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SoundTube SM500i-II-WX


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Product Overview

SM-WX Series – 5.25” Coaxial Surface Mount Speaker with WeatherX Technology

SoundTube’s WX Weather Guard technology utilises a dual layer of hydrophobic material inside the speaker grille to keep water from the drivers and internal electronics dry in even the most extreme weather conditions. An upgrade to the SM speaker products, the WX material greatly reduces water penetration through grille openings without compromising sound quality and performance. All speakers with WX technology are built using non-corrosive materials (stainless steel or aluminium) for all exposed metal components, including grills, screws, and mounting systems. IP44 rating approved.

Available in black or white.


Designed for severe weather, outdoor background to mid-level SPL surface-mount applications, the SM500i-II-WX utilises SoundTube’s WeatherX Technology for lasting performance in the harshest conditions.

System includes the new Stealth™ bracket mounting system, allowing for an increased aiming angle. The system includes a detachable mounting plate designed for pre-mounting in either wall or pole applications. The full frequency dispersion pattern and high sensitivity make the SM500i-II-WX surface-mount speaker ideal for music and paging in retail, amusement, restaurant, airports, hotels, schools and casinos. For applications where additional bass is required, SoundTube’s RS1001i-II-T and SM1001p subwoofers provide bass down to 41 Hz (-10 dB).


  • BroadBeam® waveguide technology delivers a consistent dispersion pattern up to 10 kHz for maximum coverage area per speaker
  • One 5.25 inch (133 mm) polypropylene woofer and one 1.0 inch (25 mm) convex titanium tweeter with FerroFluid™ cooling
  • 86.0 dB average sensitivity offers high output capabilities and reduced amplification costs
  • Includes stainless steel screws and grille for severe weather, outdoor applications
  • Easy access, six-position selectable tap switch for 25-, 70.7- and 100-volt applications with transformer bypass position
  • Patented ZeroReflection™ enclosure technology for optimal sound reproduction and cabinet rigidity
  • Aluminium grille with powder-coat finish
  • Includes the new SM500i-II-WX Stealth™ bracket mounting system
  • Vertical and horizontal pivoting allow the SM500i-II-WX to be aimed anywhere within the installation space
  • Low profile enclosure design keeps the speaker close to the wall
  • UL 1480 (UEAY) planned
  • High-quality black or white paint finish
  • Included Accessories: Safety cable with speaker mounting bolt, Euroblock connector, wall mount bracket and terminal weather boot


  • Frequency Response (-3 dB): 86 Hz – 22 kHz
  • Low Frequency(-10 dB): 60 Hz – 22 kHz
  • Sensitivity: 86.0 dB
  • Power Capacity RMS: 75 W
  • Max SPL dB @ 1 M: 102 dB
  • Nominal Impedance: 4 ohm
  • Transformer Options: 25 / 70.7 / 100 Volt option with a 4 Ohm direct
  • Tweeter: 1in/25mm Convex Aluminum w/ BroadBeam® Waveguide
  • Woofer: 5.25 in / 130 mm Poly
  • Connections: 4-pin Euroblock
  • Height: 289.56 mm (11.40 in)
  • Width: 212.26 mm (8.36 in)
  • Depth: 266.30 mm (10.48 in)
  • Weight: 4.3 kg (9.5 lbs)
  • Shipping Weight: 5.0 kg (11 lbs)
  • Regulatory- IP: IP44 approved
  • Colours: Black / White

Product Downloads

  • SM500i-II-WX Data Sheet PDF 0.4 MB
  • SM500i-II-WX User Manual PDF 0.9 MB


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*Prices are in AUD, include GST and are subject to change. Please call National Audio for pricing and availability on the SM500i-II-WX.