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Compare technical specifications (up to 4 speakers).
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References
Front view — side by side at true scale
AATC SCM50SLBHarbeth Monitor 40.5 XD2
Click either cabinet to swap A ↔ B · Reference height: 29.5 in · 1 in = 18.97 px
| A | B | |
|---|---|---|
| Manufacturer | ATC | Harbeth |
| Model | ATC SCM50SL | Harbeth Monitor 40.5 XD2 |
| Height | 28.2 in | 29.5 in |
| Width | 12 in | 17 in |
| Depth | 16.7 in | 15.3 in |
| Weight | 90.6 lb | 75 lb |
| Enclosure | sealed | bass-reflex-front |
| Drivers | 1× 1 in tweeter (soft dome), 1× 3 in midrange (soft dome), 1× 9.2 in woofer (cone) | 1× 1 in tweeter (ferrofluid-cooled dome), 1× 7.9 in midrange (RADIAL polymer cone), 1× 11.8 in woofer (cone) |
| Frequency — low | 40 Hz | 35 Hz |
| Frequency — high | 25000 Hz | 20000 Hz |
| Sensitivity | 85 dB | 86 dB |
| Impedance | 8 Ω | 6 Ω |
| Recommended amp | 100–1500 W | — |
| MAP (USD) | $25,999 / pair | $21,990 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | atc.audio ↗ | 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.