SoundTube’s CM-EZ series provides great sound and great value. Available in multiple sizes, including short-can mounts for tight ceiling spaces, CM-EZ speakers offer fast fixed-wing installation and lower overall system costs.

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CM31-EZ     |     CM42-EZs-II     |     CM62-EZ-II     |     CM62-EZs-II     |     CM82-EZ-II     |     CM82-EZs-II     |     CM-EZ-II     |     CM89-EZ

CM31-EZ

3″ PREMIUM FULL-RANGE IN-CEILING SPEAKERS

One 3 inch (76.2 mm) full-range high-extrusion, high-fidelity polypropylene driver with butyl rubber surround. Weatherized components for indoor/outdoor applications. Shallow 3.5 inch (88.9 mm) deep all-steel backcan with integrated driver and baffle configuration. Ultra-compact design with a total visible footprint of less than 6.3 inch (160.6 mm)diameter. Rapid installation, blind-mount, fixed-wing mounting mechanism with constant tension design affixing to wall thicknesses ranging from 0.1 in. (2.5 mm) to 1.5 in. (38.1 mm). Corrosion-resistant, powder-coated aluminum grille with snap fit attachment. 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. UL 1480 (UEAY) and 2043 approved. Included accessories: Tile bridge.
Large Product Image | A&E Specs | Tech Sheet | Installation Guide | GLL | EASE4.0 | EASE3.0 | CLF 1 | CLF 2 | DXF | DWG | PDF
Frequency Response (-10 dB) 135 Hz – 22 kHz
Sensitivity 85.0 dB
Power Capacity RMS 20 W
Max SPL dB @ 1 M 98.0 dB
Nominal Impedance 8 ohm
Transformer Options 25 / 70.7 / 100 Volt
8 Ohm Direct
Full-Range Drivers 3″ Polypropylene
Connections 4 position ceramic terminal strip
Visible Height 15.2 mm (0.6 in.)
Visible Diameter 160.6 mm (6.3 in.)
Backcan Height 88.9 mm (3.5 in.)
Backcan Diameter 139.7 mm (5.5 in.)
Weight 1.4 kg (3.1 lbs.)
Shipping Weight 1.8 kg (4.0 lbs.)
Optional Accessories Pre-construction bracket (AC-CM3-PCB)
10″ powered subwoofer (SM1001p)
Colors Black / White / Custom
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CM42-EZs-II

4″ COAXIAL IN-CEILING SHALLOW BACKCAN SPEAKER

Engineered for applications with lim­ited plenum space incorporating a Sound­Tube-specific shallow backcan with an installed depth of only 3.5 inches. One 4 inch (102 mm) treated fiber woofer with cloth surround and one 0.75 inch (19 mm) silk dome tweeter. Easy-access six-position tap switch for 25/70.7/100-volt and 16 ohm transformer bypass position allows for easy ordering, stocking and installation. Reduced amplification costs with maxi­mum efficiency including 87.5 dB sensitiv­ity and 16 ohm impedance. Superior voice intelligibility with an average coverage angle of 100° (2–10 kHz, independently verified). Cost-effective 16 ohm settings allows for the use of multiples of two, four, or six speakers in a system using a standard amplifier without a transformer. Incorporates a painted steel grille for lasting durability. 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. EN54-24 listed. Clamping allowance from 0.00 in. (0.0 mm) to 1.50 in. (38.1 mm). UL 1480 (UEAY) and 2043, CE (EMC Directive 89/366/EEC, EN55020, EN55013) approved. Included accessories: Tile bridge, UL-listed 0.5-inch flex conduit clamp, paint shield and two wire nuts.
Large Product Image | A&E Specs | Tech Sheet | Installation Guide | GLL | Tech Brief | EASE4.0 | EASE3.0 | CLF 1 | CLF 2 | Revit | DWG
Frequency Response (-10 dB) 125 Hz – 22 kHz
Sensitivity 87.5 dB
Power Capacity RMS 20 W
Max SPL dB @ 1 M 100.5 dB
Nominal Impedance 16 ohm
Transformer Options 25 / 70.7 / 100 Volt
16 Ohm direct
Tweeter 0.75″ Silk
Woofer 4″ Treated fiber
Visible Height 8.4 mm (0.33 in.)
Visible Diameter 190.5 mm (7.50 in.)
Backcan Height 95.3 mm (3.75 in.)
Backcan Diameter 146.8 mm (5.78 in.)
Weight 1.8 kg (4.0 lb.)
Shipping Weight 2.3 kg (5.0 lb.)
Optional Accessories Color-coded (orange) pre-construction bracket (AC-CM4EZ-PCB)
Junction box (AC-CM-EZ-JBOX).
Colors Black / White / Custom
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CM62-EZ-II

6.5″ COAXIAL IN-CEILING SPEAKER

The next generation version of the CM62-EZ with improved and additional features. One 6.5 in (165 mm) treated fiber woofer with cloth surround and one 1.0 in (25.4 mm) silk dome tweeter. Easy-access, six-position tap switch for 25/70.7/100-volt and 16 ohm transformer bypass position allows for easy ordering, stocking and installation. Reduced amplification costs with maximum efficiency including 90 dB sensitivity and 16-ohm impedance. Superior voice intelligibility with a 10 kHz coverage angle of 80° (Independently verified). Incorporates a painted steel grille for lasting durability. 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. EN54-24 listed. Adaptable to material thicknesses ranging from 0.04 in (0.9 mm) to 1.60 in (40.6 mm). UL 1480 (UEAY) and 2043, CE (EMC Directive 89/366/EEC, EN55020, EN55013) approved. Included accessories: Tile bridge, UL listed 0.5-inch flex conduit clamp, paint shield and two wire nuts.
Large Product Image | A&E Specs | Tech Sheet | Installation Guide | GLL | EASE4.0 | EASE3.0 | CLF 1 | CLF 2
Frequency Response (-10 dB) 65 Hz – 22 kHz
Sensitivity 90 dB
Power Capacity RMS 50 W
Max SPL dB @ 1 M 107.0 dB
Nominal Impedance 16 ohm
Transformer Options 25 / 70.7 / 100 Volt option with a 16 Ohm direct
Tweeter 1″ Silk
Woofer 6.5″ Treated fiber
Connections 4 position ceramic terminal strip
Visible Height 8.6 mm (0.34 in)
Visible Diameter 298.5 mm (11.75 in)
Backcan Height 146.1 mm (5.75 in)
Backcan Diameter 245.6 mm (9.67 in)
Weight 3.6 kg (8.0 lbs)
Shipping Weight 4.1 kg (9.0 lbs)
Optional Accessories Color-coded (green) pre-construction bracket (AC-CMEZ6/8-PCB)
Junction box (AC-CM-EZ-JBOX)
Colors Black / White / Custom
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CM62-EZs-II

6.5″ COAXIAL IN-CEILING SPEAKER

The next generation version of the CM62-EZs with improved and additional features. Engineered for applications with limited plenum space, incorporating a SoundTube-specific shallow backcan with an installed depth of only 3.5 inches. One 6.50 in (165.0 mm) treated fiber woofer with cloth surround and one 1.00 in (25.4 mm) silk dome tweeter. Easy-access six-position tap switch for 25/70.7/100-volt and 16 ohm transformer bypass position allows for easy ordering, stocking and installation. Reduced amplification costs with maximum efficiency including 90.5 dB sensitivity and 16 ohm impedance. Superior voice intelligibility with a 10 kHz coverage angle of 80° (independently verified). Cost-effective 16 ohm settings allows for the use of multiples of two, four, or six speakers in a system using a standard amplifier without a trans former. Incorporates a painted steel grille for lasting durability. 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. EN54-24 listed. Adaptable to material thicknesses ranging from 0.04 inch (0.9 mm) – 1.60 inch (40.6 mm). UL 1480 (UEAY) and 2043, cUL, CE (EMC Directive 89/366/EEC, EN55020, EN55013) approved. Included accessories: Tile bridge, UL-listed 0.5-inch flex conduit clamp, paint shield and two wire nuts.
Large Product Image | A&E Specs | Tech Sheet | Installation Guide | GLL | EASE4.0 | EASE3.0 | CLF 1 | CLF 2
Frequency Response (-10 dB) 75 Hz – 22 kHz
Sensitivity 90.5 dB
Power Capacity RMS 50 W
Max SPL dB @ 1 M 107.5 dB
Nominal Impedance 16 ohm
Transformer Options 25 / 70.7 / 100 Volt
16 Ohm direct
Tweeter 1″ Silk
Woofer 6.5″ Treated fiber
Connections 4 position ceramic terminal strip
Visible Height 8.6 mm (0.34 in)
Visible Diameter 298.5 mm (11.75 in)
Backcan Height 95.3 mm (3.75 in)
Backcan Diameter 245.6 mm (9.67 in)
Weight 3.2 kg (7.0 lbs)
Shipping Weight 3.6 kg (8.0 lbs)
Optional Accessories Color-coded (green) pre-construction bracket (AC-CMEZ6/8-PCB)
Junction box (AC-CM-EZ-JBOX)
Colors Black / White / Custom
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CM82-EZ-II

