Short answer: both are discontinued, so this only matters if you are buying used. Used, the Emotiva Airmotiv XT2 is the better pick: it ranks #82 of 228 floorstanding speakers by sound quality (rated 4.2/5), against #137 (rated 3.9/5) for the Monolith THX-365T. If you want one new, the Revel Concerta2 F35 ranks #31 at $900.
The Emotiva Airmotiv XT2 is the better-sounding pick. A three way tower with a folded ribbon tweeter, a dedicated midrange and three woofers, with bi-amp terminals and a five year warranty. Watch for: No independent measurements have been published yet, so it can’t be compared with the Emotiva Airmotiv T2+ it replaces, which Erin measured reaching about 32Hz (-10dB) from two 8” woofers.
Why pick the Monolith THX-365T: A versatile home theater tower with a coaxial midrange and tweeter, a built in Atmos module and THX certification. The catch: Erin measured F3 at 84Hz (F10 roughly 40Hz), so it categorically needs a subwoofer.
Buy the Emotiva Airmotiv XT2 only if you find one used in good condition; both are discontinued, and it is the better rated of the two. For a new speaker, start with the Revel Concerta2 F35 instead.
About the ratings: the Emotiva Airmotiv XT2’s rating is estimated from measured siblings and predecessors rather than its own measurements, with a likely range of 4.0 to 4.4, so this verdict could change once it is measured.
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Specifications Side By Side
| Emotiva Airmotiv XT2 | Monolith THX-365T | |
|---|---|---|
| Price | $999 per pair Discontinued | $1,000 per pair Discontinued |
| Ranked | #82 of 228 in Large Size Floorstanding Speakers Estimated | #137 of 228 in Large Size Floorstanding Speakers |
| Bass Extension (-3dB) | 40Hz (manufacturer specified) | 84Hz (measured, Erin’s Audio Corner) |
| Crossover Frequency | 430Hz, 3.1kHz | - |
| Dimensions | 44.8”H x 8.5”W x 12.2”D (1137 x 216 x 311 mm) | 22.9”H x 9.7”W x 10.8”D (581 x 246 x 275 mm) (without grille) |
| DIY Kit | No | No |
| Drivers | 25mm x 32mm folded ribbon tweeter, 5.25” woven fiber midrange, 3x 6” woven fiber woofers | Dual 6.5-inch woofers; 2-inch coaxial midrange/1-inch dome; 5.25-inch Atmos coaxial |
| Frequency Response | 40Hz - 27kHz ±3dB (Manufacturer specified) | - |
| Impedance | 4 ohms | 4 ohms nominal; nearly 3 ohms minimum (measured, Erin’s Audio Corner) |
| Recommended Power | 100W or more | - |
| Sensitivity | 90dB (2.83V/1m, manufacturer specified) | 88.6dB/2.83V/1m (measured, Erin’s Audio Corner) |
| Weight | 48.9 lbs (22.2 kg) each | 28.4 lbs (12.9 kg) each |
| Woofer Cabinet | ported, rear | - |
| Bass Extension (-10dB) | - | ~40Hz (measured, Erin’s Audio Corner) |
| Enclosure | - | Sealed |
| Spinorama Preference Score | - | 3.83 |
| Spinorama Preference Score with Perfect Sub | - | 6.90 |
Where the Ratings Come From
- Emotiva Airmotiv XT2: reviews by Erin’s Audio Corner.
- Monolith THX-365T: Spinorama.org measurements and reviews by Erin’s Audio Corner video.
This comparison is generated from the ratings, specifications and measurements on each product’s own page, and it updates when that data changes. How we rank explains how each rating is decided.
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