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Compare speakers at true scale
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References
Front view — side by side at true scale
APolk Legend L100BMartinLogan Motion B10
Click either cabinet to swap A ↔ B · Reference height: 347 mm (34.7 cm) · 1 mm = 1.61 px
Polk Legend L100vsMartinLogan Motion B10
The Polk Legend L100 stands 34.7 cm tall — about 2.9 cm more than the MartinLogan Motion B10 at 31.8 cm. At 92 dB against 85.5 dB, the MartinLogan Motion B10 is the easier load to drive and plays louder from the same amplifier. The Polk Legend L100 reaches deeper in the bass, down to 43 Hz versus 56 Hz. Both land in a similar price bracket, around $1,200 a pair.
| A | B | |
|---|---|---|
| Manufacturer | Polk | MartinLogan |
| Model | Polk Legend L100 | MartinLogan Motion B10 |
| Height | 347 mm | 318 mm |
| Width | 186 mm | 178 mm |
| Depth | 287 mm | 248 mm |
| Weight | 7.67 kg | 6.6 kg |
| Enclosure | bass-reflex-rear | bass-reflex-rear |
| Drivers | 1× 25 mm tweeter (Pinnacle ring radiator), 1× 133 mm mid-bass (Turbine cone) | 1× tweeter (Folded Motion (AMT)), 1× 140 mm mid-bass (woven-fibreglass cone) |
| Frequency — low | 43 Hz | 56 Hz |
| Frequency — high | 50000 Hz | 25000 Hz |
| Sensitivity | 85.5 dB | 92 dB |
| Impedance | 4 Ω | 5 Ω |
| Recommended amp | 70 W | 20–200 W |
| MAP (USD) | $1,200 / pair | $1,200 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | polkaudio.com ↗ | martinlogan.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.