SoundTube RF31-EZ-T Ceiling Speaker with added Transformer in White

The RF31-EZ-T is a premium full-range 3 inch speaker with a 10 watt transformer for applications requiring 25, 70, and 100 volt audio solutions. 


The RF31-EZ-T mounts in most dual-gang junction boxes. The RF31- EZ-T incorporates a low-profile grille with a total visible footprint of 4.75-inch square for ultra-compact installations. All exposed components in the RF31-EZ-T are completely weatherized for indoor and outdoor applications.

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    Manufacturer’s Suggested Retail Price 
    Manufacturer’s CategoryRF Raw Frame Series
    Height4.75 in / 120.7 mm
    Width/Diameter4.75 in / 120.7 mm
    Shipping Weight1.05 lbs / 0.48 kg
    Carton Height7 in / 177.8 mm
    Carton Length6.75 in / 171.45 mm
    Carton Width6.5 in / 165.1 mm
    CertificationsCE, RoHS, UL1480A
    Enclosure PropertiesABS
    Included AccessoriesGrille, Paint Mask
    Optional AccessoriesBlack Grille (GRL-RF31-WH)|Theft-Resistant Grille (AC-RF31-TRG)
    Source InputsTerminal Strip
    Coverage Angle (-6dB @ 2kHz)50°
    Cutout Width/Diameter4 in / 101.6 mm
    Directivity Factor (Q) (Averaged 100Hz – 10kHz, @ 2kHz)4.3 and 2.4
    Directivity Index (DI) dB (Averaged 100Hz – 10kHz, @ 2kHz)5.4dB and 3.8dB
    Frequency Response (± 10 dB)82 Hz – 22 kHz
    Frequency Response (± 3 dB)170 Hz – 14 kHz
    Grille PropertiesAluminum, Standard-Flange, White, Paintable, Snap-Fit
    Low Frequency Voice Coil0.75 in / 19 mm
    Magnetically BoostedNo
    Max. Continuous Power RMS10W
    Max. Program Power20 W
    Minimum Impedance (Ω Ohms)8 Ω
    Mounting Depth2.11 in / 53.6 mm
    Nominal Impedance (Ω Ohms)8 Ω
    Sensitivity dB @ 1W/1M85 dB
    Sensitivity dB @ 2.83V/1M85 dB
    Tap SelectorTerminal Block
    Transformer Options25 / 70.7 / 100 V
    Visible Diameter4.75 in / 120.7 mm
    Visible Height4.75 in / 120.7 mm