Short answer: the KEF LS60. It ranks #1 of 6 powered floorstanding speakers by sound quality; the GGNTKT M3 ranks #2.
What the GGNTKT M3 offers: The manufacturer measurement shows a very tight 0.5dB response span from 300Hz to 5kHz and a 7.84 ideal-subwoofer preference score, supporting exceptionally even midrange balance. Cardioid radiation reduces rearward bass and low-midrange energy, helping with near-wall placement. A dedicated midrange, wide waveguide and DSP-controlled four-way architecture suit a large listening area without relying on a narrow on-axis sweet spot. Watch for: Measured -3dB extension of 35.5Hz is useful but does not match the deepest-reaching towers here. Cardioid operation reduces some boundary interaction rather than eliminating room modes. The broad, heavy cabinets and professional system setup demand space and planning; maximum-output claims should not be confused with equally low distortion at every frequency.
What the KEF LS60 offers: Erin’s on-axis measurement combines a 1.9dB response span from 300Hz to 5kHz with a 7.22 ideal-subwoofer preference score, supporting even vocal and instrumental balance. Extended-mode bass reaches roughly 25Hz at -3dB. The coaxial Uni-Q arrangement maintains unusually consistent tonality across listening positions, while HDMI, digital and analog inputs plus network streaming make this a convenient complete music and TV system. Watch for: A diffraction dip around 9kHz can soften cymbal shimmer when aimed directly at the listener; 10-20 degrees of toe-out helps. DSP limiting reduces bass reach and dynamic output at high volume, so its deep low-level extension is not a promise of the same performance on loud peaks. App placement and tone controls are less flexible than parametric room correction. Each roughly 31kg tower is awkward to move.
Buy the GGNTKT M3 if the price matters more than sound quality. Buy the KEF LS60 if sound quality matters more than the price.
Specifications Side By Side
| GGNTKT M3 | KEF LS60 | |
|---|---|---|
| Price | €29,950/pair | $5,999.99 |
| Ranked | #2 of 6 in Large Size Powered Floorstanding Speakers | #1 of 6 in Large Size Powered Floorstanding Speakers |
| Enclosure | 4-way bass reflex, cardioid-loaded bass (opposed front/rear woofers) | - |
| Drivers | 56mm ring-diaphragm compression tweeter, 210mm (8") paper-fiber midrange, 2x 260mm (10") long-throw subwoofers | 4 x 135 mm (5.25 in.) Uni-Core Force Cancelling Driver: woofers, 100 mm (4in.) aluminium cone midrange, 19 mm (0.75 in.) vented aluminium dome with Metamaterial Absorption Technology tweeter |
| Dimensions | 50.6"H x 19.6"W x 7.8"D (1286 x 499 x 199 mm) (50.6 x 19.6 x 7.8 in) | 42.9"H x 8.3"W x 15.5"D (1089.7 x 210.8 x 393.7 mm) |
| Weight | approx. 154.3 lbs / 70 kg each | 69 lbs / 31.3 kg each |
| Power Output | approx. 1000W total (PASCAL Class-D UMAC modules) | - |
| Frequency Response | 29Hz-20kHz (-3dB), 24Hz-22kHz (-6dB) | 31Hz - 24kHz (±3dB) (Manufacturer specified) |
| Distortion | 0.003% THD @ 1kHz/1W | - |
| Directivity | 140 deg horizontal x 100 deg vertical (constant directivity waveguide) | - |
| Warranty | 2 years, extendable to 3 with product registration | - |
| Country | Germany | - |
| Bass Extension (-10dB) | - | <20Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-3dB) | - | 23Hz (measured, Erin’s Audio Corner) |
| Inputs | - | Wifi, Optical, Digital coaxial, RCA, HDMI, Ethernet |
| App | - | Yes (KEF Connect) |
| Bluetooth | - | Yes (5.0 with SBC, AAC) |
| Bluetooth Codecs | - | SBC, AAC |
| DSP | - | Yes (Music Integrity Engine) |
| EQ | - | Yes (Normal and Expert modes, room adaptation) |
| Max SPL | - | 111dB @ 1m (pink noise) |
| Outputs | - | Subwoofer RCA |
| Streaming Services | - | Yes (AirPlay 2, Chromecast, Roon Ready, Spotify Connect, Tidal Connect, Amazon Music, Qobuz, Deezer) |
| Wifi | - | Yes (dual-band) |
| Output Power | - | 700W (500W LF Class D + 100W MF Class D + 100W HF Class AB) |
| Sensitivity | - | 97.7dB (measured at 0.3V/1m, Erin’s Audio Corner) |
Related Speaker Comparisons
Other pairings from the same speaker class worth checking:
- Pitt & Giblin Superwax Mini vs Pitt & Giblin Superwax
- Buchardt A700 vs B&O Beolab20
- Neumann KH420 vs Focal Solo6 ST6
- KEF LS60 vs Buchardt A700
- KEF LS60 vs B&O Beolab20
Prices on this page were last checked September 8, 2026 at 6:02 PM 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
GGNTKT M3: €29,950/pair GGNTKT eBay
Pros: The manufacturer measurement shows a very tight 0.5dB response span from 300Hz to 5kHz and a 7.84 ideal-subwoofer preference score, supporting exceptionally even midrange balance. Cardioid radiation reduces rearward bass and low-midrange energy, helping with near-wall placement. A dedicated midrange, wide waveguide and DSP-controlled four-way architecture suit a large listening area without relying on a narrow on-axis sweet spot.
