SoundTube CM890D
8" High-Power In-Ceiling Speaker, 11.77" Back Can


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SoundTube’s CMi series incorporates BroadBeam® full-frequency dispersion technology and fixed-wing installation features for any type of hanging-tile or sheetrock application. Ideal for office, church, restaurant/nightclub, entertainment, museum, conference room, school, retail, amusement and hospitality applications.


  • Patented BroadBeamHP waveguide technology delivers a consistent dispersion pattern for maximum intelligibility and edge-to-edge coverage (up to 10 kHz, independently verified).
  • 120-watt transformer and high output (114dB) for the sound reinforcement and PA markets.
  • An 11.77" DeepCan for additional bass response.
  • One 8" treated fiber driver and one compression driver with a 1" exit mounted to a proprietary cast-aluminum M8 baffle and heat sink.
  • Sensitivity of 93dB (1W/1m) offers high-output capabilities and reduced amplification costs.
  • Separate tool-free magnetic grill and bezel assembly with integrated safety/seismic cable for ease of install and in-field painting.
  • Steel grill with protective powder-coated finish for lasting durability.
  • Easy access five-position selectable tap switch for 25-,70.7-, 100-Volt and low-impedance applications simplifies ordering and inventory tracking.
  • Rapid-installation, blind-mount, fixed-wing mounting mechanism with constant-tension design affixes to ceiling thicknesses ranging from .25" to 1.91"
  • UL 1480 and 2043 approved.
  • Included Accessories: Tile bridge, Euroblock connector, conduit plate, support cable, paint mask/installation aid.


  • Frequency Response (-3dB) 77Hz - 22kHz
  • Low Frequency (-10dB): 61Hz
  • Sensitvity: 93.0dB
  • Power Capacity RMS: 125W
  • Max SPL dB @ 1 M: 114dB
  • Nominal Impedance: 8 Ohm
  • Woofer: 8" treated fiber
  • Tweeter: 1" compression driver
  • Connections: Four-Pin Euroblock
  • Visible Height: 1.08"
  • Visible Diameter: 14.76"
  • Weight: 23.9 lbs
  • Colors: Black, White

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