8.0″ COAXIAL IN-CEILING SPEAKER

The next generation version of the CM82-EZ with improved and additional features. One 8.0 inch (203 mm) polypropylene woofer with butyl rubber surround and one 1.0 inch (25.4 mm) silk dome tweeter. Easy-access six-position tap switch for 25/70.7/100-volt and 16-ohm transformer bypass settings allows for easy ordering, stocking and installation. Reduced amplification costs and maximum efficiency 89.0 dB sensitivity, 16 ohm impedance and a sealed enclosure. Superior voice intelligibility with an average coverage angle of 95° (2–10 kHz, independently verified). Cost-effective 16 ohm settings allows for the use of multiples of two, four, or six speakers in a system using a standard amplifier without a transformer. Incorporates a painted steel grille with rust inhibitor for lasting durability. 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 0.04 inch (0.9 mm) to 1.60 inch (40.6 mm). UL 1480 (UEAY) and 2043, cUL, CE (EMC Directive 89/366/EEC, EN55020, EN55013) approved. Included accessories: tile bridge, UL-listed 0.5-inch conduit clamp, paint shield and two wire nuts.
Large Product Image | A&E Specs | Tech Sheet | Installation Guide | GLL | EASE4.0 | EASE3.0 | CLF 1 | CLF 2
Frequency Response (-10 dB) 65 Hz – 22 kHz
Sensitivity 89 dB
Power Capacity RMS 64 W
Max SPL dB @ 1 M 107 dB
Nominal Impedance 16 ohm
Transformer Options 25 / 70.7 / 100 Volt
16 Ohm direct
Tweeter 1″ Silk
Woofer 6.5″ Treated fiber
Connections 4 position ceramic terminal strip
Visible Height 8.6 mm (0.34 in)
Visible Diameter 298.5 mm (11.75 in)
Backcan Height 146.1 mm (5.75 in.)
Backcan Diameter 245.6 mm (9.67 in)
Weight 4.1 kg (9.0 lbs.)
Shipping Weight 4.5 kg (10.0 lbs.)
Optional Accessories Color-coded (green) pre-construction bracket (AC-CMEZ6/8-PCB)
Junction box (AC-CM-EZ-JBOX)
Colors Black / White / Custom
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CM82-EZs-II

