Front view — side by side at true scale
AELAC Concentro S 503.2BQ Acoustics Concept 300
Click either cabinet to swap A ↔ B · Reference height: 400 mm (40.0 cm) · 1 mm = 1.40 px
| A | B | |
|---|---|---|
| Manufacturer | ELAC | Q Acoustics |
| Model | ELAC Concentro S 503.2 2.0 | Q Acoustics Concept 300 |
| Height | 400 mm | 355 mm |
| Width | 219 mm | 200 mm |
| Depth | 372 mm | 400 mm |
| Weight | 13.4 kg | 14.5 kg |
| Enclosure | bass-reflex-rear | bass-reflex-rear |
| Drivers | 1× tweeter (JET 6 pleated-folded ribbon), 1× 130 mm midrange (aluminium AS-XR cone), 1× 180 mm woofer (aluminium AS-XR cone) | 1× 28 mm tweeter (soft dome), 1× 165 mm mid-bass (coated paper cone) |
| Frequency — low | 40 Hz | 55 Hz |
| Frequency — high | 40000 Hz | 30000 Hz |
| Sensitivity | 87 dB | 84 dB |
| Impedance | 4 Ω | 6 Ω |
| Recommended amp | 60–500 W | 25–200 W |
| MAP (USD) | $7,398 / pair | $6,399 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | elac.com ↗ | qacoustics.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.