Great for applications requiring high-quality sound in limited plenum spaces, the black SoundTube Entertainment CM31-EZ is a high-fidelity in-ceiling speaker that includes a tile bridge and mounting hardware.
SoundTube Entertainment CM31-EZ In-Ceiling Speaker (Black)
The black CM31-EZ In-Ceiling Speaker from SoundTube Entertainment is a 3" speaker for distributed audio applications. The CM31-EZ incorporates a low profile grille with a total visible footprint of 6.3" diameter and an integrated backcan and driver design for ultra compact in-ceiling installations. The in-ceiling speaker includes a six-position tap switch with a transformer bypass position. A tile bridge and mounting hardware are included and feature a fast and secure constant tension Speed Wing mounting system. The CM31-EZ Speaker incorporates weatherized components for indoor/outdoor applications.
Engineered for rapid installation and low profile mounting for smaller venues, this speaker is suitable for retail, restaurants, conference rooms, educational facilities, or any setting where full-range intelligibility, low profile design, and in-ceiling installation ease are paramount.
One 3" (76.2mm) full-range high extrusion, high-fidelity polypropylene driver with butyl rubber surround
Weatherized components for indoor/outdoor applications
Shallow 3.5" deep all-steel backcan with integrated driver and baffle configuration
Ultra-compact design with a total visible footprint of less than 6.3" diameter
Rapid installation, blind-mount, fixed wing mounting mechanism with constant tension design affixing to wall thicknesses ranging from 0.1" to 1.5"
Corrosion-resistant, powder-coated aluminum grille with snap fit attachment
UL 1480 (UEAY) and 2043 approved
SoundTube Entertainment Tile Bridge for CM31 Speaker
This SoundTube Entertainment Tile Bridge for CM31 Speaker is a match for the tile bridge that originally shipped with your CM31 speaker.
SoundTube Entertainment CM31-EZ Specs
| System Type | 3" full-range, in-ceiling (10 W transformer for 25 / 70.7 / 100 V or transformer bypass position) |
| Impedance | Nominal: 8 |
| Sensitivity | 85.0 dB (dB @ 2.83 V/1 m) 85.0 dB (dB @ 1 W/1 m) at nominal impedance |
| Frequency Response | 218 Hz - 14 kHz (-3 dB) 135 Hz - 22 kHz (-10 dB) |
| Power | Maximum Program: 40 W at 3 dB above maximum continuous power Maximum Continuous RMS: 20 W Maximum SPL:@ 1 m 98.0 dB |
| Coverage Angle | 175° (-6 dB @ 2 kHz) 45° (-6 dB @ 10 kHz) 120° (averaged from 2 to 10 kHz) |
| Directivity | Factor: 4.5 (averaged 100 Hz - 10 kHz), 3.5 (2 kHz) (Q) Index (DI) dB: 5.3 (averaged 100 Hz - 10 kHz), 5.2 (2 kHz) |
| Tap Selector | 6-position rotary switch or transformer bypass position (transformer accessory only) |
| Transducer | Full-Range Driver: 3.0" (76.1 mm) Polypropylene driver with butyl rubber surround |
| Frequency | Low Voice Coil: 0.75" (19.0 mm) |
| Enclosure Material | ABS baffle, steel backcan |
| Grille | Corrosion-resistant, powder-coated aluminum |
| Color | Black |
| Input | Hardwire lead |
| Dimensions | Backcan Diameter: 5.5" (139.7 mm) Backcan Height: 3.5" (88.9 mm) Visible Height: 0.6" (15.2 mm) Visible Diameter: 6.3" (160.6 mm) |
| Weight | 3.1 lb (1.4 kg) |
Packaging Info
| Package Weight | 4 lb |
| Box Dimensions (LxWxH) | 9 x 8 x 8" |
In the Box
- Tile Bridge
- Conduit Connector
- Paint Mask
- Wire Nuts
- 5-Year Manufacturer Warranty
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