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MartinLogan ElectroMotion ESL XvsPolk Legend L600
The MartinLogan ElectroMotion ESL X stands 150.3 cm tall — about 31.7 cm more than the Polk Legend L600 at 118.6 cm. On footprint the Polk Legend L600 is the wider cabinet (33.4 cm versus 23.9 cm). At 91 dB against 86 dB, the MartinLogan ElectroMotion ESL X is the easier load to drive and plays louder from the same amplifier. The Polk Legend L600 reaches deeper in the bass, down to 34 Hz versus 41 Hz. Low frequencies come from a 203 mm cone on the MartinLogan ElectroMotion ESL X and a 178 mm cone on the Polk Legend L600. Both land in a similar price bracket, around $3,999 a pair.
| A | B | |
|---|---|---|
| Manufacturer | MartinLogan | Polk |
| Model | MartinLogan ElectroMotion ESL X | Polk Legend L600 |
| Height | 1503 mm | 1186 mm |
| Width | 239 mm | 334 mm |
| Depth | 526 mm | 404 mm |
| Weight | 23.6 kg | 35.29 kg |
| Enclosure | bass-reflex-rear | bass-reflex-down |
| Drivers | 1× midrange (electrostatic (XStat CLS)), 2× 203 mm woofer (paper cone) | 1× 25 mm tweeter (Pinnacle ring radiator), 1× 133 mm midrange (Turbine cone), 2× 178 mm woofer (polypropylene cone) |
| Frequency — low | 41 Hz | 34 Hz |
| Frequency — high | 22000 Hz | 38000 Hz |
| Sensitivity | 91 dB | 86 dB |
| Impedance | 6 Ω | 4 Ω |
| Recommended amp | 20–400 W | 100 W |
| MAP (USD) | $4,000 / pair | $3,998 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | martinlogan.com ↗ | polkaudio.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.

