Short answer: the Klipsch RP-5000F II. It ranks #46 of 74 floorstanding speakers by sound quality, rated 4.0/5, at $1,199.98; the Klipsch Heresy IV ranks #72, rated 2.3/5, and costs $3,198, which makes this an easy call rather than a real tradeoff.
Buy the Klipsch RP-5000F II. It is rated higher for sound quality than the Klipsch Heresy IV and costs less, which makes it the one to get unless you need something the other one does better.
Looking for alternatives? See the complete Passive Home rankings.
Specifications Side By Side
| Klipsch Heresy IV | Klipsch RP-5000F II | |
|---|---|---|
| Price | $3,198 per pair | $1,199.98 per pair |
| Ranked | #72 of 74 in Large Size Floorstanding Speakers | #46 of 74 in Large Size Floorstanding Speakers |
| Bass Extension (-3dB) | 77Hz (measured, Erin’s Audio Corner) | 55Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-10dB) | 50.0Hz (measured, Erin’s Audio Corner) | 41Hz (measured, Erin’s Audio Corner) |
| Sensitivity | 94.5dB/2.83V/1m (measured, Erin’s Audio Corner) | 90dB (2.83V/1m, measured by Erin’s Audio Corner) |
| Impedance | Approximately 4 ohms minimum (measured, Erin’s Audio Corner) | 8 ohms nominal, 3.3 ohms minimum (measured above 80Hz, Erin’s Audio Corner) |
| Drivers | 1” horn-loaded tweeter; 1.75” horn-loaded midrange; 12” woofer | 1” titanium tweeter with Tractrix horn, dual 5.25” cerametallic woofers |
| Dimensions | 24.8”H x 15.6”W x 13.3”D | 36.1” x 8.1” x 14.8” (917 x 207 x 375 mm) |
| Weight | 45 lbs (20.4 kg) each | 38.6 lbs (17.5 kg) |
| Woofer Cabinet | ported, rear | ported, rear |
| Spinorama Preference Score | 2.27 | 5.24 |
| Spinorama Preference Score with Perfect Sub | 5.02 | 7.25 |
| DIY Kit | No | No |
| Frequency Response | - | 40Hz - 25kHz (+-3dB, Manufacturer specified) |
| Crossover Frequency | - | 1900Hz |
| Power Handling | - | 100W continuous, 400W peak |
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The Two Speakers In Full
Klipsch Heresy IV: $3,198 per pair Amazon Crutchfield eBay
Pros: Very high 94.5dB/2.83V/1m sensitivity in Erin’s anechoic measurement (well below Klipsch’s 99dB in-room claim, but still excellent) and strong short-term output from a 12-inch woofer plus horn-loaded midrange and tweeter. The compact, furniture-grade Heritage cabinet is easier to place than most high-efficiency designs, and dynamics at moderate levels can sound lively. A stable four-ohm-capable amplifier can produce substantial SPL with relatively little voltage. Measured bass extension of 77Hz (-3dB), with a measured sensitivity of 94.5dB.
Cons: Erin measured a 77Hz F3 and response rolling away near 100Hz in-room, so a subwoofer is required for modern full-range reproduction. The impedance dips to about 4 ohms, reducing the practical amplifier advantage implied by its sensitivity. Pronounced directivity mismatch at the driver transitions, impedance/response resonances and elevated distortion spikes around the crossover remain audible concerns that EQ cannot fully solve. At 102dB Erin measured roughly 1.5dB midband compression; at 96dB distortion rises around crossover. Performance is difficult to justify at the price, and Erin explicitly did not recommend it.
Full Klipsch Heresy IV review and specifications →
| Bass Extension (-10dB) | 50.0Hz (measured, Erin’s Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 77Hz (measured, Erin’s Audio Corner) |
| DIY Kit | No |
| Dimensions | 24.8”H x 15.6”W x 13.3”D |
| Drivers | 1” horn-loaded tweeter; 1.75” horn-loaded midrange; 12” woofer |
| Impedance | Approximately 4 ohms minimum (measured, Erin’s Audio Corner) |
| Sensitivity | 94.5dB/2.83V/1m (measured, Erin’s Audio Corner) |
| Spinorama Preference Score | 2.27 |
| Spinorama Preference Score with Perfect Sub | 5.02 |
| Weight | 45 lbs (20.4 kg) each |
| Woofer Cabinet | ported, rear |
- Links
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Klipsch RP-5000F II: $1,199.98 per pair B&H Photo Video eBay
Pros: The most tonally coherent of the RP II floorstander line, with a mild baffle-step dip and treble tilt but no additional coloration issues beyond that. Precise imaging thanks to the controlled horn/waveguide directivity. Measured bass extension of 55Hz (-3dB), with a measured sensitivity of 90dB.
Cons: Bass extension is underwhelming for a floorstander (F3 at 55Hz, F10 at 41Hz) and needs a subwoofer. Narrow horizontal dispersion (~50-60 degrees) trades soundstage width for imaging precision. A mild high-frequency tilt and a slight lack of detail around 1-1.5kHz.
Full Klipsch RP-5000F II review and specifications →
| Bass Extension (-10dB) | 41Hz (measured, Erin’s Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 55Hz (measured, Erin’s Audio Corner) |
| Crossover Frequency | 1900Hz |
| DIY Kit | No |
| Dimensions | 36.1” x 8.1” x 14.8” (917 x 207 x 375 mm) |
| Drivers | 1” titanium tweeter with Tractrix horn, dual 5.25” cerametallic woofers |
| Frequency Response | 40Hz - 25kHz (+-3dB, Manufacturer specified) |
| Impedance | 8 ohms nominal, 3.3 ohms minimum (measured above 80Hz, Erin’s Audio Corner) |
| Power Handling | 100W continuous, 400W peak |
| Sensitivity | 90dB (2.83V/1m, measured by Erin’s Audio Corner) |
| Spinorama Preference Score | 5.24 |
| Spinorama Preference Score with Perfect Sub | 7.25 |
| Weight | 38.6 lbs (17.5 kg) |
| Woofer Cabinet | ported, rear |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
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