SoundTube CM31‑EZ 3-Inch In‑Ceiling Full‑Range Speaker - Black / Single Unit
SoundTube | SKU: SOUNT-CM31EZBK
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$13300
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Most orders placed before 10:00am PST will most likely ship out the same day. We work hard to process and ship your items quickly so you can start enjoying them as soon as possible.
Found a lower price? Contact us and we'll see if we can match it! Price match will only be applied to products sold and shipped by authorized retailers of the brand.
No restocking fee will be charged when you opt for store credit. Exclusions apply.
Condition: New
SoundTube CM31‑EZ 3-Inch In‑Ceiling Full‑Range Speaker
The SoundTube CM31‑EZ is a premium 3″ full‑range in‑ceiling speaker featuring a polypropylene cone with butyl rubber surround, housed in a shallow steel backcan and ABS baffle. Ideal for commercial paging, background music, or voice alarm systems, it supports both low‑impedance and multi‑tap transformer modes.
Available in single-unit Black (CM31‑EZ‑BK), single-unit White (CM31‑EZ‑WH), or White 3‑pack (CM31‑EZ‑WH MP), the CM31‑EZ offers consistent audio performance regardless of finish or pack size. Installation is fast with a tile bridge or optional pre‑construction bracket, and it’s built for indoor or outdoor-rated use.
Key Features
- Driver: 3″ high‑fidelity polypropylene with butyl rubber surround
- Power Handling: 20 W RMS continuous; 40 W program
- Sensitivity: 85 dB @ 1 W/1 m (also @ 2.83 V/1 m)
- Frequency Response (±3 dB): 190 Hz–14 kHz; (±10 dB): 135 Hz–22 kHz
- Impedance: Nominal 8 Ω; taps for 25 V, 70.7 V, 100 V or transformer bypass
- Installation: SpeedWing™ constant-tension blind-mount with tile bridge or optional pre‑construction bracket
- Grille: Corrosion‑resistant, powder‑coated aluminum; snap‑fit
- Coverage Angle: ~175° (±6 dB @ 2 kHz), ~45° @ 10 kHz; averaged 120° (2–10 kHz)
- IP Rating: IP54, weatherized for indoor/outdoor use
- Certifications: UL‑1480A, UL 2043, CE, RoHS; 5-year limited warranty
- Color Options: Black, White (single), White (3‑pack)
Technical Specifications
- Nominal Impedance: 8 Ω
- Sensitivity: 85 dB @ 1 W/1 m (2.83 V/1 m)
- Frequency Response ±3 dB: 190 Hz–14 kHz
- Frequency Response ±10 dB: 135 Hz–22 kHz
- Power Handling: 20 W RMS continuous; 40 W program
- Max SPL @ 1 m: 98 dB
- Coverage Angles: 175° @ 2 kHz; 45° @ 10 kHz; averaged 120° (2–10 kHz)
- Directivity Factor (Q): 4.5 (avg 100 Hz–10 kHz), 3.5 @ 2 kHz
- Directivity Index (DI): 5.3 dB (avg), 5.2 dB @ 2 kHz
- Backcan Diameter: 5.5″ (139.7 mm)
- Backcan Height: 3.5″ (88.9 mm)
- Visible Diameter: 6.3″ (160 mm)
- Visible Height: 0.6″ (15.2 mm)
- Weight (per unit): 3.1 lbs (1.4 kg)
- Shipping Weight (single): 3.7 lbs (1.68 kg)
- Included Accessories: Tile bridge, conduit clamp, paint mask, wire nuts
What’s Included
- One CM31‑EZ speaker (Black or White finish)
- Magnetic aluminum grille (matching finish)
- Tile bridge (or optional pre‑construction bracket)
- Conduit connector, paint mask, and wire nuts
