Short answer: the KEF Reference 203 for better sound quality, the Polk Audio XT60 for the lower price. The KEF Reference 203 ranks #13 of 71 floorstanding speakers at $5000. The Polk Audio XT60 ranks #43 at $229, $4771 cheaper.
What the KEF Reference 203 offers: An unusually accomplished 4-way design for its era: excellent on-axis linearity (within about +/-3dB), genuinely good directivity both horizontally (~55 degrees) and vertically (~40-50 degrees), and an estimated in-room response that closely matches what the reviewer actually heard. Distortion is excellent - under 1% harmonic above 80Hz at both 86dB and 96dB, and multitone stays around 1% even at 96dB. Bass reaches a real F3 of 51Hz (F10 37Hz), with in-room extension into the low-mid-40s. The reviewer’s overall listening notes were essentially “nothing stood out bad or good” - a genuinely neutral, accurate speaker with a distinctive rounded-baffle look that avoids the diffraction issues a flat baffle this wide would normally have. Watch for: This is a 20+ year old, long-discontinued speaker only findable secondhand (Facebook Marketplace, Craigslist, audio forums) - condition, driver matching, and component aging vary by unit, so audition before buying if at all possible. Demands a robust amplifier: impedance dips to about 3.6 ohms with an EPDR of 2.2 ohms. The small supertweeter shows minor breakup artifacts at the extremes of the vertical polar plot and some compression at very high output in the top octave, though neither was audible in normal listening.
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.
Buy the KEF Reference 203 if sound quality matters more than the price. Buy the Polk Audio XT60 if the price matters more than sound quality.
Specifications Side By Side
| KEF Reference 203 | Polk Audio XT60 | |
|---|---|---|
| Price | $5000 Discontinued | $229.00 |
| Ranked | #13 of 71 in Large Size Floorstanding Speakers | #43 of 71 in Large Size Floorstanding Speakers |
| Bass Extension (-10dB) | 37Hz (measured, Erin’s Audio Corner) | 38.1Hz (measured, spinorama.org) |
| Bass Extension (-3dB) | 51Hz (measured, Erin’s Audio Corner) | 43.9Hz (measured, spinorama.org) |
| Dimensions | 1067H mm (42" tall) | 19.05 x 92.5 x 23.09cm (7.5 x 36.4 x 9.09 in) each |
| Impedance | 8 ohms nominal (3.6 ohms minimum, measured, Erin’s Audio Corner; 3.2 ohms per manufacturer spec) | 4/8-ohm compatible |
| Sensitivity | 88dB (2.83V/1m, measured by Erin’s Audio Corner) | 86dB (1W/1m) |
| Drivers | 1x 0.75" supertweeter, coaxial 1" dome tweeter + 6.5" midrange, 2x 6.5" woofers | 1" Terylene dome tweeter, 6.5" bilaminate polypropylene woofer, 2x 6.5" passive radiators |
| Weight | 58 lbs / 26.3 kg (58 lb) | 20 lbs / 9.07 kg (20 lb) each |
| Woofer Cabinet | Bass reflex, with switchable flat/cut/lifted bass ports for wall placement | Passive radiator-loaded |
| Crossover Frequency | 400Hz, 2.7kHz, 15kHz | - |
| Discontinued | Yes | - |
| Frequency Response | 55Hz - 55kHz ±3dB (Manufacturer specified) | - |
| Recommended Power | 50-200W | - |
Related Speaker Comparisons
More useful head-to-heads from the same speaker class:
- Revel F206 vs Klipsch Heresy IV
- Klipsch Heresy IV vs Klipsch RP-8000F II
- KEF R5 Meta vs Focal Chora 816
- JBL HDI-3800 vs Polk Audio XT60
- Polk T50 vs KEF Reference 203
Prices on this page were last checked August 25, 2026 at 6:19 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.
As an eBay Partner, we may be compensated if you make a purchase.
The Two Speakers In Full
KEF Reference 203: $5000 Discontinued eBay
Pros: An unusually accomplished 4-way design for its era: excellent on-axis linearity (within about +/-3dB), genuinely good directivity both horizontally (~55 degrees) and vertically (~40-50 degrees), and an estimated in-room response that closely matches what the reviewer actually heard. Distortion is excellent - under 1% harmonic above 80Hz at both 86dB and 96dB, and multitone stays around 1% even at 96dB. Bass reaches a real F3 of 51Hz (F10 37Hz), with in-room extension into the low-mid-40s. The reviewer’s overall listening notes were essentially “nothing stood out bad or good” - a genuinely neutral, accurate speaker with a distinctive rounded-baffle look that avoids the diffraction issues a flat baffle this wide would normally have.
Cons: This is a 20+ year old, long-discontinued speaker only findable secondhand (Facebook Marketplace, Craigslist, audio forums) - condition, driver matching, and component aging vary by unit, so audition before buying if at all possible. Demands a robust amplifier: impedance dips to about 3.6 ohms with an EPDR of 2.2 ohms. The small supertweeter shows minor breakup artifacts at the extremes of the vertical polar plot and some compression at very high output in the top octave, though neither was audible in normal listening. Discontinued.
Full KEF Reference 203 review and specifications →
| Bass Extension (-10dB) | 37Hz (measured, Erin's Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 51Hz (measured, Erin's Audio Corner) |
| Crossover Frequency | 400Hz, 2.7kHz, 15kHz |
| Dimensions | 1067H mm (42" tall) |
| Discontinued | Yes |
| Drivers | 1x 0.75" supertweeter, coaxial 1" dome tweeter + 6.5" midrange, 2x 6.5" woofers |
| Frequency Response | 55Hz - 55kHz ±3dB (Manufacturer specified) |
| Impedance | 8 ohms nominal (3.6 ohms minimum, measured, Erin's Audio Corner; 3.2 ohms per manufacturer spec) |
| Recommended Power | 50-200W |
| Sensitivity | 88dB (2.83V/1m, measured by Erin's Audio Corner) |
| Weight | 58 lbs / 26.3 kg (58 lb) |
| Woofer Cabinet | Bass reflex, with switchable flat/cut/lifted bass ports for wall placement |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
Polk Audio XT60: $229.00 Amazon Bhphotovideo 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.
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) |
| Weight | 20 lbs / 9.07 kg (20 lb) each |
| Woofer Cabinet | Passive radiator-loaded |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- Polk Audio XT60 vs Klipsch Heresy IV
- Polk Audio XT60 vs Klipsch Forte IV
- Polk Audio XT60 vs KEF Q11 Meta
- Polk Audio XT60 vs Definitive Technology BP-9020
- Polk Audio XT60 vs Klipsch RP-5000F II
- Polk Audio XT60 vs Polk Reserve R500
- Polk Audio XT60 vs ELAC Debut 3.0 DF63
- Polk Audio XT60 vs PSB Imagine T65
- See all 27 comparisons