Short answer: the MoFi SourcePoint 888. It ranks #8 of 188 floorstanding speakers by sound quality, rated 4.7/5, at $5,495. The Klipsch Heresy IV ranks #184, rated 2.3/5, at $3,599.98, $1,895.02 cheaper, a saving that is not big enough to make up 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 MoFi SourcePoint 888 is the more accurate, deeper-bass choice. Three-way vented design: an 8” coaxial mid-range/1.25” dome tweeter driver plus two additional 8” woofers crossed at about 130Hz, giving genuinely full-range output (F3 34Hz, F10 26Hz) other than the deepest subsonic content. Its measured preference score, a predictor of how neutral it sounds, is 6.09 against 2.27 for the Klipsch Heresy IV. Its bass reaches about 34Hz before falling 3dB, against 77Hz for the Klipsch Heresy IV. The tradeoff: A significant investment, best ordered from a dealer with a good return policy.
Buy the MoFi SourcePoint 888. It is rated higher for sound quality, and the $1,895.02 saving on the Klipsch Heresy IV is not enough to make up the difference.
Still deciding? The full Passive Home rankings cover every ranked option.
Specifications Side By Side
| Klipsch Heresy IV | MoFi SourcePoint 888 | |
|---|---|---|
| Price | $3,599.98 per pair | $5495 per pair |
| Ranked | #184 of 188 in Large Size Floorstanding Speakers | #8 of 188 in Large Size Floorstanding Speakers |
| Bass Extension (-3dB) | 77Hz (measured, Erin’s Audio Corner) | 34Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-10dB) | 50.0Hz (measured, Erin’s Audio Corner) | 26Hz (measured, Erin’s Audio Corner) |
| Sensitivity | 94.5dB/2.83V/1m (measured, Erin’s Audio Corner) | 85.6dB (measured, Erin’s Audio Corner) |
| Impedance | Approximately 4 ohms minimum (measured, Erin’s Audio Corner) | 6 ohms nominal, 5 ohms minimum (measured, Erin’s Audio Corner) |
| Drivers | 1” horn-loaded tweeter; 1.75” horn-loaded midrange; 12” woofer | Dual 8” paper cone woofers, 8” Paper Cone midrange, 1.25” wide roll soft dome tweeter |
| Dimensions | 24.8”H x 15.6”W x 13.3”D | 41.2”H x 12.6”W x 16.1”D (1046.5 x 320 x 408.9 mm) |
| Weight | 45 lbs (20.4 kg) each | 94.8 lbs (43 kg) each |
| Woofer Cabinet | ported, rear | ported, rear |
| Spinorama Preference Score | 2.27 | 6.09 |
| Spinorama Preference Score with Perfect Sub | 5.02 | 7.21 |
| DIY Kit | No | No |
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Prices on this page were last checked October 9, 2026 at 8:01 AM 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 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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MoFi SourcePoint 888: $5495 per pair Crutchfield eBay
Same family: the MoFi SourcePoint 8 (smaller bookshelf, rated 4.5/5) and the MoFi SourcePoint 10 (larger bookshelf, rated 4.4/5).
Pros: Three-way vented design: an 8” coaxial mid-range/1.25” dome tweeter driver plus two additional 8” woofers crossed at about 130Hz, giving genuinely full-range output (F3 34Hz, F10 26Hz) other than the deepest subsonic content. Ranked by the reviewer among his personal top three speakers out of roughly 200 tested, alongside the KEF Blade Two Meta and Dutch & Dutch 8C, despite costing a small fraction of either. Excellent compression/dynamic-range linearity, holding its own against much pricier speakers like the March Audio Sointuva AWG, KEF Reference 1 Meta, and KEF Blade Two Meta. On-axis (0°) and 30°-off-axis estimated in-room responses track within about 1-1.5dB of each other above 500Hz, so tonal balance barely changes with placement or listening angle: excellent for multi-seat home theater or entertaining. Wide horizontal dispersion of about ±60°. Distortion stays low: under 1% at 86dB, and under 1% above 200Hz even at 96dB, with multitone distortion mostly under 1% as well. Not a difficult amplifier load (5-ohm minimum impedance, 4.2-ohm minimum EPDR). Checks the three boxes the reviewer considers essential for a home theater speaker: low compression, low distortion, and excellent directivity. Measured bass extension of 34Hz (-3dB), with a measured sensitivity of 85.6dB.
Cons: A significant investment, best ordered from a dealer with a good return policy. Large and heavy floorstander (about 96 lbs, 42” tall) requiring real floor space and rear clearance. Positioning is fairly specific: needs about 2 feet from the rear wall. Closer causes boominess in the 40-50Hz region, farther loses bass extension. Vertical dispersion (about ±50°) is narrower than horizontal (about ±60°), since the two 8” woofers are spaced vertically apart on a tower cabinet, causing some vertical mismatch at lower frequencies. A small on-axis dip around 500Hz and a deliberately lower tweeter level (about 0.5dB below the midrange) are intentional design choices for smoother in-room response, but mean the raw on-axis measurement isn’t perfectly flat. A mild diffraction-related dip appears around 3kHz in directivity measurements. Toeing the speaker out more than about 10° starts to noticeably reduce top-end energy.
Full MoFi SourcePoint 888 review and specifications →
| Bass Extension (-10dB) | 26Hz (measured, Erin’s Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 34Hz (measured, Erin’s Audio Corner) |
| DIY Kit | No |
| Dimensions | 41.2”H x 12.6”W x 16.1”D (1046.5 x 320 x 408.9 mm) |
| Drivers | Dual 8” paper cone woofers, 8” Paper Cone midrange, 1.25” wide roll soft dome tweeter |
| Impedance | 6 ohms nominal, 5 ohms minimum (measured, Erin’s Audio Corner) |
| Sensitivity | 85.6dB (measured, Erin’s Audio Corner) |
| Spinorama Preference Score | 6.09 |
| Spinorama Preference Score with Perfect Sub | 7.21 |
| Weight | 94.8 lbs (43 kg) each |
| Woofer Cabinet | ported, rear |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- MoFi SourcePoint 888 vs Revel F328Be
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