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 | 345 mm | 380 mm |
| Width | 190 mm | 224 mm |
| Depth | 334 mm | 235 mm |
| Weight | 8.42 kg | 10.9 kg |
| Enclosure | bass-reflex-rear | sealed |
| Drivers | 1× 25 mm tweeter (Carbon Dome), 1× 165 mm mid-bass (Continuum cone) | 1× 25 mm tweeter (soft dome), 1× 150 mm 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.

