Short answer: the Klipsch RP-6000F II, not the Bose 901 Series V. The RP-6000F II ranks #51 of 74 floorstanding speakers at $1,500 and handles power cleanly, though it has worse baffle-step coloration than the RP-5000F II (3-4dB swing vs 2dB) plus a sibilance issue. The 901 Series V’s eight rear-firing and one front-firing driver create a large presentation, but even with its required EQ Erin measured only about 81dB sensitivity and very high distortion.
Buy the Klipsch RP-6000F II. It is rated higher for sound quality and still sold new, while the Bose 901 Series V is discontinued.
Still deciding? The full Passive Home rankings cover every ranked option.
Specifications Side By Side
| Klipsch RP-6000F II | Bose 901 Series V | |
|---|---|---|
| Price | $1500 per pair | Discontinued |
| Ranked | #51 of 74 in Large Size Floorstanding Speakers | #74 of 74 in Large Size Floorstanding Speakers |
| Bass Extension (-10dB) | 33Hz (measured, Erin’s Audio Corner) | 34.5Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-3dB) | 67Hz (measured, Erin’s Audio Corner) | 55.8Hz (measured, Erin’s Audio Corner) |
| Sensitivity | 90dB (2.83V/1m, measured by Erin’s Audio Corner) | Approximately 81dB/2.83V/1m with tested EQ setting (measured, Erin’s Audio Corner) |
| Drivers | 1” titanium tweeter with Tractrix horn, dual 6.5” cerametallic woofers | Nine full-range drivers: eight rear-firing, one front-firing |
| Weight | 49.4 lbs (22.4 kg) | 35.3 lbs (16 kg) each |
| Impedance | 8 ohms nominal (3.7 ohms minimum, measured, Erin’s Audio Corner) | 6.2 ohms minimum (measured, Erin’s Audio Corner) |
| Frequency Response | 38Hz - 25kHz (+-3dB, Manufacturer specified) | - |
| Crossover Frequency | 1770Hz | - |
| Power Handling | 125W continuous, 500W peak | - |
| Dimensions | 39.6” x 9.3” x 17.6” (1006 x 236 x 446 mm) | 21”H x 21”W x 12.6”D (533.4 x 533.4 x 320.7 mm) |
| Woofer Cabinet | ported, rear | - |
| Spinorama Preference Score | 5.74 | 0.43 |
| Spinorama Preference Score with Perfect Sub | 7.47 | 2.11 |
| DIY Kit | No | No |
| Bass Extension | - | Strongly dependent on supplied active equalizer and room (measured, Erin’s Audio Corner) |
| DSP | - | External analog active equalizer required |
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Prices on this page were last checked October 3, 2026 at 10:26 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
Klipsch RP-6000F II: $1500 per pair Amazon eBay
Pros: Highest power handling and clean, well-behaved compression at typical volumes. Precise imaging from the controlled horn directivity. Measured bass extension of 67Hz (-3dB), with a measured sensitivity of 90dB.
Cons: Worse baffle-step coloration than the smaller RP-5000F II (3-4dB swing vs 2dB), plus a sibilance issue the 5000F doesn’t have: a real regression in tonal balance despite the higher price. Bass extension is mixed (less deep at -3dB (67Hz) than the 5000F) and needs a subwoofer regardless. Narrow horizontal dispersion (~50-60 degrees).
Full Klipsch RP-6000F II review and specifications →
| Bass Extension (-10dB) | 33Hz (measured, Erin’s Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 67Hz (measured, Erin’s Audio Corner) |
| Crossover Frequency | 1770Hz |
| DIY Kit | No |
| Dimensions | 39.6” x 9.3” x 17.6” (1006 x 236 x 446 mm) |
| Drivers | 1” titanium tweeter with Tractrix horn, dual 6.5” cerametallic woofers |
| Frequency Response | 38Hz - 25kHz (+-3dB, Manufacturer specified) |
| Impedance | 8 ohms nominal (3.7 ohms minimum, measured, Erin’s Audio Corner) |
| Power Handling | 125W continuous, 500W peak |
| Sensitivity | 90dB (2.83V/1m, measured by Erin’s Audio Corner) |
| Spinorama Preference Score | 5.74 |
| Spinorama Preference Score with Perfect Sub | 7.47 |
| Weight | 49.4 lbs (22.4 kg) |
| Woofer Cabinet | ported, rear |
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- Reviews, Comparisons and Sound Samples
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Bose 901 Series V Discontinued Amazon eBay
Pros: Historically distinctive direct/reflecting architecture uses eight rear-firing and one front-firing full-range drivers to create a very large, room-filling presentation. Erin measured a benign 6.2-ohm minimum impedance, so the raw electrical load is easier than many modern four-ohm speakers. The supplied active equalizer offers user-adjustable tonal balance and is integral to obtaining usable bandwidth. Measured bass extension of 55.8Hz (-3dB), with a measured sensitivity of 81dB.
Cons: Even with the required EQ, Erin measured only about 81dB sensitivity, grossly non-flat response, numerous impedance/resonance irregularities and very high distortion. Output above roughly 90-95dB at his seat became audibly poor; multitone testing reached only about 98dB before the distortion limit. The reflection-dominant radiation prevents precise imaging and makes results strongly room-dependent. It requires the proprietary equalizer and substantial amplifier power despite its benign impedance. Discontinued.
Full Bose 901 Series V review and specifications →
| Bass Extension | Strongly dependent on supplied active equalizer and room (measured, Erin’s Audio Corner) |
|---|---|
| Bass Extension (-10dB) | 34.5Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-3dB) | 55.8Hz (measured, Erin’s Audio Corner) |
| DIY Kit | No |
| DSP | External analog active equalizer required |
| Dimensions | 21”H x 21”W x 12.6”D (533.4 x 533.4 x 320.7 mm) |
| Drivers | Nine full-range drivers: eight rear-firing, one front-firing |
| Impedance | 6.2 ohms minimum (measured, Erin’s Audio Corner) |
| Sensitivity | Approximately 81dB/2.83V/1m with tested EQ setting (measured, Erin’s Audio Corner) |
| Spinorama Preference Score | 0.43 |
| Spinorama Preference Score with Perfect Sub | 2.11 |
| Weight | 35.3 lbs (16 kg) each |
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