Cons: Measured -3dB extension of 35.5Hz is useful but does not match the deepest-reaching towers here. Cardioid operation reduces some boundary interaction rather than eliminating room modes. The broad, heavy cabinets and professional system setup demand space and planning; maximum-output claims should not be confused with equally low distortion at every frequency.
Full GGNTKT M3 review and specifications →
| Country | Germany |
|---|---|
| Dimensions | 50.6"H x 19.6"W x 7.8"D (1286 x 499 x 199 mm) (50.6 x 19.6 x 7.8 in) |
| Directivity | 140 deg horizontal x 100 deg vertical (constant directivity waveguide) |
| Distortion | 0.003% THD @ 1kHz/1W |
| Drivers | 56mm ring-diaphragm compression tweeter, 210mm (8") paper-fiber midrange, 2x 260mm (10") long-throw subwoofers |
| Enclosure | 4-way bass reflex, cardioid-loaded bass (opposed front/rear woofers) |
| Frequency Response | 29Hz-20kHz (-3dB), 24Hz-22kHz (-6dB) |
| Power Output | approx. 1000W total (PASCAL Class-D UMAC modules) |
| Warranty | 2 years, extendable to 3 with product registration |
| Weight | approx. 154.3 lbs / 70 kg each |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
KEF LS60: $5,999.99 Amazon Crutchfield eBay
Pros: Erin’s on-axis measurement combines a 1.9dB response span from 300Hz to 5kHz with a 7.22 ideal-subwoofer preference score, supporting even vocal and instrumental balance. Extended-mode bass reaches roughly 25Hz at -3dB. The coaxial Uni-Q arrangement maintains unusually consistent tonality across listening positions, while HDMI, digital and analog inputs plus network streaming make this a convenient complete music and TV system.
Cons: A diffraction dip around 9kHz can soften cymbal shimmer when aimed directly at the listener; 10-20 degrees of toe-out helps. DSP limiting reduces bass reach and dynamic output at high volume, so its deep low-level extension is not a promise of the same performance on loud peaks. App placement and tone controls are less flexible than parametric room correction. Each roughly 31kg tower is awkward to move.
Full KEF LS60 review and specifications →
| App | Yes (KEF Connect) |
|---|---|
| Bass Extension (-10dB) | <20Hz (measured, Erin's Audio Corner) |
| Bass Extension (-3dB) | 23Hz (measured, Erin's Audio Corner) |
| Bluetooth | Yes (5.0 with SBC, AAC) |
| Bluetooth Codecs | SBC, AAC |
| DSP | Yes (Music Integrity Engine) |
| Dimensions | 42.9"H x 8.3"W x 15.5"D (1089.7 x 210.8 x 393.7 mm) |
| Drivers | 4 x 135 mm (5.25 in.) Uni-Core Force Cancelling Driver: woofers, 100 mm (4in.) aluminium cone midrange, 19 mm (0.75 in.) vented aluminium dome with Metamaterial Absorption Technology tweeter |
| EQ | Yes (Normal and Expert modes, room adaptation) |
| Frequency Response | 31Hz - 24kHz (±3dB) (Manufacturer specified) |
| Inputs | Wifi, Optical, Digital coaxial, RCA, HDMI, Ethernet |
| Max SPL | 111dB @ 1m (pink noise) |
| Output Power | 700W (500W LF Class D + 100W MF Class D + 100W HF Class AB) |
| Outputs | Subwoofer RCA |
| Sensitivity | 97.7dB (measured at 0.3V/1m, Erin's Audio Corner) |
| Streaming Services | Yes (AirPlay 2, Chromecast, Roon Ready, Spotify Connect, Tidal Connect, Amazon Music, Qobuz, Deezer) |
| Weight | 69 lbs / 31.3 kg each |
| Wifi | Yes (dual-band) |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons