Short answer: the Polk Audio Atrium 4, if you are buying new. The Revel M80XC ranks higher than it (#2 vs #11 of 13 outdoor speakers, 3.9/5 vs 2.6/5) but is discontinued, so only consider it used; the Polk Audio Atrium 4 is still sold new at $117.
The Revel M80XC is the more accurate, deeper-bass choice. 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 1.46 for the Polk Audio Atrium 4. Its bass reaches about 82Hz before falling 3dB, against 112.8Hz for the Polk Audio Atrium 4. The catch: Price is relatively high at $900 per pair.
What the Polk Audio Atrium 4 does well: Extremely compact, lightweight (1.63 kg), and affordable outdoor pair with Speed-Lock quick mounting bracket. The tradeoff: Small 4.5” driver restricts low-end performance; bass extension drops steeply past 98Hz (-6dB) with little acoustic energy below 100Hz.
Buy the Polk Audio Atrium 4 new; the Revel M80XC is no longer sold new, so it only makes sense as a used find.
Still deciding? The full Passive Home rankings cover every ranked option.
Specifications Side By Side
| Revel M80XC | Polk Audio Atrium 4 | |
|---|---|---|
| Price | $900 per pair Discontinued | $117.00 per pair |
| Ranked | #2 of 13 in Outdoor Speakers | #11 of 13 in Outdoor Speakers |
| Drivers | 8” aluminum cone woofer, 1” aluminum dome tweeter with Acoustic Lens waveguide | 4.5” (114mm) mineral-filled polymer cone woofer, 0.75” (19mm) anodized aluminum dome tweeter with neodymium magnet |
| Configuration | Passive 2-way | Passive 2-way |
| Sensitivity | 91dB | 89dB |
| Impedance | 8 ohms | 8 ohms |
| Recommended Power | 20-100W RMS | 10-80W |
| Enclosure | Sealed, IP56 weather-resistant | Sealed all-weather Mineral-filled polypropylene |
| Dimensions | 13”H x 10.1”W x 11”D (330 x 257 x 280 mm) | 8.6”H x 5.7”W x 6.6”D (219 x 144 x 168 mm) |
| Weight | 15 lbs (6.8 kg) | 3.6 lbs (1.63 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) | 98.1Hz (measured, Audio Science Review) |
| Bass Extension (-10dB) | 45.4Hz (measured, Audio Science Review) | 74.7Hz (measured, Audio Science Review) |
| Spinorama Preference Score | 4.07 | 1.46 |
| Spinorama Preference Score with Perfect Sub | 6.95 | 5.10 |
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Prices on this page were last checked October 4, 2026 at 9:58 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
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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
Polk Audio Atrium 4: $117.00 per pair Amazon eBay
Pros: Extremely compact, lightweight (1.63 kg), and affordable outdoor pair with Speed-Lock quick mounting bracket. Clean build quality that easily survives harsh rain and sun exposure. Smooth dispersion pattern (+60/-70 degrees horizontal). Measured bass extension of 112.8Hz (-3dB).
Cons: Small 4.5” driver restricts low-end performance; bass extension drops steeply past 98Hz (-6dB) with little acoustic energy below 100Hz. Notable mid-treble shelf gives it a forward, bright presentation and yields a low 1.46 preference score.
Full Polk Audio Atrium 4 review and specifications →
| Bass Extension (-10dB) | 74.7Hz (measured, Audio Science Review) |
|---|---|
| Bass Extension (-3dB) | 112.8Hz (measured, Audio Science Review) |
| Bass Extension (-6dB) | 98.1Hz (measured, Audio Science Review) |
| Configuration | Passive 2-way |
| Dimensions | 8.6”H x 5.7”W x 6.6”D (219 x 144 x 168 mm) |
| Drivers | 4.5” (114mm) mineral-filled polymer cone woofer, 0.75” (19mm) anodized aluminum dome tweeter with neodymium magnet |
| Enclosure | Sealed all-weather Mineral-filled polypropylene |
| Impedance | 8 ohms |
| Recommended Power | 10-80W |
| Sensitivity | 89dB |
| Spinorama Preference Score | 1.46 |
| Spinorama Preference Score with Perfect Sub | 5.10 |
| Weight | 3.6 lbs (1.63 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
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