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Compare speakers at true scale
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References
Front view — side by side at true scale
AMartinLogan Motion XT B100BMission 700
MartinLogan Motion XT B100vsMission 700
The Mission 700 stands 51.0 cm tall — about 14.2 cm more than the MartinLogan Motion XT B100 at 36.8 cm. On footprint the Mission 700 is the wider cabinet (26.0 cm versus 20.3 cm). At 93 dB against 86 dB, the MartinLogan Motion XT B100 is the easier load to drive and plays louder from the same amplifier. The MartinLogan Motion XT B100 is rear-ported and the Mission 700 is front-ported. Both land in a similar price bracket, around $1,629 a pair.
| A | B | |
|---|---|---|
| Manufacturer | MartinLogan | Mission |
| Model | MartinLogan Motion XT B100 | Mission 700 |
| Height | 368 mm | 510 mm |
| Width | 203 mm | 260 mm |
| Depth | 318 mm | 292 mm |
| Weight | 9.3 kg | 12.8 kg |
| Enclosure | bass-reflex-rear | bass-reflex-front |
| Drivers | 1× tweeter (Folded Motion XT (AMT)), 1× 165 mm mid-bass (Nomex-reinforced Kevlar cone) | 1× 165 mm mid-bass (mineral-loaded polypropylene), 1× 28 mm tweeter (soft dome) |
| Frequency — low | 45 Hz | 45 Hz |
| Frequency — high | 25000 Hz | 20000 Hz |
| Sensitivity | 93 dB | 86 dB |
| Impedance | 4 Ω | 8 Ω |
| Recommended amp | 20–250 W | 25–150 W |
| MAP (USD) | $1,598 / pair | $1,660 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | martinlogan.com ↗ | mission.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.

