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References
Front view — side by side at true scale
ARevel M145BQ Acoustics Concept 30
Revel M145vsQ Acoustics Concept 30
The Revel M145 stands 29.4 cm tall — about 1.0 cm more than the Q Acoustics Concept 30 at 28.4 cm. On footprint the Revel M145 is the wider cabinet (20.0 cm versus 18.0 cm). At 87 dB against 85 dB, the Q Acoustics Concept 30 is the easier load to drive and plays louder from the same amplifier. Both land in a similar price bracket, around $1,899 a pair.
| A | B | |
|---|---|---|
| Manufacturer | Revel | Q Acoustics |
| Model | Revel M145 | Q Acoustics Concept 30 |
| Height | 294 mm | 284 mm |
| Width | 200 mm | 180 mm |
| Depth | 245 mm | 319 mm |
| Weight | 6.8 kg | 7.9 kg |
| Enclosure | bass-reflex-rear | bass-reflex-rear |
| Drivers | 1× 130 mm mid-bass (Micro Ceramic Composite (MCC) cone), 1× 25 mm tweeter (ceramic composite (DCC) dome) | 1× 25 mm tweeter (soft dome), 1× 125 mm mid-bass (coated paper cone) |
| Frequency — low | 54 Hz | 54 Hz |
| Frequency — high | 40000 Hz | 30000 Hz |
| Sensitivity | 85 dB | 87 dB |
| Impedance | 6 Ω | 6 Ω |
| Recommended amp | 15–150 W | 25–100 W |
| MAP (USD) | $1,999 / pair | $1,799 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | revelspeakers.com ↗ | 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.

