Soundtube XT850-SS

The Soundtube XT850-SS is a rugged, tough outdoor speaker designed for gardens, parks and other landscaped areas.

Whilst the XT-850-SS is a sandstone colour, it is also available in Granote Green - see XT850-G in related products.

The XT 850 is submerged underground to be as discreet as possible and the music and paging sound is dispersed over a 360º area for cost effective broadcasting over large areas. Rated at 100 watts, 4 ohms or 64 watts RMS on a 100 volt line sound system.

Totally weatherproof.

  • UV-, scratch- and weather-resistant with professional-grade components for long-lasting performance and durability.
  • Patented BroadBeam waveguide technology provides smooth 360° horizontal off-axis coverage and reduces overall system costs.
  • One 203 mm (8.0 in) weatherproof polypropylene woofer with butyl rubber surround and one 25 mm (1.0 in) aluminum dome tweeter with integrated horn & mounting bracket.
  • Weather-proof 5-position tap switch for 25/70.7/100 Volt applications with voice coil direct (4 Ohm) position. 64 Watt transformer included.
  • Patented, durable and sealed Zero-Reflection enclosure.
  • Liquid-tight compression fittings for water-tight protection.
  • Multiple wire inlet locations for fast and easy daisy chaining.
  • Stainless steel fasteners & grille.
  • UL1480A certified for wet outdoor use.
100V IPxx 4ohms
List Ex VAT: £596.67
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Frequency Response (-3 dB)

51 Hz - 910 kHz port open 

Low Frequency (-10 dB)

38 Hz - 22 kHz port open


85 dB

Power Capacity RMS

100 W

Max SPL dB @ 1 M

105 dB

Nominal Impedance

4 ohms


1" / 25 mm Convex Aluminium 


8 in /  203 mm Poly


18-Gauge wire lead


417.1 mm (16.42 in)


359.9 mm (14.17 in)


7.6 kG (16.7 lbs)



Related Products

Soundtube XT550

In-ground music and public address speaker. Green. 5.25", 60 watts @ 4 ohm, 32 watts 100 volt line.

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List Ex VAT: £428.89
Soundtube XT850-GN

In-ground garden speaker. 8". 100 watts @ 4 ohm / 64 watts 100 volt line. Granite Green.
UL1480A certified for wet outdoor use.

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List Ex VAT: £548.89