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Description
SoundTube CM31-EZ-WH-MP 8 In Ceiling Speaker (White) - 3"The CM31 EZ is a premium full range 3" in ceiling speaker for applications requiring 8 ? or distributed audio solutions. The CM31 EZ incorporates 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
The CM31-EZ is a premium full-range 3" in-ceiling speaker for applications requiring 8 ? or distributed audio solutions. The CM31-EZ incorporates 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 SpeedWingª mounting system. The CM31-EZ incorporates weatherized components for indoor and outdoor applications.
Features
- One 3" (76.2 mm) full-range high-extrusion, highf idelity polypropylene driver with butyl rubber surround
- Weatherized components for indoor/outdoor applications
- Shallow 3.5" (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" (160.6 mm) diameter
- Rapid installation, blind-mount, fixed-wing mounting mechanism with constant tension design affixing to wall thicknesses ranging from 0.1" (2.5 mm) to 1.5" (38.1 mm)
- Corrosion-resistant, powder-coated aluminum grille with snap fit attachment
- UL1480A and 2043 approved
- High-quality black or white paint finish
- Included accessories: tile bridge, conduit connector, paint mask, and wire nuts
- Optional accessories: pre-construction bracket (AC-CM3-PCB)
Specifications
| Color | White |
| UPC | 752830439986 |
| Manufacturer | SoundTube |
| Manufacturer's Category | CM-EZ Economical In-Ceiling |
| Shipping Weight | 31.0 lbs |
| Carton Height | 17.5 inch |
| Carton Length | 16.5 inch |
| Carton Width | 15.25 inch |
| Certifications | CE, RoHS, UL1480A, UL2043 |
| Enclosure Properties | ABS Glass Fiber Reinforced, Injection Molded, Sealed |
| Enclosure Volume | 60 cu in / 983.22 cu cm |
| Included Accessories | Conduit Clamp, Grille, Paint Mask, Wire Nuts, Choose Between a Tile Bridge or Pre-Construction Bracket |
| Optional Accessories | Black Grille (GRL-CM31-BK)|Tile Bridge (AC-CM31-TB)|Pre-Construction Bracket (AC-CM31-PCB)|Junction Box (Included with pre-construction bracket) |
| Source Inputs | Wire Leads |
| IP Rating | IP54 |
| Backcan Diameter | 5.5 in / 139.7 mm |
| Backcan Height | 3.5 in / 88.9 mm |
| Coverage Angle (±6dB @ 2kHz) | 45¡ |
| Cutout Width/Diameter | 5.5 in / 139.7 mm |
| Directivity Factor (Q) (Averaged 100Hz - 10kHz, @ 2kHz) | 4.5 and 3.5 |
| Directivity Index (DI) dB (Averaged 100Hz - 10kHz, @ 2kHz) | 5.3dB and 5.2dB |
| Frequency Response (± 10 dB) | 115 Hz - 22 kHz |
| Frequency Response (± 3 dB) | 190 Hz - 14 kHz |
| Grille Properties | Aluminum, Black, Standard-Flange, Powder-Coated, Snap-Fit |
| Low Frequency Voice Coil | 0.75 in / 19 mm |
| Max. Ceiling Thickness | 1.5 in / 38.1 mm |
| Max. Continuous Power RMS | 20W |
| Max. Program Power | 40 W |
| Minimum Impedance (½ Ohms) | 8 ½ |
| Minimum Ceiling Thickness | 0.1 in / 2.5 mm |
| Nominal Impedance (½ Ohms) | 8 ½ |
| Fullrange Driver | 3" Polypropylene driver with butyl rubber surround |
| Sensitivity dB @ 1W/1M | 85 dB |
| Sensitivity dB @ 2.83V/1M | 85 dB |
| Tap Selector | Rotary Switch |
| Transformer Options | 25 / 70.7 / 100 V, 8 Ohm direct |
| Transformer Taps Max. Setting (25V/70.7V/100V) | 1.3W/10W/30W |
| Visible Diameter | 6.3 in / 160 mm |
| Visible Height | 0.6 in / 15.2 mm |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 5
Third party tested!
It's important to know it's 3rd party tested!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 8, 2026
★★★★★ 5
fast service
product as described fast service
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 19, 2026
★★★★★ 5
This brand has been good for me overall but.....
I do find it harder to swallow a capsule, than a large pill. I agree that is odd but it is happening to me. So I went with the larger pill. The capsules tend to stick to my throat even when drinking water first.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 5, 2025
★★★★★ 5
Pampers Always!
Size: Size 4, Unit Count: 92
Pampers has been the choice for all three of my babies over the years. So very rarely leak and super comfy! May be a bit more pricey but WORTH IT. These are not as nice of quality as pampers swaddlers but still great and cheaper.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 11, 2026
★★★★★ 5
Pampers Baby Dry = Diaper Royalty
Size: Size 4, Unit Count: 186
Okay, let’s just I was loyal to Luvs for a long time. We had a good run, but after a few too many “why does it smell like that?” moments, I decided it was time for a diaper glow-up. These diapers understood the assignment.
The fit? Perfect. Snug without being tight, soft without feeling flimsy. My baby moves like i'm constantly wrestling a gator and not once has this diaper let me down. No leaks, no overnight disasters, no random damp pajamas that make you question your life choices at 2 a.m.
Pampers said “let’s make a diaper that can handle a whole night of baby chaos.” Mission accomplished.
And the smell? Or should I say, lack of smell. Pampers somehow manages to keep things fresh. This was my biggest ick using Luvs.
Honestly, the switch from Luvs felt like trading in my old car for a luxury SUV. Still gets the job done, but now with comfort, style, and zero mess. (and affordable!!!)
If you’re tired of surprise leaks, mystery odors, or mid-night outfit changes, this is your sign: Pampers Baby Dry is the one. 💚
Would I recommend? Absolutely. Would I ever go back? Not a chance.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 20, 2025
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