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References
Front view — side by side at true scale
APolk Reserve R500BQ Acoustics 3050c
Click either cabinet to swap A ↔ B · Reference height: 1045 mm (104.5 cm) · 1 mm = 0.54 px
| A | B | |
|---|---|---|
| Manufacturer | Polk | Q Acoustics |
| Model | Polk Reserve R500 | Q Acoustics 3050c |
| Height | 1045 mm | 1021 mm |
| Width | 253 mm | 290 mm |
| Depth | 349 mm | 316 mm |
| Weight | 17.7 kg | 17.8 kg |
| Enclosure | bass-reflex-rear | bass-reflex-rear |
| Drivers | 1× 25 mm tweeter (Pinnacle ring radiator), 2× 133 mm woofer (Turbine cone) | 1× 22 mm tweeter (soft dome), 2× 142 mm mid-bass (C³ continuous curved cone) |
| Frequency — low | 49 Hz | 42 Hz |
| Frequency — high | 36000 Hz | 30000 Hz |
| Sensitivity | 87 dB | 90 dB |
| Impedance | 4 Ω | 6 Ω |
| Recommended amp | 25–200 W | 25–150 W |
| MAP (USD) | $1,398 / pair | $1,349 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | polkaudio.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.