Short answer: the JBL 4367 for better sound quality, the Polk Audio XT60 for the lower price. The JBL 4367 ranks #12 of 71 floorstanding speakers at $16500. The Polk Audio XT60 ranks #43 at $209, $16291 cheaper.
What the Polk Audio XT60 offers: Passive-radiator-loaded design (6.5” woofer plus two 6.5” passive radiators) gives deeper bass than the driver size alone would suggest - 43.9Hz at -3dB / 38.1Hz at -10dB, genuinely competitive extension for a budget tower. Hi-Res Audio certified, Dolby Atmos/DTS:X compatible, and works with either 4- or 8-ohm amplifier outputs. Watch for: Bass alignment Q (lfq 0.96) is the highest, least-controlled figure in this entire batch, consistent with owner reports of a slightly loose, boomy low end at higher volumes. On-axis deviation (nbd_on_axis 0.512) is also the roughest measured figure in the batch. The vinyl-wrapped (not wood veneer) cabinet reads as budget up close per owner reviews, and at least one owner reported blowing a driver under sustained heavy bass - some caution is warranted with bass-heavy source material at volume.
What the JBL 4367 offers: Three-way design pairing a 15” front-ported woofer with a compression driver on a controlled-dispersion horn/waveguide, crossed over at 700Hz. On-axis frequency response is nearly dead flat, holding within about ±1.5dB, with the listening window tracking it closely except right at the crossover. Distortion stays below 1% THD across the entire audible band at both 86dB and 96dB. Compression/dynamic-range linearity is exceptional - within about a quarter of a dB from 76dB to 102dB, among the best the reviewer has measured. High sensitivity (about 92.6dB average) eases the amplifier match despite the speaker’s size. Minimal rear radiation thanks to the 15” woofer’s directivity and front-firing ports - rear energy runs about 20dB down from the primary wavefront, giving it a near-cardioid radiation pattern. Well-controlled horn directivity keeps the soundstage from noticeably shifting in width across the 700Hz crossover region. A natural high-frequency rolloff above about 7-8kHz gives it an easy, non-fatiguing character for extended listening sessions. Watch for: At roughly $16,500/pair, this is a major investment - the reviewer recommends buying from a dealer with a liberal return policy. Vertical response shows dips beyond about ±10-20°, with a larger null further out - an inherent trade-off of mating a 15” woofer to a horn compression driver at a 700Hz crossover, since crossing lower would hurt power handling and dynamic range. Horizontal directivity isn’t perfectly consistent with frequency: narrow (about ±20°) through 200-800Hz, briefly widening to near ±50° above the crossover, then narrowing again at high frequency - an unusual, non-constant pattern. The high-frequency rolloff that gives it an easy-listening character also reduces the sense of air and space in the soundstage when listening from off-center seats. Massive and heavy (about 120 lbs, roughly 36-37” tall) - needs to be raised on a stand to bring the horn to ear level, and isn’t something one person easily moves alone. Only modest EQ adjustment is available on the speaker itself (about ±1-2dB bass/treble trim).
Buy the Polk Audio XT60 if the price is the priority over sound quality, or the JBL 4367 if sound quality is the priority over the price.
Looking for alternatives? See the complete Passive Home rankings.
Specifications Side By Side
| Polk Audio XT60 | JBL 4367 | |
|---|---|---|
| Price | $209.00 per pair | $16500 per pair |
| Ranked | #43 of 71 in Large Size Floorstanding Speakers | #12 of 71 in Large Size Floorstanding Speakers |
| Bass Extension (-10dB) | 38.1Hz (measured, spinorama.org) | 31Hz (measured, Erin's Audio Corner) |
| Bass Extension (-3dB) | 43.9Hz (measured, spinorama.org) | 43Hz (measured, Erin's Audio Corner) |
| Impedance | 4/8-ohm compatible | 4 ohms nominal (5.3 ohms minimum above 80Hz, measured by Erin's Audio Corner) |
| Sensitivity | 86dB (1W/1m) | 92.5dB (measured average, Erin's Audio Corner) |
| Drivers | 1" Terylene dome tweeter, 6.5" bilaminate polypropylene woofer, 2x 6.5" passive radiators | 15" (380mm) 2216Nd-1 Dual Differential Drive® woofer, 3" (75mm) D2430K dual compression tweeter |
| Weight | 20 lbs (9.07 kg) each | 119 lbs (54 kg) each |
| Woofer Cabinet | Passive radiator-loaded | ported, front |
| Dimensions | 19.05 x 92.5 x 23.09cm (7.5 x 36.4 x 9.09 in) each | 37.2"H x 22.2"W x 16.8"D (944.9 x 563.9 x 426.7 mm) |
| Spinorama Preference Score | 4.28 | 4.17 |
| Spinorama Preference Score with Perfect Sub | 6.23 | 5.97 |
Related Speaker Comparisons
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Prices on this page were last checked September 16, 2026 at 12:41 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
Polk Audio XT60: $209.00 per pair Amazon B&H Photo Video Crutchfield eBay
Pros: Passive-radiator-loaded design (6.5” woofer plus two 6.5” passive radiators) gives deeper bass than the driver size alone would suggest - 43.9Hz at -3dB / 38.1Hz at -10dB, genuinely competitive extension for a budget tower. Hi-Res Audio certified, Dolby Atmos/DTS:X compatible, and works with either 4- or 8-ohm amplifier outputs. Measured bass extension of 43.9Hz (-3dB).
