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References
Front view — side by side at true scale
AATC SCM20PSLTBBowers & Wilkins 704 S3
| A | B | |
|---|---|---|
| Manufacturer | ATC | Bowers & Wilkins |
| Model | ATC SCM20PSLT | Bowers & Wilkins 704 S3 S3 |
| Height | 990 mm | 964 mm |
| Width | 239 mm | 251 mm |
| Depth | 344 mm | 321 mm |
| Weight | 23 kg | 20.53 kg |
| Enclosure | sealed | bass-reflex-rear |
| Drivers | 1× 25 mm tweeter (soft dome), 1× 150 mm mid-bass (cone) | 1× 25 mm tweeter (Carbon Dome), 1× 130 mm midrange (Continuum cone FST), 2× 130 mm woofer (Aerofoil bass cone) |
| Frequency — low | 55 Hz | 48 Hz |
| Frequency — high | 25000 Hz | 28000 Hz |
| Sensitivity | 85 dB | 88 dB |
| Impedance | 8 Ω | 8 Ω |
| Recommended amp | 75–300 W | 30–150 W |
| MAP (USD) | — | $4,500 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | atc.audio ↗ | bowerswilkins.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.

