TrueSpecs
Compare technical specifications (up to 4 speakers).
HiFi Ladder
Browse every speaker side by side, ordered by size or by price.
HiFi Search
Find speakers by the specs you want.
Compare speakers at true scale
Pick two speakers and see them side by side at their real-world size.
References
Front view — side by side at true scale
AQ Acoustics M40 HDBQ Acoustics Q Active 400
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 M40 HD | Q Acoustics Q Active 400 |
| Height | 710 mm | 825 mm |
| Width | 239 mm | 288 mm |
| Depth | 296 mm | 290 mm |
| Weight | 12.4 kg | 17.5 kg |
| Enclosure | bass-reflex-rear | bass-reflex-rear |
| Drivers | 1× 22 mm tweeter (soft dome), 2× 125 mm mid-bass (coated paper cone) | 2× 58 mm midrange (BMR (Balanced Mode Radiator)), 2× 114 mm woofer (high-excursion cone) |
| Frequency — low | 38 Hz | 35 Hz |
| Frequency — high | 22000 Hz | 20000 Hz |
| Sensitivity | — | — |
| Impedance | — | — |
| Recommended amp | — | — |
| MAP (USD) | $1,699 / pair | — |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | qacoustics.com ↗ | qacoustics.co.uk ↗ |
| 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.