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References
Front view — side by side at true scale
APolk Signature Elite ES50BCambridge Audio SX-80
Click either cabinet to swap A ↔ B · Reference height: 38.6 in · 1 in = 14.51 px
| A | B | |
|---|---|---|
| Manufacturer | Polk | Cambridge Audio |
| Model | Polk Signature Elite ES50 | Cambridge Audio SX-80 |
| Height | 37.4 in | 38.6 in |
| Width | 10.3 in | 9.2 in |
| Depth | 10.9 in | 13.3 in |
| Weight | 32 lb | 37.3 lb |
| Enclosure | bass-reflex-down | bass-reflex-front |
| Drivers | 1× 1 in tweeter (Terylene Dome), 2× 5.2 in mid-bass (Dynamic Balance mica-reinforced polypropylene cone) | 1× 1 in tweeter (silk dome), 2× 6.5 in mid-bass (treated paper cone) |
| Frequency — low | 38 Hz | 40 Hz |
| Frequency — high | 40000 Hz | 20000 Hz |
| Sensitivity | 88 dB | 87 dB |
| Impedance | 8 Ω | 8 Ω |
| Recommended amp | 40–200 W | — |
| MAP (USD) | $700 / pair | $799 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | polkaudio.com ↗ | cambridgeaudio.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.