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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: 825 mm (82.5 cm) · 1 mm = 0.68 px
| A | B | |
|---|---|---|
| Manufacturer | Q Acoustics | Q Acoustics |
| Model | Q Acoustics Q Active 400 | Q Acoustics M40 HD |
| Height | 825 mm | 710 mm |
| Width | 288 mm | 239 mm |
| Depth | 290 mm | 296 mm |
| Weight | 17.5 kg | 12.4 kg |
| Enclosure | bass-reflex-rear | bass-reflex-rear |
| Drivers | 2× 58 mm midrange (BMR (Balanced Mode Radiator)), 2× 114 mm woofer (high-excursion cone) | 1× 22 mm tweeter (soft dome), 2× 125 mm 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.