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References
Front view — side by side at true scale
AQ Acoustics Q Active 400BBang & Olufsen Beolab 18
| A | B | |
|---|---|---|
| Manufacturer | Q Acoustics | Bang & Olufsen |
| Model | Q Acoustics Q Active 400 | Bang & Olufsen Beolab 18 |
| Height | 825 mm | 1324 mm |
| Width | 288 mm | 200 mm |
| Depth | 290 mm | 200 mm |
| Weight | 17.5 kg | 9.2 kg |
| Enclosure | bass-reflex-rear | sealed |
| Drivers | 2× 58 mm midrange (BMR (Balanced Mode Radiator)), 2× 114 mm woofer (high-excursion cone) | 1× 19 mm tweeter (soft-dome), 2× 102 mm woofer (long-stroke paper cone) |
| Frequency — low | 35 Hz | 39 Hz |
| Frequency — high | 20000 Hz | 23500 Hz |
| Sensitivity | — | — |
| Impedance | — | — |
| Recommended amp | — | — |
| MAP (USD) | — | — |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | qacoustics.co.uk ↗ | bang-olufsen.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.

