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References
Front view — side by side at true scale
AQ Acoustics Q Active 400BQ Acoustics M40 HD
Click either cabinet to swap A ↔ B · Reference height: 32.5 in · 1 in = 17.24 px
| A | B | |
|---|---|---|
| Manufacturer | Q Acoustics | Q Acoustics |
| Model | Q Acoustics Q Active 400 | Q Acoustics M40 HD |
| Height | 32.5 in | 28 in |
| Width | 11.3 in | 9.4 in |
| Depth | 11.4 in | 11.7 in |
| Weight | 38.6 lb | 27.3 lb |
| Enclosure | bass-reflex-rear | bass-reflex-rear |
| Drivers | 2× 2.3 in midrange (BMR (Balanced Mode Radiator)), 2× 4.5 in woofer (high-excursion cone) | 1× 0.9 in tweeter (soft dome), 2× 4.9 in mid-bass (coated paper cone) |
| Frequency — low | 35 Hz | 38 Hz |
| Frequency — high | 20000 Hz | 22000 Hz |
| Sensitivity | — | — |
| Impedance | — | — |
| Recommended amp | — | — |
| MAP (USD) | — | $1,699 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | qacoustics.co.uk ↗ | 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.