TrueScaleCompare speakers at true scale.
TrueSpecsCompare technical specifications (up to 4 speakers).HiFi LadderBrowse every speaker side by side, ordered by size or by price.HiFi SearchFind speakers by the specs you want.TrueScaleAudio
Compare speakers at true scale
Pick two speakers and see them side by side at their real-world size.
References
Front view — overlaid at true scale
AELAC Concentro S 509.2BCanton Reference 2
ELAC Concentro S 509.2vsCanton Reference 2
The ELAC Concentro S 509.2 stands 132.0 cm tall — about 16.0 cm more than the Canton Reference 2 at 116.0 cm. On footprint the Canton Reference 2 is the wider cabinet (35.4 cm versus 29.7 cm). The Canton Reference 2 reaches deeper in the bass, down to 19 Hz versus 22 Hz. Low frequencies come from a 180 mm cone on the ELAC Concentro S 509.2 and a 219 mm cone on the Canton Reference 2. Both land in a similar price bracket, around $20,999 a pair.
| A | B | |
|---|---|---|
| Manufacturer | ELAC | Canton |
| Model | Concentro S 509.2 2.0 | Reference 2 |
| HiFi ladder position | #239 of 281 floorstander | #178 of 281 floorstander |
| Height | 1320 mm | 1160 mm |
| Width | 297 mm | 354 mm |
| Depth | 460 mm | 530 mm |
| Weight | 42.8 kg | 62 kg |
| Enclosure | bass-reflex-rear | bass-reflex-down |
| Drivers | 1× tweeter (JET 5c pleated-folded ribbon), 1× 130 mm midrange (aluminium cone), 1× 180 mm midrange (aluminium AS-XR cone), 4× 180 mm woofer (aluminium AS cone) | 1× 25 mm tweeter (aluminium-oxide ceramic dome), 1× 174 mm midrange (Black Ceramic Tungsten cone), 2× 219 mm woofer (Black Ceramic Tungsten cone) |
| Frequency — low | 22 Hz | 19 Hz |
| Frequency — high | 50000 Hz | 40000 Hz |
| Sensitivity | 88 dB | 88 dB |
| Impedance | 4 Ω | 4 Ω |
| Recommended amp | 60–600 W | — |
| MAP (USD) | $21,998 / pair | $20,000 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | elac.com ↗ | canton.de ↗ |
| Product page | Open product page ↗ | Open product page ↗ |
Larger value highlighted in green. For low-frequency extension, lower Hz = greater bass reach, so the deeper side is highlighted.