8″ COAXIAL IN-CEILING SHALLOW BACKCAN SPEAKER

The next generation version of the CM82-EZs with improved and additional features. Engineered for applications with limited plenum space incorporating a SoundTube-specific shallow backcan with an installed depth of 3.5 inches. One 8 inch (203 mm) polypropylene woofer with butyl rubber surround and one 1.0 inch (25.4 mm) silk dome tweeter. Easy-access six-position tap switch for 25/70.7/100-volt and 16 ohm transformer bypass settings allows for easy ordering, stocking and installation. Reduced amplification costs and maximum efficiency of 88.0 dB sensitivity, 16 ohm impedance and a sealed enclosure. Superior voice intelligibility with an average coverage angle of 105° (2–10 kHz, independently verified). Cost-effective 16 ohm settings allows for the use of multiples of two, four, or six speakers in a system using a standard amplifier without a transformer. Incorporates a painted steel grille with rust inhibitor for lasting durability. 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 0.04 inch (0.9 mm) to 1.60 inch (40.6 mm). UL 1480 (UEAY) and 2043, cUL, CE (EMC Directive 89/366/EEC, EN55020, EN55013) approved. Included accessories: tile bridge, UL-listed 0.5-inch conduit clamp, paint shield and two wire nuts.
Large Product Image | A&E Specs | Tech Sheet | Installation Guide | GLL | EASE4.0 | EASE3.0 | CLF 1 | CLF 2
Frequency Response (-10 dB) 82 Hz – 22 kHz
Sensitivity 88 dB
Power Capacity RMS 64 W
Max SPL dB @ 1 M 106.0 dB
Nominal Impedance 16 ohm
Transformer Options 25 / 70.7 / 100 Volt
16 Ohm direct
Tweeter 1.0″ Silk
Woofer 6.5″ Treated fiber
Connections 4 position ceramic terminal strip
Visible Height 8.6 mm (0.34 in)
Visible Diameter 298.5 mm (11.75 in)
Backcan Height 95.3 mm (3.75 in.)
Backcan Diameter 245.6 mm (9.67 in)
Weight 3.2 kg (7.0 lbs.)
Shipping Weight 4.1 kg (9.0 lbs.)
Optional Accessories Color-coded (green) pre-construction bracket (AC-CMEZ6/8-PCB)
Junction box (AC-CM-EZ-JBOX)
Colors Black / White / Custom
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CM-EZ-II

8″ COAXIAL IN-CEILING SPEAKER

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. Included accessories: tile bridge, UL-listed flex conduit clamp, paint shield.
Large Product Image | A&E Specs | Tech Sheet | Installation Guide | Revit | DXF | DWG | PDF
Frequency Response (-10 dB) 54 Hz – 22 kHz
Sensitivity 87.5 dB
Power Capacity RMS 40 W
Max SPL dB @ 1 M 103.5 dB
Nominal Impedance 8 ohm
Transformer Options 25 / 70.7 / 100 Volt
8 Ohm direct
Tweeter 1″ Balanced-Dome
Woofer 8″ Polypropylene
Connections 4 position ceramic terminal strip
Visible Height 5.1 mm (0.20 in.)
Visible Diameter 273.1 mm (10.75 in.)
Backcan Height 190.5 mm (7.50 in.)
Backcan Diameter 231.8 mm (9.13 in.)
Weight 3.2 kg (7.0 lbs.)
Shipping Weight 3.6 kg (7.9 lbs.)
Optional Accessories Pre-construction bracket (AC-CM-EZ-PCB)
Junction box (AC-CM-EZ-JBOX)
Colors Black / White / Custom
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CM89-EZ

8″ Coax, in-ceiling, ported, High SPL

Now Shipping

One 8.0 inch (203 mm) Treated paper cone, treated cloth surround woofer and one 1.0 inch (25 mm) titanium dome tweeter with 75° waveguide. Easy-access six-position tap switch for 25/70.7/100-volt and transformer bypass settings allows for easy ordering, stocking and installation. 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. Incorporates a painted steel grille for lasting durability. 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 material thicknesses ranging from 0.035 inch (0.9 mm) to 1.6 inch (40.6 mm). UL 1480 and 2043 listed. Included accessories: Tile bridge, UL listed 0.5-inch conduit clamp, paint shield.
Large Product Image | Tech Sheet

Frequency Response (-10 dB) 91 Hz – 22 kHz
Sensitivity 93.0 dB
Power Capacity RMS 75 W
Max SPL dB @ 1 M 112.0 dB
Nominal Impedance 8 ohm
Transformer Options 25 / 70.7 / 100 Volt
8 Ohm direct
Tweeter 1″ Titanium
Woofer 8″ Treated fiber
Connections 4 position ceramic terminal connector
Visible Height 8.6 mm (0.34 in.)
Visible Diameter 266.7 mm (10.50 in.)
Backcan Height 203.2 mm (8.0 in.)
Backcan Diameter 245.6 mm (9.67 in.)
Weight 4.1 kg (9.0 lbs.)
Shipping Weight 4.5 kg (10.0 lbs.)
Certifications UL 1480; UL 2043
Optional Accessories Pre-construction bracket (AC-CMEZ6/8-PCB)
Colors Black / White / Custom