Soundtube SM500i mkII

Soundtube SM500i mkiI 5.25″ coaxial wide dispersion surface mount loudspeaker designed for both low impedance and high impedance (100 volt line or 70.7 volt line) public address sound systems.

The smart design cabinet is constructed from glass reinforced ABS and is weather resistant making it ideal for use indoors or outdoors.

The versatile mounting bracket with integral safety cable is included for an easy and flexible installation.

  • 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 weatherized components for indoor and outdoor applications (SM500i-II-WX available for severe weather installations).
  • Easy access, six-position selectable tap switch for 25-, 70.7- and 100-volt applications with transformer bypass position.
  • PatentedZeroReflection™ enclosure technology for optimal sound reproduction and cabinet rigidity.
  • Aluminum grille with powder-coat finish
  • Includes the new SM500i-II Stealth™ bracket mounting system.
  • Vertical and horizontal pivoting allow the SM500i-IIto be aimed anywhere within the installation space.
  • Low profile enclosure design keeps the speaker close to the wall.
  • UL1480 (UEAY) planned.
  • High-quality black or white paint finish.
  • Included Accessories: Safety cable with speaker mounting bolt,Euroblock connector, wallmount bracket and terminal weather boot.
100V IPxx 4ohms
List Ex VAT: £292.22
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Frequency Response (-3 dB)

86 Hz - 22 kHz

Low Frequency (-10 dB)

60 Hz - 22 kHz


86.0 dB

Power Capacity RMS

75 W

Max SPL dB @ 1 M

102 dB

Nominal Impedance

4 ohm


1" / 25 mm Convex Aluminum w/ BroadBeam® Waveguide


5.25 in / 130 mm Poly


4-pin Euroblock


289.56 mm (11.40 in)


212.26 mm (8.36 in)


266.30 mm (10.48 in)


4.3 kg (9.5 lbs)


Black or White