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Sonance is pleased to introduce a completely redesigned Mariner line of outdoor loudspeakers. Improving every aspect of the all-weather loudspeaker, the new Mariner line offers best-in-class performance in a sleek contemporary cabinet. The award winning FastMount® bracket system has been updated to match the new aesthetic of the Mariner loudspeaker to ensure the ease of installation you have come to expect from the Mariner line of speakers.

  • Features
  • Specs


 • Completely redesigned woofer, tweeter and crossover with the same materials and technology as our award-winning Visual Performance line

 • A 250% increase in woofer excursion allows for significantly decreased distortion at high volumes

• .293” inches (7.44mm) increase in the diameter of the voice coils for increased output and vented pole pieces to decrease heat at voice coils

• Tweeters are chambered allowing for a lower crossover frequency, cooler operation and higher power handling

• Mariner 54 is available in a single stereo model (Mariner 54 SST) Aesthetics

• New Black and White color for vastly improved color options

• Paintable cabinets with a clean, minimalistic design Installation

• The award-winning Mariner outdoor speakers feature IP66 rating allowing for this loudspeaker to be used in the most challenging outdoor environments

• Precision FastMount® mounting bracket simplifies installation, provides up to 180 degrees of pivot and securely locks the speaker into place

• Grille fit has been precision engineered for ease of installation while maintaining grille retention

• Innovative front-mounted wire terminal connections protect against corrosion for a long service life


• Water impermeable drivers and sealed polypropylene enclosure ensure consistent, trouble-free performance

1" (25mm) cloth dome, Ferrofluid cooled, in acoustic back chamber
5.25" (130mm) textured polypropylene cone with a Santoprene surround
Frequency Response
65Hz - 20kHz ±3dB
8 ohms nominal; 6 ohms minimum
Power Handling
5 watts minimum; 60 watts maximum
87dB SPL (2.83V/1 meter)
Conforms to Mil Spec 810 for humidity, salt spray, temperature and UV, IP-66 waterproof rating
Environment Temp
-13º - 149ºF (-25ºC - 65ºC)
Dimensions (WxHxD)
6.36" x 10.08 x 5.68" (162mm x 256mm x 144mm)
Perforated aluminum
Shipping Weight
12 lbs. (5.5kg) pair