The Monolith THX-365T ranks #39 out of 54 total Large Size Floorstanding Speakers for sound quality. See Top Recommended Speakers By Attribute for all the top speaker suggestions.
#39 Monolith THX-365T: $900/pair Amazon Monoprice
Pros: The coaxial midrange/tweeter produces coherent horizontal and vertical coverage through most of the vocal band, while twin 6.5-inch woofers deliver good 88.6dB measured sensitivity. Erin found low distortion above the bass and useful dynamic capacity for home theater; the sealed enclosure also makes the intended 80Hz THX crossover predictable. An integrated up-firing Atmos module and THX Ultra certification make this a compact, unusually versatile LCR/tower.
Cons: Erin measured F3 at 84Hz (F10 roughly 40Hz), so it categorically needs a subwoofer. Native response has enough upper-mid/treble irregularity that Erin recommended it only with EQ. Although mostly above four ohms, impedance falls to nearly 3 ohms with an adverse phase angle, potentially stressing an AVR; a separate four-ohm-capable amplifier is prudent. The Atmos module adds cost and height but cannot substitute for properly placed ceiling speakers.
How it compares: Just above it: Monolith Encore T6 - $100 cheaper, 0.8Hz lower bass extension (-3dB). Just below it: Klipsch RP-8000F II - $900 more, 3.4Hz higher bass extension (-3dB).
| Bass Extension (-10dB) | ~40Hz (measured, Erin's Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 84Hz (measured, Erin's Audio Corner) |
| Drivers | Dual 6.5-inch woofers; 2-inch coaxial midrange/1-inch dome; 5.25-inch Atmos coaxial |
| Enclosure | Sealed |
| Impedance | 4 ohms nominal; nearly 3 ohms minimum (measured, Erin's Audio Corner) |
| Sensitivity | 88.6dB/2.83V/1m (measured, Erin's Audio Corner) |
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