Front view — side by side at true scale
ACanton Reference 2BELAC Concentro S 509.2
| A | B | |
|---|---|---|
| Manufacturer | Canton | ELAC |
| Model | Reference 2 | Concentro S 509.2 2.0 |
| HiFi ladder position | #178 of 281 floorstander | #239 of 281 floorstander |
| Height | 1160 mm | 1320 mm |
| Width | 354 mm | 297 mm |
| Depth | 530 mm | 460 mm |
| Weight | 62 kg | 42.8 kg |
| Enclosure | bass-reflex-down | bass-reflex-rear |
| Drivers | 1× 25 mm tweeter (aluminium-oxide ceramic dome), 1× 174 mm midrange (Black Ceramic Tungsten cone), 2× 219 mm woofer (Black Ceramic Tungsten cone) | 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) |
| Frequency — low | 19 Hz | 22 Hz |
| Frequency — high | 40000 Hz | 50000 Hz |
| Sensitivity | 88 dB | 88 dB |
| Impedance | 4 Ω | 4 Ω |
| Recommended amp | — | 60–600 W |
| MAP (USD) | $20,000 / pair | $21,998 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | canton.de ↗ | elac.com ↗ |
| 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.

