TrueScaleAudio
Compare speakers at true scale
Pick two speakers and see them side by side at their real-world size.
Front view — side by side at true scale
Click either cabinet to swap A ↔ B · Reference height: 318 mm (31.8 cm) · 1 mm = 1.76 px
MartinLogan Motion B10vsQ Acoustics 5020
The MartinLogan Motion B10 stands 31.8 cm tall — about 3.4 cm more than the Q Acoustics 5020 at 28.4 cm. At 92 dB against 87.9 dB, the MartinLogan Motion B10 is the easier load to drive and plays louder from the same amplifier. The Q Acoustics 5020 reaches deeper in the bass, down to 53 Hz versus 56 Hz. Low frequencies come from a 140 mm cone on the MartinLogan Motion B10 and a 125 mm cone on the Q Acoustics 5020. Both land in a similar price bracket, around $1,200 a pair.
| A | B | |
|---|---|---|
| Manufacturer | MartinLogan | Q Acoustics |
| Model | MartinLogan Motion B10 | Q Acoustics 5020 |
| Height | 318 mm | 284 mm |
| Width | 178 mm | 180 mm |
| Depth | 248 mm | 293 mm |
| Weight | 6.6 kg | 7 kg |
| Enclosure | bass-reflex-rear | bass-reflex-rear |
| Drivers | 1× tweeter (Folded Motion (AMT)), 1× 140 mm mid-bass (woven-fibreglass cone) | 1× 25 mm tweeter (soft dome), 1× 125 mm mid-bass (C³ continuous curved cone) |
| Frequency — low | 56 Hz | 53 Hz |
| Frequency — high | 25000 Hz | 30000 Hz |
| Sensitivity | 92 dB | 87.9 dB |
| Impedance | 5 Ω | 6 Ω |
| Recommended amp | 20–200 W | 25–100 W |
| MAP (USD) | $1,200 / pair | $1,199 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | martinlogan.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.