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Definitive Technology Mythos 3C-85 On-Wall Passive Sound Bar for 85 Inch TVs

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  • $ 2,399

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The Mythos 3C-85 ultra-slim, on-wall passive sound bar for 85” and larger-class TVs elevates your home theater experience with premium sound and designer aesthetics in an adjustable-width, weather-protected enclosure.

The Mythos 3C-85 three-channel passive sound bar elevates home theater experiences indoors and in covered outdoor areas. Combining the three front channels of a home theater system in a single cabinet, this ultra-slim, on-wall, three-way speaker blends high-performance sound and designer aesthetics in a weather-protected, adjustable-width rigid aluminum enclosure.


  • Thirteen-Speaker Array for powerful, accurate sound
  • XTDD Drivers for spacious, dynamic sound in every seat
  • Slim Profile and Adjustable Width for a streamlined appearance
  • Acoustically Optimized Cabinet for pristine sonic reproduction
  • Luxury Finishes and Sharp Styling for elevating any living space
  • IP66-Rated Protection for security in the elements
  • Timbre-Matching for uniform voicing in any configuration
  • Total System Scalability for elevating any home cinema
  • All-In-One Sound Bar Big sound in an ultra-slim cabinet


  • Dimensions (H x D): 6.25 x 1.87 in. (159 x 48 mm)
  • Adjustable Width: (W)72.8 x 79.5 in. (1849 x 2019 mm)
  • Symmetrically Adjustable Extensions: 6.25 in. (159 mm)
  • Weight: 22 lbs (10.1 kg)
  • Color/Material: Black anodized aluminum
  • Grille Material: Micro-perforated powder-coated steel
  • Tweeter: (3) 1 in. aluminum oxide dome
  • Midrange: (2) 3.5 in. XTDD aluminum dome
  • Woofer: (8) 3.5 in. XTDD aluminum dome
  • Number of Channels: 3 (left, center, right)
  • Frequency Response: 100 Hz–25 kHz (-10dB) | 120 Hz–20 kHz (-3dB)
  • Nominal Impedance: 4Ω (8Ω compatible)
  • Sensitivity: 88dB (2.83V/1m)
  • Recommended Amplifier Power: 80W
  • IP Rating (Ingress Protection): IP66
  • Warranty: 5 year
  • Included Accessories: (2) VESA-mount brackets and spacers | (1) Wall-mount bracket

WARNING: California Residents - Proposition 65. This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to



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