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.
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
ABowers & Wilkins 706 S3BATC SCM11
| A | B | |
|---|---|---|
| Manufacturer | Bowers & Wilkins | ATC |
| Model | Bowers & Wilkins 706 S3 S3 | ATC SCM11 |
| Height | 13.6 in | 15 in |
| Width | 7.5 in | 8.8 in |
| Depth | 13.1 in | 9.3 in |
| Weight | 18.6 lb | 24 lb |
| Enclosure | bass-reflex-rear | sealed |
| Drivers | 1× 1 in tweeter (Carbon Dome), 1× 6.5 in mid-bass (Continuum cone) | 1× 1 in tweeter (soft dome), 1× 5.9 in mid-bass (cone) |
| Frequency — low | 50 Hz | 56 Hz |
| Frequency — high | 28000 Hz | 22000 Hz |
| Sensitivity | 88 dB | 85 dB |
| Impedance | 8 Ω | 8 Ω |
| Recommended amp | 30–120 W | 75–300 W |
| MAP (USD) | $2,500 / pair | $2,699 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | bowerswilkins.com ↗ | atc.audio ↗ |
| 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.

