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ACambridge Audio SX-50BPolk Signature Elite ES15
Click either cabinet to swap A ↔ B · Reference height: 12.0 in · 1 in = 46.64 px
| A | B | |
|---|---|---|
| Manufacturer | Cambridge Audio | Polk |
| Model | Cambridge Audio SX-50 | Polk Signature Elite ES15 |
| Height | 8.9 in | 12 in |
| Width | 6.3 in | 7.5 in |
| Depth | 9.4 in | 10.2 in |
| Weight | 6.6 lb | 13 lb |
| Enclosure | bass-reflex-rear | bass-reflex-rear |
| Drivers | 1× 1 in tweeter (silk dome), 1× 5.3 in mid-bass (treated paper cone) | 1× 1 in tweeter (Terylene Dome), 1× 5.2 in mid-bass (Dynamic Balance mica-reinforced polypropylene cone) |
| Frequency — low | 50 Hz | 44 Hz |
| Frequency — high | 22000 Hz | 40000 Hz |
| Sensitivity | 87 dB | 85 dB |
| Impedance | 8 Ω | 8 Ω |
| Recommended amp | 10–100 W | 20–100 W |
| MAP (USD) | $229 / pair | $300 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | cambridgeaudio.com ↗ | polkaudio.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.