Short answer: the Revel F328Be. It ranks #9 of 188 floorstanding speakers by sound quality, rated 4.7/5, at $19,359.90. The Klipsch Heresy IV ranks #184, rated 2.3/5, at $3,599.98, $15,759.92 cheaper, not enough of a saving to outweigh the sound-quality gap.
Why pick the Klipsch Heresy IV: 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 catch: Erin measured a 77Hz F3 and response rolling away near 100Hz in-room, so a subwoofer is required for modern full-range reproduction.
The Revel F328Be is the more accurate pick. CEA2034 spinorama shows a quite flat on-axis response with superb directivity and efficiency above 90dB. Its measured preference score, a predictor of how neutral it sounds, is 6.40 against 2.27 for the Klipsch Heresy IV. Watch for: Vertical directivity is asymmetric: the reviewer recommends staying between -20 and +40 degrees relative to the tweeter axis, reflecting the driver layout of this three-way tower.
Buy the Revel F328Be. It is rated higher for sound quality, and saving $15,759.92 with the Klipsch Heresy IV does not make up for the sound-quality gap.
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Specifications Side By Side
| Klipsch Heresy IV | Revel F328Be | |
|---|---|---|
| Price | $3,599.98 per pair | $19,359.90 per pair |
| Ranked | #184 of 188 in Large Size Floorstanding Speakers | #9 of 188 in Large Size Floorstanding Speakers |
| Bass Extension (-3dB) | 77Hz (measured, Erin’s Audio Corner) | 74Hz (measured, Audio Science Review) |
| Bass Extension (-10dB) | 50.0Hz (measured, Erin’s Audio Corner) | 39Hz (measured, Audio Science Review) |
| Sensitivity | 94.5dB/2.83V/1m (measured, Erin’s Audio Corner) | 91dB (measured, Audio Science Review) |
| Impedance | Approximately 4 ohms minimum (measured, Erin’s Audio Corner) | 8 ohms nominal (3 ohms minimum, measured by Audio Science Review) |
| Drivers | 1” horn-loaded tweeter; 1.75” horn-loaded midrange; 12” woofer | Three 8” (200mm) Deep Ceramic Composite aluminum cones, with cast frames woofer, 5-1/4” (130mm) Deep Ceramic Composite aluminum cone, with cast frame midrange, 1” (25mm) Beryllium dome, with acoustic lens waveguide tweeter |
| Dimensions | 24.8”H x 15.6”W x 13.3”D | 50.9”H x 13.5”W x 17.6”D (1292.9 x 342.9 x 447 mm) |
| Weight | 45 lbs (20.4 kg) each | 112.4 lbs (51 kg) each |
| Woofer Cabinet | ported, rear | ported, rear |
| Spinorama Preference Score | 2.27 | 6.40 |
| Spinorama Preference Score with Perfect Sub | 5.02 | 7.81 |
| DIY Kit | No | No |
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The Two Speakers In Full
Klipsch Heresy IV: $3,599.98 per pair Amazon Crutchfield eBay
Same family: the Klipsch Forte IV (larger floorstanding, ranked higher, rated 4/5), the Klipsch Cornwall IV (larger floorstanding, ranked higher, estimated 2.8/5), the Klipsch La Scala AL6 (larger floorstanding, ranked higher, estimated 2.8/5) and the Klipsch Klipschorn AK7 (larger floorstanding, ranked higher, estimated 3/5).
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 |
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Revel F328Be: $19,359.90 per pair Crutchfield eBay
Same family: the Revel M126Be (bookshelf, rated 4.3/5), the Revel F226Be (smaller floorstanding, ranked lower, rated 4.6/5), the Revel F228Be (smaller floorstanding, ranked lower, rated 4.5/5) and the Revel C426Be (center, rated 4/5).
Pros: CEA2034 spinorama shows a quite flat on-axis response with superb directivity and efficiency above 90dB. Predicted in-room response is extremely accurate, with a smooth ~5dB downward slope from bass to treble that suits typical rooms without correction. Early reflections sum very nicely with the direct sound. Horizontal beamwidth of about ±70 degrees is wide and quite smooth. At 96dB SPL/1m distortion stays easily below the reviewer’s audibility threshold across nearly the whole range. Measured bass extension of 74Hz (-3dB), with a measured sensitivity of 91dB.
Cons: Vertical directivity is asymmetric: the reviewer recommends staying between -20 and +40 degrees relative to the tweeter axis, reflecting the driver layout of this three-way tower. Impedance dips to a minimum of 3 ohms with an additional resonance-driven phase swing, calling for an amplifier comfortable with a demanding load. Very expensive and very heavy (51 kg each).
Full Revel F328Be review and specifications →
| Bass Extension (-10dB) | 39Hz (measured, Audio Science Review) |
|---|---|
| Bass Extension (-3dB) | 74Hz (measured, Audio Science Review) |
| DIY Kit | No |
| Dimensions | 50.9”H x 13.5”W x 17.6”D (1292.9 x 342.9 x 447 mm) |
| Drivers | Three 8” (200mm) Deep Ceramic Composite aluminum cones, with cast frames woofer, 5-1/4” (130mm) Deep Ceramic Composite aluminum cone, with cast frame midrange, 1” (25mm) Beryllium dome, with acoustic lens waveguide tweeter |
| Impedance | 8 ohms nominal (3 ohms minimum, measured by Audio Science Review) |
| Sensitivity | 91dB (measured, Audio Science Review) |
| Spinorama Preference Score | 6.40 |
| Spinorama Preference Score with Perfect Sub | 7.81 |
| Weight | 112.4 lbs (51 kg) each |
| Woofer Cabinet | ported, rear |
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- Reviews, Comparisons and Sound Samples
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