Short answer: both are discontinued, so this only matters if you are buying used. Used, the Revel M80XC is the better pick: it ranks #2 of 13 outdoor speakers by sound quality (rated 3.9/5), against #5 (rated 3.6/5) for the Revel M55XC.
The Revel M80XC is the more accurate, deeper-bass pick. Klippel NFS testing by Audio Science Review yields an impressive preference score of 4.07 (6.95 with subwoofer) for an all-weather cabinet. Its measured preference score, a predictor of how neutral it sounds, is 4.07 against 3.36 for the Revel M55XC. Its bass reaches about 82Hz before falling 3dB, against 112.8Hz for the Revel M55XC. The tradeoff: Price is relatively high at $900 per pair.
What the Revel M55XC does well: Audio Science Review measurements demonstrate a 3.36 preference score that leaps to 6.89 with a subwoofer. Watch for: Compact sealed enclosure limits bass output, with -6dB extension at 90.8Hz and rapid low-frequency roll-off below 100Hz.
Buy the Revel M80XC only if you find one used in good condition; both are discontinued, and it is the better rated of the two.
Looking for alternatives? See the complete Passive Home rankings.
Specifications Side By Side
| Revel M80XC | Revel M55XC | |
|---|---|---|
| Price | $900 per pair Discontinued | $420 per pair Discontinued |
| Ranked | #2 of 13 in Outdoor Speakers | #5 of 13 in Outdoor Speakers |
| Drivers | 8” aluminum cone woofer, 1” aluminum dome tweeter with Acoustic Lens waveguide | 5.25” carbon-infused polypropylene woofer, 1” aluminum dome tweeter with Acoustic Lens waveguide |
| Configuration | Passive 2-way | Passive 2-way |
| Sensitivity | 91dB | 86.5dB |
| Impedance | 8 ohms | 8 ohms |
| Recommended Power | 20-100W RMS | 20-70W |
| Enclosure | Sealed, IP56 weather-resistant | Sealed, IP56 weather-resistant |
| Dimensions | 13”H x 10.1”W x 11”D (330 x 257 x 280 mm) | 9.8”H x 7.4”W x 7.1”D (248 x 188 x 181 mm) |
| Weight | 15 lbs (6.8 kg) | 7.5 lbs (3.4 kg) |
| Bass Extension (-3dB) | 82.0Hz (measured, Audio Science Review) | 112.8Hz (measured, Audio Science Review) |
| Bass Extension (-6dB) | 67.4Hz (measured, Audio Science Review) | 90.8Hz (measured, Audio Science Review) |
| Bass Extension (-10dB) | 45.4Hz (measured, Audio Science Review) | 67.4Hz (measured, Audio Science Review) |
| Spinorama Preference Score | 4.07 | 3.36 |
| Spinorama Preference Score with Perfect Sub | 6.95 | 6.89 |
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The Two Speakers In Full
Revel M80XC: $900 per pair Discontinued eBay
Pros: Klippel NFS testing by Audio Science Review yields an impressive preference score of 4.07 (6.95 with subwoofer) for an all-weather cabinet. Wide and uniform horizontal directivity (+/-60 degrees) and smooth predicted in-room response (0.728 smoothness). Generous 8” aluminum cone woofer produces clean output and solid bass extension down to 67Hz (-6dB) with sturdy IP56 weatherproofing and high 91dB sensitivity. Measured bass extension of 82.0Hz (-3dB).
Cons: Price is relatively high at $900 per pair. Treble resonance around 4.5kHz and port-less sealed alignment require substantial amplifier power to hit reference levels in wide-open outdoor spaces. Discontinued.
Full Revel M80XC review and specifications →
| Bass Extension (-10dB) | 45.4Hz (measured, Audio Science Review) |
|---|---|
| Bass Extension (-3dB) | 82.0Hz (measured, Audio Science Review) |
| Bass Extension (-6dB) | 67.4Hz (measured, Audio Science Review) |
| Configuration | Passive 2-way |
| Dimensions | 13”H x 10.1”W x 11”D (330 x 257 x 280 mm) |
| Drivers | 8” aluminum cone woofer, 1” aluminum dome tweeter with Acoustic Lens waveguide |
| Enclosure | Sealed, IP56 weather-resistant |
| Impedance | 8 ohms |
| Recommended Power | 20-100W RMS |
| Sensitivity | 91dB |
| Spinorama Preference Score | 4.07 |
| Spinorama Preference Score with Perfect Sub | 6.95 |
| Weight | 15 lbs (6.8 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
Revel M55XC: $420 per pair Discontinued eBay
Pros: Audio Science Review measurements demonstrate a 3.36 preference score that leaps to 6.89 with a subwoofer. Smooth off-axis response and tight directivity matching through the crossover handover thanks to Revel’s Acoustic Lens waveguide. Rugged IP56 weather resistance and included InvisiBall mounting hardware make installation straightforward. Measured bass extension of 112.8Hz (-3dB).
Cons: Compact sealed enclosure limits bass output, with -6dB extension at 90.8Hz and rapid low-frequency roll-off below 100Hz. Modest 86.5dB sensitivity means it requires a capable amplifier for open outdoor spaces. Discontinued.
Full Revel M55XC review and specifications →
| Bass Extension (-10dB) | 67.4Hz (measured, Audio Science Review) |
|---|---|
| Bass Extension (-3dB) | 112.8Hz (measured, Audio Science Review) |
| Bass Extension (-6dB) | 90.8Hz (measured, Audio Science Review) |
| Configuration | Passive 2-way |
| Dimensions | 9.8”H x 7.4”W x 7.1”D (248 x 188 x 181 mm) |
| Drivers | 5.25” carbon-infused polypropylene woofer, 1” aluminum dome tweeter with Acoustic Lens waveguide |
| Enclosure | Sealed, IP56 weather-resistant |
| Impedance | 8 ohms |
| Recommended Power | 20-70W |
| Sensitivity | 86.5dB |
| Spinorama Preference Score | 3.36 |
| Spinorama Preference Score with Perfect Sub | 6.89 |
| Weight | 7.5 lbs (3.4 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons