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Front view — side by side at true scale
AATC SCM7BQ Acoustics Concept 30
| A | B | |
|---|---|---|
| Manufacturer | ATC | Q Acoustics |
| Model | ATC SCM7 Mk3 | Q Acoustics Concept 30 |
| Height | 300 mm | 284 mm |
| Width | 165 mm | 180 mm |
| Depth | 215 mm | 319 mm |
| Weight | 7.5 kg | 7.9 kg |
| Enclosure | sealed | bass-reflex-rear |
| Drivers | 1× 25 mm tweeter (soft dome), 1× 125 mm mid-bass (cone) | 1× 25 mm tweeter (soft dome), 1× 125 mm mid-bass (coated paper cone) |
| Frequency — low | 60 Hz | 54 Hz |
| Frequency — high | 22000 Hz | 30000 Hz |
| Sensitivity | 84 dB | 87 dB |
| Impedance | 8 Ω | 6 Ω |
| Recommended amp | 75–300 W | 25–100 W |
| MAP (USD) | $1,749 / pair | $1,799 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | atc.audio ↗ | qacoustics.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.

