Short answer: the RP-8000F II. It ranks #138 of 228 large floorstanding speakers against the RP-6000F II’s #140, and it costs $99.02 less despite being the larger, more expensive-looking model on paper.
Measurements from Erin’s Audio Corner favor the 8000F II on tonal accuracy. The RP-6000F II has worse baffle-step coloration than even the smaller RP-5000F II, a 3-4dB swing against 2dB, plus a sibilance issue the 5000F doesn’t share, which our notes call a real regression in tonal balance despite the RP-6000F II’s higher price. The RP-8000F II has its own coloration, an upper-mid bump between 2kHz and 6kHz caused by the vertical horn/woofer offset, but our notes say it delivers the best dynamics and compression behavior of the whole RP II floorstander line, staying cleanest at high output, and it measures the highest sensitivity in the line at roughly 92dB against the RP-6000F II’s 90dB.
Neither speaker reaches its full potential in the bass without help. Both measure identical extension: 33Hz at -10dB and 67Hz at -3dB. Our notes on the RP-8000F II point out that its dual 8-inch woofers still sound lean in the mid-bass and its extension undershoots typical in-room expectations for that driver size. The RP-6000F II’s own notes say it needs a subwoofer regardless of its 6.5-inch woofers, so a sub is worth budgeting for with either speaker.
Dispersion favors the RP-6000F II slightly. Its horizontal spread is around 50 to 60 degrees against the RP-8000F II’s narrower 40 to 50 degrees, making the RP-8000F II more placement-critical in a room, per Erin’s Audio Corner’s measurements. The RP-6000F II also handles more continuous power, 125W against the RP-8000F II’s 150W being higher, plus the RP-8000F II having a taller cabinet.
Buy the RP-8000F II. It measures better on tonal balance and dynamics according to Erin’s Audio Corner, and costs less at the same time.
Buy the RP-6000F II only if its slightly wider dispersion or cabinet size fits your room better than the RP-8000F II’s more directional, placement-sensitive design.
Want more options? Browse the full Passive Home rankings.
Measured Differences
- Efficiency: the Klipsch RP-8000F II is rated at 92 dB sensitivity against 90 dB for the Klipsch RP-6000F II, so it plays as loud with roughly two thirds of the amplifier power.
- Close enough not to matter: bass extension (33 Hz vs 33 Hz, 10 dB down); preference score with a subwoofer (7.1 vs 7.5).
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Specifications Side By Side
| Klipsch RP-8000F II | Klipsch RP-6000F II | |
|---|---|---|
| Price | $1,099.00 per pair | $999.98 per pair |
| Ranked | #138 of 228 in Large Size Floorstanding Speakers | #140 of 228 in Large Size Floorstanding Speakers |
| Bass Extension (-10dB) | 33Hz (measured, Erin’s Audio Corner) | 33Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-3dB) | 67Hz (measured, Erin’s Audio Corner) | 67Hz (measured, Erin’s Audio Corner) |
| Sensitivity | 92dB (2.83V/1m, measured by Erin’s Audio Corner) | 90dB (2.83V/1m, measured by Erin’s Audio Corner) |
| Drivers | 1” titanium tweeter with 90x90 Tractrix horn, dual 8” cerametallic woofers | 1” titanium tweeter with Tractrix horn, dual 6.5” cerametallic woofers |
| Weight | 61.3 lbs (27.8 kg) | 49.4 lbs (22.4 kg) |
| Impedance | 8 ohms nominal (3.7 ohms minimum above 80Hz, measured by Erin’s Audio Corner) | 8 ohms nominal (3.7 ohms minimum, measured, Erin’s Audio Corner) |
| Frequency Response | 35Hz - 25kHz (+-3dB, Manufacturer specified) | 38Hz - 25kHz (+-3dB, Manufacturer specified) |
| Crossover Frequency | 1630Hz | 1770Hz |
| Power Handling | 150W continuous, 600W peak | 125W continuous, 500W peak |
| Dimensions | 43.1” x 10.8” x 18.3” (1095 x 275 x 464 mm) | 39.6” x 9.3” x 17.6” (1006 x 236 x 446 mm) |
| Woofer Cabinet | ported, rear | ported, rear |
| Spinorama Preference Score | 5.39 | 5.74 |
| Spinorama Preference Score with Perfect Sub | 7.12 | 7.47 |
| DIY Kit | No | No |
Watch Them Compared
Videos and reviews that test both speakers side by side.
Where the Ratings Come From
- Klipsch RP-8000F II: Spinorama.org measurements and reviews by Erin’s Audio Corner.
- Klipsch RP-6000F II: Spinorama.org measurements and reviews by Erin’s Audio Corner.
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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