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Compare speakers at true scale
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References
Front view — overlaid at true scale
AMartinLogan Motion XT B100BLeak Sandwich 150
MartinLogan Motion XT B100vsLeak Sandwich 150
The Leak Sandwich 150 stands 41.5 cm tall — about 4.7 cm more than the MartinLogan Motion XT B100 at 36.8 cm. On footprint the Leak Sandwich 150 is the wider cabinet (25.0 cm versus 20.3 cm). At 93 dB against 86.5 dB, the MartinLogan Motion XT B100 is the easier load to drive and plays louder from the same amplifier. Both land in a similar price bracket, around $1,597 a pair.
| A | B | |
|---|---|---|
| Manufacturer | MartinLogan | Leak |
| Model | MartinLogan Motion XT B100 | Leak Sandwich 150 |
| Height | 368 mm | 415 mm |
| Width | 203 mm | 250 mm |
| Depth | 318 mm | 290 mm |
| Weight | 9.3 kg | 12.3 kg |
| Enclosure | bass-reflex-rear | bass-reflex-rear |
| Drivers | 1× tweeter (Folded Motion XT (AMT)), 1× 165 mm mid-bass (Nomex-reinforced Kevlar cone) | 1× 30 mm tweeter (coated textile dome), 1× 170 mm mid-bass (aluminium-foamcore sandwich cone) |
| Frequency — low | 45 Hz | 44 Hz |
| Frequency — high | 25000 Hz | 26000 Hz |
| Sensitivity | 93 dB | 86.5 dB |
| Impedance | 4 Ω | 6 Ω |
| Recommended amp | 20–250 W | 25–150 W |
| MAP (USD) | $1,598 / pair | $1,595 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | martinlogan.com ↗ | leakaudio.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.

