The SoundTube SM31-EZ is a premium full range 3 inch surface mount speaker, with overall dimensions smaller than a 4 inch sphere. The speaker incorporates a theft and corrosion resistant mounting mechanism with indexed swivel joint for complete hemispherical aiming. SM31-EZ speaker components have been weatherized for indoor and outdoor applications. The SM31-EZ is an 8 ohm speaker with an ultra-low profile ZeroReflection™ABS enclosure (4 inch diameter by 3.5 inch deep, including mounting plate). IP-Rating: IP64.
SoundTube SM31-EZ Features
- Premium full range 3 inch surface mount speaker
- Indexed swivel joint for complete hemispherical aiming
- Weatherized for indoor and outdoor applications
- Theft and corrosion resistant mounting mechanism
- 8 ohm speaker with an ultra-low profile ZeroReflection™ABS enclosure
- IP-Rating: IP64
- SM31-EZ 3" Full-Range Surface Mount Speaker1
- Manufacturer SoundTube
- Manufacturer's Category SM-EZ Economical Surface Mount
- Height 4.35 in / 110.5 mm
- Width/Diameter 4.35 in / 110.5 mm
- Shipping Weight 1.85 lbs / 0.84 kg
- Carton Height 6.25 in / 158.75 mm
- Carton Length 6.5 in / 165.1 mm
- Carton Width 6.25 in / 158.75 mm
- Certifications CE, RoHS, UL1480A
- Enclosure Properties ABS Glass Fiber Reinforced, Injection Molded, Sealed
- Enclosure Volume 60 cu in / 983.22 cu cm
- Source Inputs Terminal Strip
- Coverage Angle (±6dB @ 2kHz) 43°
- Directivity Factor (Q) (Averaged 100Hz - 10kHz, @ 2kHz) 4.9 and 7.1
- Directivity Index (DI) dB (Averaged 100Hz - 10kHz, @ 2kHz) 5.1dB and 8.5dB
- Frequency Response (± 10 dB) 120 Hz - 22 kHz
- Frequency Response (± 3 dB) 170 Hz - 14 kHz
- Grille Properties Aluminum, Powder-Coated
- Low Frequency Voice Coil 0.75 in / 19 mm
- Max. Continuous Power RMS 20W
- Max. Program Power 40 W
- Minimum Impedance (Ω Ohms) 8 Ω
- Mounting Depth 3.81 in / 96.8 mm
- Nominal Impedance (Ω Ohms) 8 Ω
- Fullrange Driver 3" Polypropylene driver with butyl rubber surround
- Sensitivity dB @ 1W/1M 85 dB
- Sensitivity dB @ 2.83V/1M 85 dB
- Transformer Options 25 / 70.7 / 100 V