Cons: Bass alignment Q (lfq 0.96) is the highest, least-controlled figure in this entire batch, consistent with owner reports of a slightly loose, boomy low end at higher volumes. On-axis deviation (nbd_on_axis 0.512) is also the roughest measured figure in the batch. The vinyl-wrapped (not wood veneer) cabinet reads as budget up close per owner reviews, and at least one owner reported blowing a driver under sustained heavy bass - some caution is warranted with bass-heavy source material at volume.
Full Polk Audio XT60 review and specifications →
| Bass Extension (-10dB) | 38.1Hz (measured, spinorama.org) |
|---|---|
| Bass Extension (-3dB) | 43.9Hz (measured, spinorama.org) |
| Dimensions | 19.05 x 92.5 x 23.09cm (7.5 x 36.4 x 9.09 in) each |
| Drivers | 1" Terylene dome tweeter, 6.5" bilaminate polypropylene woofer, 2x 6.5" passive radiators |
| Impedance | 4/8-ohm compatible |
| Sensitivity | 86dB (1W/1m) |
| Spinorama Preference Score | 4.28 |
| Spinorama Preference Score with Perfect Sub | 6.23 |
| Weight | 20 lbs (9.07 kg) each |
| Woofer Cabinet | Passive radiator-loaded |
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- Reviews, Comparisons and Sound Samples
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JBL 4367: $16500 per pair eBay
Pros: Three-way design pairing a 15” front-ported woofer with a compression driver on a controlled-dispersion horn/waveguide, crossed over at 700Hz. On-axis frequency response is nearly dead flat, holding within about ±1.5dB, with the listening window tracking it closely except right at the crossover. Distortion stays below 1% THD across the entire audible band at both 86dB and 96dB. Compression/dynamic-range linearity is exceptional - within about a quarter of a dB from 76dB to 102dB, among the best the reviewer has measured. High sensitivity (about 92.6dB average) eases the amplifier match despite the speaker’s size. Minimal rear radiation thanks to the 15” woofer’s directivity and front-firing ports - rear energy runs about 20dB down from the primary wavefront, giving it a near-cardioid radiation pattern. Well-controlled horn directivity keeps the soundstage from noticeably shifting in width across the 700Hz crossover region. A natural high-frequency rolloff above about 7-8kHz gives it an easy, non-fatiguing character for extended listening sessions. Measured bass extension of 43Hz (-3dB), with a measured sensitivity of 92.5dB.
Cons: At roughly $16,500/pair, this is a major investment - the reviewer recommends buying from a dealer with a liberal return policy. Vertical response shows dips beyond about ±10-20°, with a larger null further out - an inherent trade-off of mating a 15” woofer to a horn compression driver at a 700Hz crossover, since crossing lower would hurt power handling and dynamic range. Horizontal directivity isn’t perfectly consistent with frequency: narrow (about ±20°) through 200-800Hz, briefly widening to near ±50° above the crossover, then narrowing again at high frequency - an unusual, non-constant pattern. The high-frequency rolloff that gives it an easy-listening character also reduces the sense of air and space in the soundstage when listening from off-center seats. Massive and heavy (about 120 lbs, roughly 36-37” tall) - needs to be raised on a stand to bring the horn to ear level, and isn’t something one person easily moves alone. Only modest EQ adjustment is available on the speaker itself (about ±1-2dB bass/treble trim).
Full JBL 4367 review and specifications →
| Bass Extension (-10dB) | 31Hz (measured, Erin's Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 43Hz (measured, Erin's Audio Corner) |
| Dimensions | 37.2"H x 22.2"W x 16.8"D (944.9 x 563.9 x 426.7 mm) |
| Drivers | 15" (380mm) 2216Nd-1 Dual Differential Drive® woofer, 3" (75mm) D2430K dual compression tweeter |
| Impedance | 4 ohms nominal (5.3 ohms minimum above 80Hz, measured by Erin's Audio Corner) |
| Sensitivity | 92.5dB (measured average, Erin's Audio Corner) |
| Spinorama Preference Score | 4.17 |
| Spinorama Preference Score with Perfect Sub | 5.97 |
| Weight | 119 lbs (54 kg) each |
| Woofer Cabinet | ported, front |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons