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SoundTube CM82-BGM

8" commercial in-ceiling speaker (Black)

Item # 298C82BGB

A robust in-ceiling speaker for background music, with a 95° conical dispersion pattern.

A robust in-ceiling speaker for background music, with a 95° conical dispersion pattern.

Item # 298C82BGB

In stock
$192.00 each

Other options

About the SoundTube CM82-BGM

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A robust speaker for background music

SoundTube built the CM82-BGM to make background music sound good. This in-ceiling speaker has an 8" woofer, 1" silk tweeter, and a steel back enclosure with a tuned port for extended bass response. BroadBeam Ring™ technology helps create a 95° conical coverage pattern, so music fills the available space.

A built-in transformer tap lets you use one amplifier to drive several speakers in an efficient distributed audio system. Convenient fixed-wing mounting arms make installation easier.

Product highlights:

  • 8" polypropylene woofer with rubber surround and 1" silk dome tweeter
  • BroadBeam Ring™ technology for wide off-axis performance
    • 95° conical coverage
  • steel back enclosure with tuned port for extended bass response
  • built-in transformer for use with commercial sound systems
    • 70-volt taps: 4, 8, 16, 32 and 64 watts
    • 100-volt taps: 8, 16, 32 and 64 watts
    • 16-ohm transformer bypass
  • power handling: 128 watts continuous program power (when using transformer bypass)
  • frequency response: 56-20,000 Hz (-3dB)
  • maximum SPL: 102.5 dB
  • tile bridge, conduit clamp, and paint shield included
  • painted steel grille
  • fixed-wing mounting arms make installation easier
  • cutout diameter: 10-1/2"
  • depth: 8"
  • weight: 9 lbs.
  • warranty: 5 years
  • Our 60-day money-back guarantee
  • MFR # CM82-BGM-BK

What's in the box:

  • One in-ceiling speaker (black)
  • Grille w/attached safety restraint
  • Terminal cover plate
  • Conduit clamp
  • Paint guard
  • Installation instructions

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Crutchfield response

<< >>

More details on the SoundTube CM82-BGM

Russ B.

Features & specs

Drivers per speaker 2
Woofer Size (inches) 8
Tweeter Size (inches) 1
System Frequency response 56-20k
Maximum SPL 102.5
Power Handling
Power rating 64
Peak Power rating ---
Width (inches) 11-3/4
Height (inches) 8-13/16
Depth (inches) 8-7/16
Weight 9 lbs

Product Research


Overview: The Soundtube CM82-BMG is a 2-way, blind-mount, in-ceiling speaker featuring a coaxially mounted 8" woofer and a 1.0" tweeter in a drawn steel backcan. The speaker features transformer tap settings for 25, 70, and 100 volt operation, and also includes a 16Ω bypass. Designed specifically for indoor background music, the CM82-BMG is ideal for hotels, restaurants, airports, churches, retail stores, conference rooms, and more.

Drivers: The CM82-BMG features an 8" polypropylene woofer with a rubber surround along with a 1.0" silk dome tweeter, all mounted in a ported steel backcan enclosure. This combination delivers high efficiency and performance across the operating bandwidth with a frequency response of 54Hz - 20kHz (-3db). Able to handle up to 64 watts RMS (128 watts Program power) and with a sensitivity of 84.5 dB, the CM82-BMG can provide clear powerful sound with a coverage angle of up to 95˚ (average between 2kHz - 10kHz).

Enclosure: The CM82-BMG is housed in a drawn steel backcan with a ported ABS plastic front baffle providing added musicality with a bass response down to 45Hz (-10dB). Soundtube's BroadBeam Ring technology offers extended midrange clarity and ultra wide off-axis performance. The speaker includes a steel-mesh grille that can be painted to match the room color and includes an attached safety restraint lanyard. The CM82-BMG enclosure carries both UL1480 and UL2043 certifications and is CE and RoHS approved.

Mounting: Installation of the speaker is done blind-mount using a constant-tension fixed-wing mounting system. Two winged assemblies come pre-mounted to each side the speaker. Once the speaker is slid into the ceiling opening 2 Phillips-head screws on the front of the speaker are tightened. This expands out the mounting arms providing tension on the backside of the mounting surface. The CM82-BMG can be mounted to ceilings ranging in thickness from 0.035 to 1.6 inches, including drop-ceilings using the optional Tile Bridge. Three secondary attachment points are provided on the back of the speaker for an additional safety line.

25/70/100 Volt: The CM82-BMG can be used in 25, 70, and 100 volt applications and includes a 16Ω bypass selection. A tap selection dial on the front of the speaker allows for easy configuration without having to remove the speaker from the ceiling. The following tap settings are available:

  • 25 Volt: 0.5W, 1W, 2W, 4W, and 8W
  • 70 Volt: 4W, 8W, 16W, 32W, and 64W
  • 100 Volt: 8W, 16W, 32W, and 64W
  • 16Ω

Terminals: A 4-teriminal ceramic terminal strip is provided for wiring connections. One set of terminals provides the signal input while the other set provides a pass-thru for daisy-chaining multiple speakers. Each terminal can accommodate speaker wire up to 12 gauge in size and includes a set-screw to hold the wire firmly in place.


  • Speaker Type: 8", coaxial, in-ceiling
  • Woofer: 8" Treated fiber cone with cloth surround
  • Tweeter: 1.0" Silk dome
  • Impedance (nominal): 16Ω
  • Sensitivity (1W @ 1M): 84.5dB
  • Frequency Response (-3dB): 56Hz - 20kHz
  • Frequency Response (-10dB): 45Hz - 22kHz
  • Maximum Program Power: 64W
  • Maximum Continuous Power: 128W
  • Maximum SPL: 102.5dB
  • Coverage Angle (-6dB @ 2kHz): 105˚
  • Coverage Angle (-6dB @ 10kHz): 40˚
  • Coverage Angle (Avg. 2 - 10kHz): 95˚
  • Crossover Frequency: 3.0kHz
  • Tap Settings:
    • 25 Volt: 0.5W, 1W, 2W, 4W, and 8W
    • 70 Volt: 4W, 8W, 16W, 32W, and 64W
    • 100 Volt: 8W, 16W, 32W, and 64W
    • 16Ω
  • Enclosure Material: Sealed drawn-steel backcan, ABS front baffle
  • Grille: Painted steel-mesh
  • Inputs: 4-Terminal ceramic barrier strip
  • Dimensions: Diameter = 11.710", Depth (incl. grille) = 8.80"
  • Mounting Depth: 8.40"
  • Cutout Diameter: 10.410"
  • Maximum Ceiling Thickness: 0.035" to 1.60"
  • Weight: 9.0 lbs.

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