Front view — side by side at true scale
AFocal Diablo Utopia Colour EvoBATC SCM50SL
| A | B | |
|---|---|---|
| Manufacturer | Focal | ATC |
| Model | Focal Diablo Utopia Colour Evo Colour Evo | ATC SCM50SL |
| Height | 431 mm | 717 mm |
| Width | 229 mm | 304 mm |
| Depth | 427 mm | 425 mm |
| Weight | 39 kg | 41.1 kg |
| Enclosure | bass-reflex-front | bass-reflex-front |
| Drivers | 1× 27 mm tweeter (pure beryllium inverted dome), 1× 165 mm mid-bass (W sandwich cone) | 1× 25 mm tweeter (soft dome), 1× 75 mm midrange (soft dome), 1× 234 mm woofer (cone) |
| Frequency — low | 44 Hz | 40 Hz |
| Frequency — high | 40000 Hz | 25000 Hz |
| Sensitivity | 89 dB | 85 dB |
| Impedance | 8 Ω | 8 Ω |
| Recommended amp | 25–200 W | 100–1500 W |
| MAP (USD) | $20,998 / pair | $25,999 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | focal.com ↗ | atc.audio ↗ |
| 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.

