diameter9.75 in / 247.7 mm
    Directivity Factor (Q) (Averaged 100Hz – 10kHz, @ 2kHz)5.1 and 5.5
    Directivity Index (DI) dB (Averaged 100Hz – 10kHz, @ 2kHz)5.9dB and 7.4dB
    Frequency Response (± 10 dB)54 Hz – 22 kHz
    Frequency Response (± 3 dB)73 Hz – 19 kHz
    Grille PropertiesStandard-Flange, Friction-Fit, White, Paintable, Painted, Steel
    Low Frequency Voice Coil1 in / 25.4 mm
    Low Pass Crossover6 dB per octave 1st order
    Magnetically BoostedNo
    Max. Ceiling Thickness0.75 in / 19.1 mm
    Max. Continuous Power RMS40W
    Max. Program Power80 W
    Minimum Impedance (Ω Ohms)5.7 Ω
    Minimum Ceiling Thickness0.5 in / 12.7 mm
    Network Type: High Pass6 dB per octave 1st order
    Nominal Impedance (Ω Ohms)8 Ω
    Tweeter Driver1″ Balanced Dome
    Woofer Driver8″ Polypropylene
    Sensitivity dB @ 1W/1M87.5 dB
    Sensitivity dB @ 2.83V/1M87.5 dB
    Tap SelectorRotary Switch
    Transformer Options25 / 70.7 / 100 V, 8 Ohm direct
    Transformer Taps (25V/70.0V/100V)2.5W/20W/20W
    Visible Diameter10.75 in / 273.1 mm
    Visible Height0.2 in / 5.1 mm