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Compare speakers at true scale
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References
Front view — side by side at true scale
AMonitor Audio Studio 89BSonus Faber Sonetto I G2
Monitor Audio Studio 89vsSonus Faber Sonetto I G2
The Sonus Faber Sonetto I G2 stands 37.7 cm tall — about 3.7 cm more than the Monitor Audio Studio 89 at 34.0 cm. On footprint the Sonus Faber Sonetto I G2 is the wider cabinet (20.3 cm versus 15.7 cm). The Monitor Audio Studio 89 reaches deeper in the bass, down to 48 Hz versus 52 Hz. Low frequencies come from a 108 mm cone on the Monitor Audio Studio 89 and a 127 mm cone on the Sonus Faber Sonetto I G2. Both land in a similar price bracket, around $2,500 a pair.
| A | B | |
|---|---|---|
| Manufacturer | Monitor Audio | Sonus Faber |
| Model | Studio 89 | Sonetto I G2 G2 |
| HiFi ladder position | #85 of 215 bookshelf | #127 of 215 bookshelf |
| Height | 340 mm | 377 mm |
| Width | 157 mm | 203 mm |
| Depth | 361 mm | 304 mm |
| Weight | 7.6 kg | 8.4 kg |
| Enclosure | bass-reflex-rear | bass-reflex-front |
| Drivers | 1× tweeter (MPD III (Air Motion Transformer)), 2× 108 mm mid-bass (RDT III C-CAM) | 1× 28 mm tweeter (DAD Arrow Point soft dome), 1× 127 mm mid-bass (paper cone) |
| Frequency — low | 48 Hz | 52 Hz |
| Frequency — high | 60000 Hz | 40000 Hz |
| Sensitivity | 86 dB | 86 dB |
| Impedance | 6 Ω | 4 Ω |
| Recommended amp | 50–300 W | 30–150 W |
| MAP (USD) | $2,500 / pair | $2,500 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | monitoraudio.com ↗ | sonusfaber.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.

