Short answer: the PSB Imagine T65. It ranks #34 of 73 floorstanding speakers by sound quality, rated 4.3/5, at $2,699; the Klipsch Heresy IV ranks #71, rated 2.3/5, and costs $3,198, so there is not much of a tradeoff to weigh.
What the PSB Imagine T65 does well: Three-way design with dual 6.5” woven carbon fiber woofers delivers genuinely strong, extended low end for a $2699 tower: among the better performers Erin has measured in this price class. The tradeoff: Noticeable dip in the midrange/crossover region that Erin flagged as affecting dialogue and vocal clarity, though he notes a couple bands of EQ smooths it out.
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. Watch for: Erin measured a 77Hz F3 and response rolling away near 100Hz in-room, so a subwoofer is required for modern full-range reproduction.
Buy the PSB Imagine T65. It is rated higher for sound quality than the Klipsch Heresy IV and costs less, so it is the default pick unless a specific strength of the other one matters more to you.
Looking for alternatives? See the complete Passive Home rankings.
Specifications Side By Side
| PSB Imagine T65 | Klipsch Heresy IV | |
|---|---|---|
| Price | $2,699 per pair | $3,198 per pair |
| Ranked | #34 of 73 in Large Size Floorstanding Speakers | #71 of 73 in Large Size Floorstanding Speakers |
| Drivers | 1” titanium dome tweeter, 5.25” woven carbon fiber midrange, 2x 6.5” woven carbon fiber woofers | 1” horn-loaded tweeter; 1.75” horn-loaded midrange; 12” woofer |
| Crossover Frequency | 600Hz & 2000Hz, 4th-order Linkwitz-Riley | - |
| Dimensions | 38.8” x 8.4” x 13.5” (986 x 213 x 343 mm) | 24.8”H x 15.6”W x 13.3”D |
| Weight | 44.1 lbs (20 kg) each | 45 lbs (20.4 kg) each |
| Impedance | 8 ohms nominal (3.3 ohms minimum measured by Erin’s Audio Corner; manufacturer specifies 4 ohms minimum) | Approximately 4 ohms minimum (measured, Erin’s Audio Corner) |
| Sensitivity | 85.1dB (measured average, Erin’s Audio Corner) | 94.5dB/2.83V/1m (measured, Erin’s Audio Corner) |
| Recommended Power | 20-200W | - |
| Enclosure | Vented: dual rear slot ports, individual woofer chambers | - |
| Bass Extension (-3dB) | 47Hz (measured average, Erin’s Audio Corner) | 77Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-10dB) | 26Hz (measured average, Erin’s Audio Corner) | 50.0Hz (measured, Erin’s Audio Corner) |
| Frequency Response | 28Hz - 20kHz (±1.5dB, manufacturer specified) | - |
| Spinorama Preference Score | 5.29 | 2.27 |
| Spinorama Preference Score with Perfect Sub | 6.51 | 5.02 |
| DIY Kit | No | No |
| Woofer Cabinet | - | ported, rear |
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How PSB Imagine T65 compares with other leading options:
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- Revel F226Be vs PSB Imagine T65
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The Two Speakers In Full
PSB Imagine T65: $2,699 per pair PSB Speakers eBay
Pros: Three-way design with dual 6.5” woven carbon fiber woofers delivers genuinely strong, extended low end for a $2699 tower: among the better performers Erin has measured in this price class. Distortion shows a clean second-order character with clear separation from third-order all the way up to 96 dB, indicating a well-controlled motor. Compression data shows enhancement rather than compression below about 50-60 Hz, so the bass can sound louder as you turn it up rather than choking off. Wide, forgiving vertical listening window (about ±25°) thanks to the 3-way layout, giving more seating and placement flexibility than most towers. Plenty of dynamic headroom for home theater use or a two-channel system: 100W drove it comfortably in Erin’s room. Measured bass extension of 47Hz (-3dB), with a measured sensitivity of 85.1dB.
Cons: Noticeable dip in the midrange/crossover region that Erin flagged as affecting dialogue and vocal clarity, though he notes a couple bands of EQ smooths it out. Some horizontal dispersion mismatch (about 10-15° of ballooning between 1-3 kHz) between the midrange and tweeter can add extra perceived attack or detail if your room’s sidewalls are reflective. Dips to 4 ohms, so it wants an amplifier comfortable driving a 4-ohm load. Distortion climbs above 3% around 60 Hz at 96 dB, though it’s benign second-order distortion.
Full PSB Imagine T65 review and specifications →
| Bass Extension (-10dB) | 26Hz (measured average, Erin’s Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 47Hz (measured average, Erin’s Audio Corner) |
| Crossover Frequency | 600Hz & 2000Hz, 4th-order Linkwitz-Riley |
| DIY Kit | No |
| Dimensions | 38.8” x 8.4” x 13.5” (986 x 213 x 343 mm) |
| Drivers | 1” titanium dome tweeter, 5.25” woven carbon fiber midrange, 2x 6.5” woven carbon fiber woofers |
| Enclosure | Vented: dual rear slot ports, individual woofer chambers |
| Frequency Response | 28Hz - 20kHz (±1.5dB, manufacturer specified) |
| Impedance | 8 ohms nominal (3.3 ohms minimum measured by Erin’s Audio Corner; manufacturer specifies 4 ohms minimum) |
| Recommended Power | 20-200W |
| Sensitivity | 85.1dB (measured average, Erin’s Audio Corner) |
| Spinorama Preference Score | 5.29 |
| Spinorama Preference Score with Perfect Sub | 6.51 |
| Weight | 44.1 lbs (20 kg) each |
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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 |
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