Specs:

SoundTube SM31-EZ-BK | Black 3 Inch Surface Mount Speaker, Each


• Nominal Impedance: 8 ohm
  
• Impedance (min): 8.0 ohm
  
• Sensitivity dB @ 2.83V/1M: 85.0dB
  
• Sensitivity dB @ 1W/1M (2): 85.0dB
  
• Frequency Response (± 3 dB): 170Hz-14kHz
  
• Frequency Response (±10 dB): 120 Hz - 22 kHz
  
• Max. Program Power: 40w
  
• Max. Continuous Power RMS: 20w
  
• Max. Power SPL @ 1 M: 98.0dB
  
• Tap Selector: 5-Position rotary switch (-T model)
  
• 70.7 Volt Transformer Taps: 10w / 95.0dB
  
• 100 Volt Transformer Taps (dB): 10w / 95.0dB
  
• 25 Volt Transformer Taps (dB): 1.3w / 86.0dB
  
• Transducer - Full-Range Driver: 3" Polypropylene Driver with Butyl Rubber Surround
  
• Coverage Angle (-6 dB @ 2 kHz) raw: 70
  
• Angle: 70
  
• Inputs: Screw terminal strip
  
• Height (SM = Height): 110.5 mm / 4.35 in
  
• Diameter (SM = Width): 110.5 mm / 4.35 in
  
• SM Depth (Including Bracket): 96.8 mm / 3.81 in
  
• Weight: 0.6 kg / 1.4 lbs
  
• Shipping Weight: 0.9 kg / 2 lbs
  
• Accessories Optional: Transformer (AC-SM31-XFMR), Mounting Plate (AC-SM31-MP)
  
• Packaging: 1 per box
  
• Regulatory - UL: approved_1480_ueay
  
• Regulatory - CE: approved
  
• Regulatory - RoHS: approved
  
• Regulatory - CCC: approved
  

Features:

• Two models are available, the SM31-EZ and the SM31-EZ-T. The latter includes a 10-watt transformer.
  
• One 3 inch (76.1 mm) polypropylene driver with butyl rubber surround
  
• Weatherized components for indoor/outdoor applications.
  
• Theft- and corrosion-resistant mounting mechanism with an indexed swivel-joint for precision aiming in any direction.
  
• Ultra-low profile ZeroReflection™ ABS enclosure (4 inch diameter by 3.5 inch deep, including mounting plate).
  
• Five position selectable tap switch (SM31- EZ-T only)
  
• Corrosion-resistant, powder-coated aluminum grille.
  
• UL 1480 (UEAY) approved.
  
• High quality black paint finish.
  
• Optional accessories: the SM31-EZ-T includes a 10-watt transformer (AC-
  31-XFMR) that incorporates a 5 position tap switch and a wall plate for installation in a single-gang deep junction box. This transformer kit is also available as an optional accessory.
  

Overview:

One 3 inch (76.1 mm) polypropylene driver with butyl rubber surround. Weatherized components for indoor/outdoor applications. Theft- and corrosion-resistant mounting mechanism with an indexed swivel-joint for precision aiming in any direction. Ultra-low profile ZeroReflection™ ABS enclosure (4 inch diameter by 3.5 inch deep, including mounting plate). Corrosion-resistant, powder-coated aluminum grille. UL 1480 (UEAY) approved.

Review: