Definitive Technology
Definitive Technology Mythos 3C-65 Indoor/Outdoor 3 Channel Passive Soundbar
Best versatile soundbar for seamless indoor and outdoor home theater setups.
Experience premium audio with this versatile soundbar, designed to complement 65-inch class televisions. Its sleek, ultra-slim profile, less than 2 inches deep, features an adjustable width for a perfect fit with your display. The soundbar delivers rich, expansive sound through a three-way, 13-driver array, including high-fidelity XTDD drivers and dome tweeters. Built for reliable performance, its IP66 weather-resistant construction ensures it can be used both indoors and in covered outdoor environments, providing exceptional acoustics wherever you choose to place it.
$1499.00
Owner Satisfaction
4.5
/ 5
Category Rank
4919
/ 11827
#4919 in Speakers
Price vs Category Average
-14%
Below average
Power Output
150.0
/ watts per channel
Who it's for
- Audiophiles seeking high-fidelity sound in a compact form factor
- Minimalists wanting a clean, clutter-free home theater aesthetic
- Homeowners looking for premium audio in covered outdoor spaces
Who should skip it
- Budget-conscious buyers looking for entry-level soundbar pricing
- Shoppers wanting a simple, all-in-one plug-and-play solution
- Users avoiding the hassle of running multiple speaker wires
Performance breakdown
Acoustic Precision
Thirteen drivers deliver a remarkably expansive and detailed soundstage.
Build Durability
Aircraft-grade aluminum and IP66 weatherproofing ensure long-term outdoor reliability.
Aesthetic Integration
Adjustable width creates a seamless, custom-fit look for 65-inch displays.
Profile Slimness
Ultra-thin design maintains a low profile without sacrificing audio depth.
System Versatility
Timbre-matching makes it an ideal center piece for complex home theaters.
Installation Flexibility
VESA compatibility simplifies mounting directly to your existing television setup.
Key Specs
Power Output
150.0 watts per channel
Frequency Response
100 Hz–25 kHz (-10dB)
Nominal Impedance
4Ω (8Ω compatible)
IP Rating
IP66
Weight
17 lbs
Driver Size
3.5 inches
Enclosure Material
Metal
Speaker Type
Soundbar
Know before you buy
Yes, the Mythos 3C-65 features an adjustable width that ranges from 56.5 to 60 inches, allowing you to align it precisely with the dimensions of your 65-inch television.
Yes, the unit carries an IP66 weather-resistant rating, meaning it is protected against dust and powerful water jets, making it suitable for both indoor use and covered outdoor environments.
Yes, because this is a passive soundbar, it does not have built-in amplification. You will need to connect it to an external AV receiver or amplifier to power the 13-driver array.
The soundbar is exceptionally thin, measuring less than 2 inches deep. It is designed for wall-mounting and includes VESA-compatible options to ensure a clean, low-profile installation.
Absolutely. The Mythos 3C-65 is timbre-matched to other Definitive Technology speakers, ensuring a consistent sound signature and seamless audio transition when used as part of a larger home theater system.
The three-way, 13-driver array utilizes high-fidelity XTDD drivers and aluminum oxide dome tweeters. This configuration delivers a wide, expansive soundstage with clear dialogue and detailed high-frequency response.
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