Short answer: the Radiant Acoustics Clarity 66 for better sound quality, the Klipsch RP-8000F II for the lower price. The Radiant Acoustics Clarity 66 ranks #11 of 228 floorstanding speakers, rated 4.6/5, at $7,998. The Klipsch RP-8000F II ranks #138, rated 3.9/5, at $1,099, $6,899 cheaper.
Why pick the Klipsch RP-8000F II: A very easy to drive tower with twin 8 inch woofers that stays clean and composed at high home theater volumes. The tradeoff: Mid-bass sounds lean despite the dual 8-inch woofers, and bass extension disappointed for its size: expected to reach 50Hz, didn’t get there in-room.
The Radiant Acoustics Clarity 66 is the more accurate, deeper-bass option. Highly accurate floorstanding speakers with Purifi woofers and bass deep enough to skip a subwoofer. Its measured preference score, a predictor of how neutral it sounds, is 6.01 against 5.39 for the Klipsch RP-8000F II. Its bass reaches about 32.2Hz before falling 3dB, against 67Hz for the Klipsch RP-8000F II. Watch for: Vertical directivity is narrow and horizontal coverage is uneven, so listening height and placement affect tonal balance.
Buy the Klipsch RP-8000F II if the price is the priority over sound quality, or the Radiant Acoustics Clarity 66 if sound quality is the priority over the price.
Still deciding? The full Passive Home rankings cover every ranked option.
A very easy to drive tower with twin 8 inch woofers that stays clean and composed at high home theater volumes.
Highly accurate floorstanding speakers with Purifi woofers and bass deep enough to skip a subwoofer.
Prices on this page were last checked October 31, 2026 at 7:11 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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Specifications Side By Side
| Klipsch RP-8000F II | Radiant Acoustics Clarity 66 | |
|---|---|---|
| Price | $1,099.00 per pair | $7,998 per pair |
| Ranked | #138 of 228 in Large Size Floorstanding Speakers | #11 of 228 in Large Size Floorstanding Speakers |
| Bass Extension (-10dB) | 33Hz (measured, Erin’s Audio Corner) | 24.4Hz (measured, Audio Science Review) |
| Bass Extension (-3dB) | 67Hz (measured, Erin’s Audio Corner) | 32.2Hz (measured, Audio Science Review) |
| Sensitivity | 92dB (2.83V/1m, measured by Erin’s Audio Corner) | 85.9dB (2.83V/1m, measured, Audio Science Review; 86dB manufacturer specified) |
| Drivers | 1” titanium tweeter with 90x90 Tractrix horn, dual 8” cerametallic woofers | Custom waveguide-loaded tweeter with beam-expansion fins, 2x 6.5” Purifi USHINDI aluminum-cone woofers |
| Weight | 61.3 lbs (27.8 kg) | 101.4 lbs (46 kg) each |
| Impedance | 8 ohms nominal (3.7 ohms minimum above 80Hz, measured by Erin’s Audio Corner) | 4 ohms nominal |
| Frequency Response | 35Hz - 25kHz (+-3dB, Manufacturer specified) | - |
| Crossover Frequency | 1630Hz | 2.4kHz |
| Power Handling | 150W continuous, 600W peak | - |
| Dimensions | 43.1” x 10.8” x 18.3” (1095 x 275 x 464 mm) | 40.4”H x 8.7”W x 14”D (1025 x 222 x 355 mm) |
| Woofer Cabinet | ported, rear | ported, large rear port |
| Spinorama Preference Score | 5.39 | 6.01 |
| Spinorama Preference Score with Perfect Sub | 7.12 | 7.03 |
| DIY Kit | No | No |
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