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Bowers & Wilkins 805 D4vsPolk Reserve R200
The Bowers & Wilkins 805 D4 stands 44.0 cm tall — about 8.1 cm more than the Polk Reserve R200 at 35.9 cm. On footprint the Bowers & Wilkins 805 D4 is the wider cabinet (22.8 cm versus 19.4 cm). At 88 dB against 86 dB, the Bowers & Wilkins 805 D4 is the easier load to drive and plays louder from the same amplifier. The Bowers & Wilkins 805 D4 reaches deeper in the bass, down to 42 Hz versus 51 Hz. The Bowers & Wilkins 805 D4 is front-ported and the Polk Reserve R200 is rear-ported. On price, the Bowers & Wilkins 805 D4 sits higher — about $8,000 a pair against $749 for the Polk Reserve R200.
| A | B | |
|---|---|---|
| Manufacturer | Bowers & Wilkins | Polk |
| Model | 805 D4 | Reserve R200 |
| HiFi ladder position | #201 of 255 bookshelf | #124 of 255 bookshelf |
| Height | 440 mm | 359 mm |
| Width | 228 mm | 194 mm |
| Depth | 373 mm | 354 mm |
| Weight | 15.55 kg | 8.7 kg |
| Enclosure | bass-reflex-front | bass-reflex-rear |
| Drivers | 1× 25 mm tweeter (diamond dome), 1× 165 mm mid-bass (Continuum cone) | 1× 25 mm tweeter (Pinnacle ring radiator), 1× 165 mm mid-bass (Turbine cone) |
| Crossover frequency | — | 3000 Hz |
| Frequency — low | 42 Hz | 51 Hz |
| Frequency — high | 28000 Hz | 38000 Hz |
| Sensitivity | 88 dB | 86 dB |
| Impedance | 8 Ω | 4 Ω |
| Recommended amp | 50–120 W | 30–200 W |
| MAP (USD) | $8,000 / pair | $749 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | bowerswilkins.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.

