TrueSpecs
Compare technical specifications (up to 4 speakers).
HiFi Ladder
Browse every speaker side by side, ordered by size or by price.
HiFi Search
Find speakers by the specs you want.
TrueScaleAudio
Compare speakers at true scale
Pick two speakers and see them side by side at their real-world size.
References
Front view — side by side at true scale
AHarbeth NLE-1BSonus Faber Duetto
| A | B | |
|---|---|---|
| Manufacturer | Harbeth | Sonus Faber |
| Model | Harbeth NLE-1 | Sonus Faber Duetto |
| Height | 275 mm | 342 mm |
| Width | 166 mm | 197 mm |
| Depth | 230 mm | 272 mm |
| Weight | 7.6 kg | 7.5 kg |
| Enclosure | sealed | bass-reflex-front |
| Drivers | 1× 110 mm mid-bass (RADIAL polymer cone), 1× 19 mm tweeter (ferrofluid-cooled dome) | 1× 28 mm tweeter (silk soft dome), 1× 134 mm mid-bass (paper cone) |
| Frequency — low | 75 Hz | 37 Hz |
| Frequency — high | 20000 Hz | 30000 Hz |
| Sensitivity | — | — |
| Impedance | — | — |
| Recommended amp | — | — |
| MAP (USD) | $3,790 / pair | $3,999 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | harbeth.co.uk ↗ | 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.

