The SoundTube XT550 is a high-performance 2-way outdoor loudspeaker engineered for commercial, public, and residential outdoor spaces. Designed for background music, foreground audio, and paging, the XT550 delivers clear, full-range sound while withstanding harsh environmental conditions. Its rugged construction includes UV, scratch, and chlorine-resistant components, ensuring reliable performance in any outdoor environment.
The sealed in-ground enclosure provides deep bass down to 38 Hz (±10 dB) with optimal off-axis performance, making the XT550 ideal for large spaces. BroadBeam® waveguide technology ensures 360° horizontal coverage for consistent sound distribution and reduced system costs.
Installation is simple and flexible, with theft-resistant hardware, a weather-proof 5-position tap switch, transformer bypass option, and multiple wire inlets for daisy-chaining. The XT550 comes in granite green or sandstone to complement outdoor aesthetics.
SoundTube XT550 Key Features
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Patented BroadBeam® waveguide for 360° horizontal coverage
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5.25” polypropylene woofer with butyl rubber surround + 1” dome tweeter
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Weather-resistant construction (UV, scratch, chlorine)
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ZeroReflection™ enclosure with optional port vent for enhanced bass
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Weather-proof 5-position tap switch for 25/70.7/100V applications
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Transformer bypass position and 32W transformer included
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Liquid-tight compression fittings for water protection
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Stainless steel fasteners and powder-coated grille
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UL 1480A approved
Perfect for landscapes, parks, commercial properties, and public areas, the XT550 combines durable construction, high-performance sound, and aesthetic appeal for long-lasting outdoor audio systems.
SoundTube XT550 Specifications
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Height
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15.51 in / 394 mm
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Width/Diameter
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14.1 in / 358.1 mm
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Shipping Weight
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18.35 lbs / 8.32 kg
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Carton Height
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17.5 in / 444.5 mm
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Carton Length
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16.25 in / 412.75 mm
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Carton Width
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16.25 in / 412.75 mm
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Certifications
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CE, IP55, RoHS, UL1480A
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Included Accessories
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Anti-Theft Bracket, Weatherproof Strain Relief, Wire Nuts
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Optional Accessories
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Anti-Theft Bracket (ATD-XT)|Grille (GRL-XT5)|Tap Switch Cover (CVR-XT-TAPSW)|Port Plug (PP-XT550)
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Source Inputs
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#18 AWG Wire Leads
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Crossover Frequency
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3.0 kHz
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Frequency Response (± 10 dB)
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49 Hz - 22 kHz port open (62 Hz - 22 kHz port closed)
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Frequency Response (± 3 dB)
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61 Hz - 9.5 kHz port open (101 Hz - 12 kHz port closed)
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Grille Properties
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Painted, Steel
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Low Pass Crossover
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6 dB per octave 1st order
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Magnetically Boosted
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No
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Max. Continuous Power RMS
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60 Watts
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Max. Program Power
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120 W
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Minimum Impedance (Ω Ohms)
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4 Ω
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Network Type: High Pass
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6 dB per octave 1st order
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Nominal Impedance (Ω Ohms)
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4 Ω
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Tweeter Driver
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1" Aluminum Dome
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Woofer Driver
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5.25" Polypropylene
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Sensitivity dB @ 1W/1M
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83 dB
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Sensitivity dB @ 2.83V/1M
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86 dB
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Transformer Options
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25 / 70.7 / 100 V, 4 Ohm direct
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Transformer Taps (25V/70.0V/100V)
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4W/32W/32W
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