Front view — side by side at true scale
AJBL Summit AmaBHarbeth Monitor 40.5 XD2
| A | B | |
|---|---|---|
| Manufacturer | JBL | Harbeth |
| Model | JBL Summit Ama | Harbeth Monitor 40.5 XD2 |
| Height | 470 mm | 750 mm |
| Width | 292 mm | 432 mm |
| Depth | 336 mm | 388 mm |
| Weight | 25.3 kg | 34 kg |
| Enclosure | bass-reflex-rear | bass-reflex-front |
| Drivers | 1× 38 mm tweeter (Annular Ring Teonex compression driver), 1× 200 mm mid-bass (Hybrid Carbon Cellulose Composite cone (HC4)) | 1× 25 mm tweeter (ferrofluid-cooled dome), 1× 200 mm midrange (RADIAL polymer cone), 1× 300 mm woofer (cone) |
| Frequency — low | 34 Hz | 35 Hz |
| Frequency — high | 25000 Hz | 20000 Hz |
| Sensitivity | 84 dB | 86 dB |
| Impedance | 4 Ω | 6 Ω |
| Recommended amp | 25–200 W | — |
| MAP (USD) | $19,995 / pair | $21,990 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | jbl.com ↗ | harbeth.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.

