Mythos® 3C-85 On-Wall Passive Sound Bar
Superior Sound, Streamlined Style
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.
On-wall, adjustable-width, three-channel passive sound bar for 85” and larger-class TVs
Audiophile
Appeal
Premium Definitive Technology acoustics in a designer-
inspired, adjustable-width enclosure.
Designer
Style
Sleek, low-profile designer cabinet adjusts to match
television dimensions.
Ideal for
Outdoor Use
Weather-resistant, IP66-rated construction ensures reliable
performance, indoors and in covered outdoor environments.
Sleek and Streamlined
Big, Wide Sound
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.
![](https://www.definitivetechnology.com/-/media/images/dt_nd_ecom/pdp/mythos-3c-85/mythos-3c-85_full-banner.jpg)
Thirteen-Speaker Array
for powerful, accurate sound
A three-way, 13-driver system comprises two XTDD 3.5” mid/bass drivers and one 1” aluminum oxide tweeter for each left/right channel. The center channel features two XTDD 3.5” mid/bass, four XTDD woofers, and a 1” aluminum oxide tweeter. Together they project robust, full-range sound over a wide area.
![](https://www.definitivetechnology.com/-/media/images/dt_nd_ecom/pdp/mythos-3c-65/mythos-3c_xtdd-drivers.jpg)
![](https://www.definitivetechnology.com/en-us/product/onwall/mythos-3c85)
XTDD Drivers
for spacious, dynamic sound in every seat
Ultra-stiff anodized aluminum dome woofers and midrange drivers eliminate break-up and broaden dispersion for crisp, clear sound and a spacious, enveloping soundstage.
![](https://www.definitivetechnology.com/-/media/images/dt_nd_ecom/pdp/mythos-3c-85/mythos-3c-85_slim-profile.jpg)
Slim Profile and Adjustable Width
for a streamlined appearance
The 3C-85’s ultra-slim, wall-mount cabinet measures less than 2” deep; symmetrically adjustable extensions expand up to 6.75” to perfectly align with the dimensions of 85-inch and larger-class television displays, for a cohesive look.
![](https://www.definitivetechnology.com/-/media/images/dt_nd_ecom/pdp/mythos-3c-85/mythos-3c-85_acoustically-optimized-cabinet.jpg)
Acoustically Optimized Cabinet
for pristine sonic reproduction
A highly rigid, tuned aircraft-grade aluminum enclosure houses a 13-speaker array with each channel in its own acoustic chamber. You’ll experience the truest sound, uncolored by cabinet resonances.
![](https://www.definitivetechnology.com/-/media/images/dt_nd_ecom/pdp/mythos-3c-85/mythos-3c-85_luxury-finishes.jpg)
Luxury Finishes and Sharp Styling
for elevating any living space
With clean, modern aesthetics; refined anodized aluminum finishes; and VESA mount compatibility (VESA and wall-mount brackets included); this sleek, wall-mount sound bar presents a streamlined appearance under your TV.
![](https://www.definitivetechnology.com/-/media/images/dt_nd_ecom/pdp/mythos-3c-85/mythos-3c-85_weatherproof.jpg)
IP66-Rated Protection
for security in the elements
IP66-rated protection against dust and high-pressure water streams means you can enjoy stunning home theater sound indoors and in covered outdoor areas.
![](https://www.definitivetechnology.com/-/media/images/dt_nd_ecom/pdp/mythos-3c-75/mythos-3c-75_timbre-matching.jpg)
Timbre-Matching
for uniform voicing in any configuration
Consistent sound across Definitive Technology models gives you the flexibility to mix and match speakers to build the ultimate system or a starter system that can expand as your needs grow.
Total System Scalability
for elevating any home cinema
Take a minimalist approach with a simple, all-in-one on-wall system or build the ultimate home theater.
![](https://www.definitivetechnology.com/-/media/images/dt_nd_ecom/pdp/mythos-3c-65/mythos-3c-65_all-in-one-sound-bar.jpg)
![](https://www.definitivetechnology.com/en-us/product/onwall/mythos-3c85)
All-In-One Sound Bar
Big sound in an ultra-slim cabinet
Use a Mythos 3C-85 on its own or with a Descend subwoofer for larger-than-life sound in a low-profile, all-in-one system.
![](https://www.definitivetechnology.com/-/media/images/dt_nd_ecom/pdp/mythos-3c-65/mythos-3c-65_convenient-mounting-options.jpg)
Convenient Mounting Options
Mythos three-channel passive sound bars are wall-mountable or compatible with VESA mounts, allowing them to easily attach directly to either a wall or TV for a sleek, cohesive look.
ON-WALL SOUNDBARS
Dimensions (H x D) | 6.25 x 1.87 in. (159 x 48 mm) |
Adjustable Width (W) | 72.8 ~ 79.5 in. (1849 ~ 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 | 25-150W per channel |
IP Rating (Ingress Protection) | IP66 |
Warranty | 5 year |
Included Accessories | (2) VESA-mount brackets and spacers (1) Wall-mount bracket |
Product Documentation
Information Sheet