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AMission 770BLeak Sandwich 250
Mission 770vsLeak Sandwich 250
The Leak Sandwich 250 stands 65.5 cm tall — about 6.5 cm more than the Mission 770 at 59.0 cm. On footprint the Leak Sandwich 250 is the wider cabinet (37.0 cm versus 30.0 cm). Low frequencies come from a 200 mm cone on the Mission 770 and a 280 mm cone on the Leak Sandwich 250. On price, the Mission 770 sits higher — about $3,840 a pair against $2,995 for the Leak Sandwich 250.
| A | B | |
|---|---|---|
| Manufacturer | Mission | Leak |
| Model | Mission 770 | Leak Sandwich 250 |
| Height | 590 mm | 655 mm |
| Width | 300 mm | 370 mm |
| Depth | 322 mm | 300 mm |
| Weight | 19.2 kg | 27.3 kg |
| Enclosure | bass-reflex-front | bass-reflex-rear |
| Drivers | 1× 200 mm mid-bass (mineral-loaded polypropylene), 1× 28 mm tweeter (woven textile soft dome) | 1× 30 mm tweeter (coated textile dome), 1× 108 mm midrange (aluminium-foamcore sandwich cone), 1× 280 mm woofer (aluminium-foamcore sandwich cone) |
| Frequency — low | 42 Hz | 42 Hz |
| Frequency — high | 20000 Hz | 26000 Hz |
| Sensitivity | 88 dB | 88.5 dB |
| Impedance | 8 Ω | 6 Ω |
| Recommended amp | 25–200 W | 25–250 W |
| MAP (USD) | $3,840 / pair | $2,995 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | mission.co.uk ↗ | 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.

