Soundtube CM800i
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Soundtube CM800i

The Soundtube CM800i flush mount ceiling speaker can be used on both low impedance (8 ohm) or high impedance sound systems (70.7v or 100 volt line).

It has an 8" two way driver with 1" convex titanium tweeter and offers superb sound quality for public address paging and background music applications. Offering an output of 125 watts, 8 ohm or tappings of 66w, 33w, 19w, 10w on 100 volt line.

A tap switch is provided to select transformer tappings or select transformer bypass for use on low impedance sound systems.

A tile bridge and aluminium backcan / dome cover are included.

A tool free magnetic grille assembly with integral safety cable ensures a simple installation and the potential for painting to match ceiling colour.

  • Patented BroadBeam™ dispersion technology delivers fuler more area with full-frequency sound.
  • Fast-action, four-pin Euroblock connector that speeds up wiring, allows simplified daisy-chaining and provides the option for pre-wiring
  • Installation hardware, including hanging cables, snap-link, fast-adjusting cable clamps and wire ties, is included.
  • 25, 70.7 and 100 Volt transformer options with voice coil / 8 Ohm direct.
  • High-frequency driver protection with automatic reset.
  • Durable construction, powder-coated grille and terminal weather boot allow for indoor or outdoor installations.
  • Sonically matched with SoundTube's new CMi (in ceiling) and SMi (surface mount) speakers.
100V 8ohms
List Ex VAT: £422.22
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Frequency Response(-3 dB)

97 Hz - 22 kHz


90 dB

Power Capacity RMS

125 W

Max SPL dB @ 1 M

111 dB

Nominal Impedance

8 ohm


1" / 25 mm Titanium with waveguide


8 in / Polypropylene, butyl rubber surround


4-pin Euroblock

Visible Height

27.4 mm (1.08 in.)

Backcan Height

201.7 mm (7.94 in.)

Visible Diameter

374.9 mm (14.76 in.)


5.7 kg (12.5 lbs.)